Engineers Quiz Questions And Answers
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Are you an engineer? Or are you studying engineering? We have some Engineers quiz questions and answers for you to test your knowledge. Engineering is the use of scientific principles that are used to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and many other things. So, here are some questions that you need to answer to pass the test. The quiz will also increase your knowledge.
Questions and Answers
- 1.
What is a computer virus that makes copies of itself, resulting in the consumption of system resources that slows down or actually halts tasks?
- A.
Logic bomb
- B.
Time bomb
- C.
Trojan horse
- D.
Worm
Correct Answer
D. WormExplanation
A computer virus that makes copies of itself and consumes system resources, slowing down or halting tasks is called a worm. Unlike other types of malware, worms do not need to attach themselves to a host program or file to spread. They can independently replicate and spread across networks, causing significant damage to computer systems by overloading them with copies of themselves.Rate this question:
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- 2.
What virus is triggered by the appearance or disappearance of specified data?
- A.
Logic bomb
- B.
Time bomb
- C.
Trojan horse
- D.
Worm
Correct Answer
A. Logic bombExplanation
A logic bomb is a type of malicious code that is triggered by the appearance or disappearance of specified data. Once triggered, it can execute a harmful action, such as deleting files or causing system crashes. Unlike a time bomb, which is triggered by a specific date or time, a logic bomb is triggered by specific data conditions. A Trojan horse is a type of malware that disguises itself as a legitimate program, while a worm is a self-replicating malware that spreads across networks. Therefore, the correct answer for the given question is logic bomb.Rate this question:
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- 3.
Cast irons are materials use in most engines combustion chambers.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Cast irons are commonly used materials in most engine combustion chambers due to their high strength, durability, and heat resistance properties. They can withstand the high temperatures and pressures generated during the combustion process without deforming or cracking. Additionally, cast irons have good thermal conductivity, which helps in dissipating heat efficiently. These qualities make cast irons an ideal choice for engine combustion chambers, ensuring reliable and efficient engine performance.Rate this question:
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- 4.
Thermosets plastics are very elastic type of plastic said to be like polymers in behavior.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Thermoset plastics are not elastic like polymers in behavior. Unlike thermoplastics, which can be melted and re-molded multiple times, thermoset plastics undergo a chemical reaction during curing that permanently sets their shape. Once cured, thermoset plastics cannot be melted or re-molded, making them less elastic than polymers. Therefore, the statement that thermoset plastics are very elastic like polymers is false.Rate this question:
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- 5.
Copper and Zinc are component element of Bronze .
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because copper and tin are the component elements of bronze, not copper and zinc. Bronze is an alloy made by combining copper and tin, whereas zinc is commonly used in the production of brass, another type of alloy.Rate this question:
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- 6.
Bronze is an element.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement that "Bronze is an element" is false. Bronze is not an element but rather an alloy, which is a mixture of copper and tin. An element is a pure substance that cannot be broken down into simpler substances by chemical means.Rate this question:
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- 7.
Cast Irons are not used as bridge support, under-chassis of a transportation vehicles and others that supports heavy loads because its not an impact resistant.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Cast irons are not used as bridge supports, under-chassis of transportation vehicles, and other structures that support heavy loads because they are not impact resistant. This means that they are prone to cracking or breaking under high impact or sudden loads. Therefore, it is true that cast irons are not suitable for these applications where impact resistance is crucial for safety and structural integrity.Rate this question:
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- 8.
Cast Iron is a ferrous material that contains 0.01%- 2% Carbon.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Cast iron is a ferrous material that contains more than 2% carbon, not 0.01%-2%. Therefore, the statement is false. Cast iron typically contains around 2%-4% carbon, which gives it its characteristic hardness and brittleness.Rate this question:
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- 9.
An induction motor works with
- A.
DC only.
- B.
AC only.
- C.
AC and DC both.
- D.
None of these.
Correct Answer
B. AC only.Explanation
An induction motor works with AC only because it operates based on the principle of electromagnetic induction. AC voltage is required to create a rotating magnetic field, which in turn induces currents in the rotor and causes it to rotate. DC voltage cannot create a rotating magnetic field, so it is not suitable for powering an induction motor. Therefore, the correct answer is AC only.Rate this question:
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- 10.
A 3-phase synchronous motor will not start if
- A.
Voltage is too low.
- B.
One phase is open.
- C.
Connections are faulty.
- D.
Any of the above.
Correct Answer
D. Any of the above.Explanation
The correct answer is "any of the above." This means that a 3-phase synchronous motor will not start if the voltage is too low, if one phase is open, or if the connections are faulty. These are all potential reasons for the motor's failure to start, and any one of them can prevent the motor from functioning properly.Rate this question:
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- 11.
The all-pass filter is sometimes called a _____
- A.
A. Tow Tomas filter
- B.
B. Delay equalizer
- C.
C. KHN filter
- D.
D. State-variable filter
Correct Answer
B. B. Delay equalizerExplanation
The all-pass filter is sometimes called a delay equalizer because it is designed to introduce a specific amount of delay to a signal without affecting its amplitude. This delay can be used to compensate for phase differences in a system or to create certain audio effects. The term "delay equalizer" emphasizes the filter's ability to equalize or adjust the delay in a signal, making it an appropriate name for this type of filter.Rate this question:
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- 12.
The transistor is usually encapsulated in
- A.
A. graphite powder
- B.
B. enamel paint
- C.
C. epoxy raisin
- D.
D. black plastic
Correct Answer
C. C. epoxy raisinExplanation
The correct answer is c. epoxy resin. Transistors are typically encapsulated in epoxy resin for protection and insulation. Epoxy resin is a durable and heat-resistant material that helps to prevent damage to the transistor from external factors such as moisture, dust, and mechanical stress. Additionally, epoxy resin provides electrical insulation to prevent short circuits and interference.Rate this question:
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- 13.
An oscillator uses a capacitive voltage divider to provide feedback.
- A.
A. Hartley
- B.
B. Colpitts
- C.
C. Armstrong
- D.
D. Phase shift
Correct Answer
B. B. ColpittsExplanation
A Colpitts oscillator is a type of oscillator that uses a capacitive voltage divider as part of its feedback network. This voltage divider consists of two capacitors connected in series, with the junction between them tapped as the output. The capacitive voltage divider allows for the necessary phase shift and feedback to sustain oscillations. Therefore, the correct answer is b. Colpitts.Rate this question:
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- 14.
This is a very important method used in synchro receivers to prevent the rotor from spinning or oscillating,
- A.
A. jumping
- B.
B. precession
- C.
C. corresponding
- D.
D. damping
Correct Answer
D. D. dampingExplanation
Damping is a method used in synchro receivers to prevent the rotor from spinning or oscillating. It involves reducing the amplitude of the rotor's motion over time, thereby stabilizing it and preventing any unwanted movement. This is achieved by dissipating the energy of the rotor's motion through various means, such as friction or resistance, ultimately resulting in a controlled and stable rotor position.Rate this question:
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- 15.
The electron flow in a circuit passes through a NPN transistor from _________ to ___________?
- A.
Emitter, Collector
- B.
Emitter, Base
- C.
Base, Emitter
- D.
Collector, Base
Correct Answer
A. Emitter, CollectorExplanation
In a NPN transistor, the electron flow occurs from the emitter to the collector. The emitter is the region where the electrons are emitted or injected into the transistor, while the collector is the region where the electrons are collected or absorbed. This flow of electrons allows the transistor to amplify or control the current flowing through it.Rate this question:
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- 16.
What composes all matter, whether a liquid-solid or gas?
- A.
Atoms
- B.
Electronics
- C.
Protons
- D.
Neutrons
Correct Answer
A. AtomsExplanation
Atoms are the fundamental building blocks of all matter, whether it is in the form of a liquid, solid, or gas. Atoms are composed of subatomic particles, such as protons and neutrons in the nucleus, surrounded by electrons in the electron cloud. These atoms combine to form molecules, which in turn make up all the substances we encounter in our daily lives. Therefore, atoms are the correct answer as they are the basic units that compose all matter.Rate this question:
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- 17.
Which United States President did graduate work in reactor technology and nuclear physics?
- A.
Gerald Ford
- B.
Dwight Eisenhower
- C.
Bill Clinton
- D.
Jimmy Carter
Correct Answer
D. Jimmy CarterExplanation
Jimmy Carter is the correct answer because he did graduate work in reactor technology and nuclear physics. After leaving the Navy, Carter pursued advanced studies in nuclear physics and reactor technology, which gave him a strong understanding of the subject. This knowledge later played a significant role in his presidency, as he advocated for nuclear energy and nonproliferation efforts. Carter's background in this field sets him apart from the other presidents listed, making him the correct answer to the question.Rate this question:
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- 18.
What simple machine can be described as an inclined plane wrapped around a pole?
- A.
Wheelbarrow
- B.
Pulley
- C.
Wedge
- D.
Screw
Correct Answer
D. ScrewExplanation
A screw can be described as an inclined plane wrapped around a pole. The inclined plane is formed by the threads on the screw, which allows it to move through a solid material by rotating. This design makes it easier to drive the screw into a surface or to hold objects together. The screw is a type of simple machine that can be used for various purposes, such as fastening objects or lifting heavy loads.Rate this question:
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- 19.
English military engineer Thomas Savery created what device which converts heated water to motion?
- A.
Steam Engine
- B.
Diesel Engine
- C.
Internal Combustion Engine
- D.
Cotton Gin
Correct Answer
A. Steam EngineExplanation
Thomas Savery is credited with inventing the steam engine, which was a device that converted heated water into motion. This invention was a significant development in the Industrial Revolution and played a crucial role in powering machinery and transportation systems. The steam engine utilized the expansion of steam to generate power, leading to advancements in industries such as mining, manufacturing, and transportation.Rate this question:
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- 20.
Which of the following metal can be used for cathodic protection of steel
- A.
Al
- B.
Cu
- C.
Ag
- D.
Au
Correct Answer
A. AlExplanation
Aluminum (Al) can be used for cathodic protection of steel. Cathodic protection is a technique used to prevent corrosion of metals by making them the cathode in an electrochemical cell. Aluminum has a more negative potential than steel, so when aluminum is connected to steel in the presence of an electrolyte (such as soil or water), it acts as a sacrificial anode. This means that the aluminum will corrode instead of the steel, protecting the steel from corrosion.Rate this question:
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- 21.
What is the legendary Argentianen Football player Maradona's last name
- A.
Wayne
- B.
Diego
- C.
Carlos
- D.
Pablo
- E.
Chicken
Correct Answer
B. DiegoExplanation
Maradona's last name is not provided in the options, but his full name is Diego Armando Maradona. Therefore, the correct answer is Diego.Rate this question:
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- 22.
The acronymn LASER stands for..
- A.
Light Amplification by Stimulated Emission of Radio Waves
- B.
Light Amplification by Spontaneous Emission of Radio Waves
- C.
Light Amplification by Stimulated Emission of Radiation
- D.
Light Amplilfication by Spontaeous Emission of Radiation
Correct Answer
C. Light Amplification by Stimulated Emission of RadiationExplanation
The correct answer is "Light Amplification by Stimulated Emission of Radiation." The acronym LASER refers to a device that emits a coherent beam of light through the process of stimulated emission. This process involves the release of photons that are in phase and have the same wavelength and direction as the incident photons. This acronym accurately represents the fundamental principle behind the operation of a laser.Rate this question:
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- 23.
Which COUNTRY Is The Largest In The World?
- A.
Brazil
- B.
Argentina
- C.
Russia
- D.
Australia
- E.
USA
Correct Answer
C. RussiaExplanation
Russia is the correct answer because it is the largest country in the world in terms of land area. With a total area of about 17.1 million square kilometers, Russia covers a vast territory spanning across Europe and Asia. It is larger than any other country, including Brazil, Argentina, Australia, and the USA.Rate this question:
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- 24.
Isla Grande de Tierra del Fuego is in what country?
- A.
Brazil
- B.
Chile
- C.
Peru
- D.
Argentina
Correct Answer
D. ArgentinaExplanation
This is the largest island in the Tierra del Fuego Archipelago.Rate this question:
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- 25.
Which country used to be called Prussia?
- A.
Ukraine
- B.
Belarus
- C.
Germany
- D.
Austria
Correct Answer
C. GermanyExplanation
Prussia used to be a historical and cultural region in Europe, located mainly in what is now Germany. It was a powerful kingdom and later a state within the German Empire. Prussia played a significant role in the unification of Germany in the 19th century and was known for its militarism and disciplined society. Therefore, the correct answer is Germany.Rate this question:
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- 26.
Which of these oceans is the largest on earth?
- A.
The Atlantic
- B.
The Indian
- C.
The Pacific
- D.
The Caspian
Correct Answer
C. The PacificExplanation
The Pacific Ocean is the largest ocean on Earth. It covers an area of about 63 million square miles, making it larger than all the other oceans combined. It stretches from the Arctic in the north to the Southern Ocean in the south, and from the Americas in the east to Asia and Australia in the west. It is known for its vastness and its numerous islands, including Hawaii and the Galapagos Islands. The Pacific Ocean is also home to the Mariana Trench, the deepest point in the world's oceans.Rate this question:
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- 27.
Which of the following is not a social media application?
- A.
Flickr
- B.
My Space
- C.
Linked In
- D.
All of these
- E.
None of These
Correct Answer
E. None of TheseExplanation
The correct answer is "None of These." This means that all of the options listed (Flickr, My Space, and LinkedIn) are considered social media applications.Rate this question:
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- 28.
You are the administrator of a Facebook group. What is the maximum number of members you can have in your group if you want to send a mass message to the entire group?
- A.
500
- B.
1,000
- C.
5,000
- D.
10,000
- E.
50,000
Correct Answer
C. 5,000Explanation
As the administrator of a Facebook group, the maximum number of members you can have in your group to send a mass message to the entire group is 5,000. This means that you can send a message to all the members of the group at once without any limitations. Having more than 5,000 members would require you to send multiple messages or use other methods to communicate with all the members.Rate this question:
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- 29.
The first Social Media tool that Hit India popularly was?
- A.
Hi5
- B.
Orkut
- C.
Facebook
- D.
Twitter
- E.
Bigadda
Correct Answer
B. OrkutExplanation
Join http://www.facebook.com/learnsocialmedia to enjoy some more quizzesRate this question:
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- 30.
State which shares boundary with only one state
- A.
Assam
- B.
Arunachal pradesh
- C.
Tripura
- D.
Meghalaya
Correct Answer
D. MeghalayaExplanation
Meghalaya is the correct answer because it shares its boundary with only one state, which is Assam. It does not share borders with Arunachal Pradesh or Tripura. Therefore, Meghalaya is the only state among the given options that has a single neighboring state.Rate this question:
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- 31.
Largest Oil producing state in india
- A.
Assam
- B.
Maharastra
- C.
Gujarat
- D.
Andhra Pradesh
Correct Answer
A. AssamExplanation
Assam is the correct answer because it is the largest oil producing state in India. Assam has several oil fields, including the Digboi oil field, which is one of the oldest oil fields in the world. The state has a long history of oil production and contributes significantly to India's overall oil production. Additionally, Assam has several oil refineries and is known for its rich reserves of crude oil and natural gas.Rate this question:
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- 32.
Which car is the fastest?
- A.
Ford Mustang
- B.
Bugatti Veyron
- C.
Ford GT
- D.
Subaru Legacy
Correct Answer
B. Bugatti VeyronExplanation
The Bugatti Veyron is the correct answer because it is widely known as one of the fastest cars in the world. It holds multiple speed records and has a top speed of over 250 mph. The other options, Ford Mustang, Ford GT, and Subaru Legacy, are not as renowned for their speed capabilities compared to the Bugatti Veyron.Rate this question:
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- 33.
The process of cutting internal threads by hand is known as:
- A.
Die working
- B.
Threading
- C.
Tapping
- D.
Drilling
Correct Answer
C. TappingExplanation
Tapping is the correct answer because it refers to the process of cutting internal threads by hand. It involves using a tap, which is a cutting tool with sharp threads, to create threads inside a pre-drilled hole. This method is commonly used in various industries, such as metalworking and plumbing, to create threaded holes for screws, bolts, or fittings.Rate this question:
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- 34.
ALL the following are work holding devices used on the drill press EXCEPT:
- A.
V-block and clamp
- B.
Drill vise
- C.
Machinist vise
- D.
Angle plate
Correct Answer
C. Machinist viseExplanation
The question asks for the work holding devices used on the drill press, and the answer is "Machinist vise." This suggests that the other three options, V-block and clamp, Drill vise, and Angle plate, are all work holding devices that can be used on the drill press.Rate this question:
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- 35.
Dies are used to cut all types of threads on a work piece
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Dies are not used to cut threads on a workpiece. Instead, dies are used to create threads on external cylindrical surfaces, such as bolts or pipes. The process of using a die to create threads is called threading. Therefore, the correct answer is False.Rate this question:
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- 36.
Who first invented the pencil? (Click here to view the clue.)
- A.
Michael Faraday
- B.
Conrad Gesner
- C.
Otto Vlavnid
- D.
John Stokes
- E.
Nadia Faray
Correct Answer
B. Conrad GesnerExplanation
Conrad Gesner is credited with inventing the pencil. He was a Swiss naturalist and scholar who described the use of a graphite stick encased in wood to create a writing instrument in his book "Historia animalium" published in 1555. This early version of the pencil was a significant development in writing tools and laid the foundation for the modern pencil that we use today.Rate this question:
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- 37.
When was the first printing press invented?
- A.
350
- B.
1900
- C.
1452
- D.
1521
Correct Answer
C. 1452Explanation
The correct answer is 1452. This is the year when the first printing press was invented by Johannes Gutenberg in Germany. Gutenberg's invention revolutionized the way information was disseminated, making books more accessible and affordable to the general public. The printing press played a crucial role in the spread of knowledge and the advancement of literacy throughout Europe and eventually the world.Rate this question:
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- 38.
Where might you find a NICAD battery?
- A.
in a satellite
- B.
In a portable cassette player
- C.
In a handheld radio transceiver
- D.
In more than one of the above
Correct Answer
D. In more than one of the aboveExplanation
A NICAD battery, also known as a nickel-cadmium battery, is commonly used in various electronic devices due to its high energy density and long life. It can be found in a satellite, as satellites require reliable power sources for their operations. Additionally, it can be found in portable cassette players and handheld radio transceivers, as these devices often require a rechargeable battery to function. Therefore, a NICAD battery can be found in more than one of the given options.Rate this question:
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- 39.
Name the famous tech personality
- A.
Tim Cook
- B.
Travis Kalanick
- C.
Satya Nadella
- D.
Alon Musk
Correct Answer
D. Alon MuskExplanation
The correct answer is Elon Musk. He is a famous tech personality known for being the CEO of Tesla, SpaceX, and Neuralink. Musk is widely recognized for his contributions to the electric vehicle industry, space exploration, and his ambitious plans for the future of technology.Rate this question:
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- 40.
Currently, Facebook has approximately how many users?
- A.
6 million
- B.
600 million
- C.
100 million
- D.
1.3 billion
Correct Answer
D. 1.3 billionExplanation
Facebook currently has approximately 1.3 billion users.Rate this question:
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- 41.
Which was the 1st production car?
- A.
Ford model t
- B.
Mercedes
- C.
Alfa Romeo
- D.
Jaguar
Correct Answer
A. Ford model tExplanation
The Ford Model T is considered to be the first production car because it was the first automobile to be mass-produced on assembly lines using interchangeable parts. This innovation made the Model T affordable and accessible to the average consumer, revolutionizing the automotive industry. The Model T was introduced in 1908 and remained in production until 1927, selling over 15 million units and establishing Ford as a leading car manufacturer. Its impact on society and the automotive industry solidifies its status as the first production car.Rate this question:
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- 42.
NAME THE MONUMENT
- A.
Gwalior Fort
- B.
Golconda Fort
- C.
Maharaja’s Palace
- D.
Mehrangarh Fort
Correct Answer
B. Golconda FortExplanation
The correct answer is Golconda Fort. Golconda Fort is a historical fort located in Hyderabad, India. It was originally built as a mud fort in the 13th century and later fortified with granite walls. The fort complex includes several structures such as gateways, mosques, royal chambers, and gardens. It is known for its impressive architecture and strategic location on a hilltop. Golconda Fort has played a significant role in the history of the region and attracts tourists with its rich heritage and stunning views.Rate this question:
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- 43.
THE FASTEST TRAIN IN INDIA?
- A.
Shatabdi Express
- B.
Rajhdani Express
- C.
Gatimaan Express
- D.
Duronto Express
Correct Answer
C. Gatimaan ExpressExplanation
Gatimaan Express is the correct answer because it is currently the fastest train in India. It operates between Delhi and Jhansi, covering a distance of 403 kilometers in just 4 hours and 25 minutes. The train has a maximum speed of 160 km/h and offers various amenities like onboard catering, Wi-Fi, and executive class seating.Rate this question:
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- 44.
On which day, the Engineers Day is celebrated in India?
- A.
Sept 15
- B.
Sept 16
- C.
Sept 14
- D.
Sept 17
Correct Answer
A. Sept 15Explanation
Engineers Day is celebrated in India on September 15th. This day is dedicated to commemorating the birthday of Sir Mokshagundam Visvesvaraya, an eminent Indian engineer and statesman. Sir Visvesvaraya made significant contributions to the field of engineering in India, including the construction of dams and irrigation systems. His work has had a lasting impact on the country's infrastructure and development. Thus, September 15th is celebrated as Engineers Day to honor his achievements and recognize the contributions of engineers to society.Rate this question:
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- 45.
Which is the Launch Center for the Indian Space Research Organization?
- A.
Satish Dhawan Space Centre
- B.
Vikram Sarabhai Space Centre
- C.
Aakash Space Centre
- D.
Sriharikota Space Centre
Correct Answer
A. Satish Dhawan Space CentreExplanation
The Satish Dhawan Space Centre is the launch center for the Indian Space Research Organization (ISRO). It is located in Sriharikota, Andhra Pradesh, India. The center is responsible for launching various satellites, including the Geosynchronous Satellite Launch Vehicle (GSLV) and the Polar Satellite Launch Vehicle (PSLV). It is named after Satish Dhawan, who was an eminent Indian scientist and served as the chairman of ISRO from 1972 to 1984.Rate this question:
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- 46.
How Many Members are there in Congress?
- A.
535
- B.
100
- C.
435
- D.
538
- E.
375
Correct Answer
A. 535Explanation
There are a total of 535 members in Congress.Rate this question:
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- 47.
Minister of Defence India
- A.
Arun Jaitley
- B.
Nirmala Sitharaman
- C.
George Fernandes
- D.
Manohar Parrikar
Correct Answer
B. Nirmala SitharamanExplanation
Nirmala Sitharaman is the correct answer because she served as the Minister of Defence in India. She held this position from September 2017 to May 2019, making her the first female Defence Minister of India. Prior to her appointment, she had a background in economics and finance, having worked in the corporate sector and served as a Minister of State for Commerce and Industry. During her tenure as Defence Minister, she played a crucial role in various defense-related policies and initiatives, including the modernization of the armed forces and strengthening India's defense capabilities.Rate this question:
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- 48.
Minister of Human Resource Development, India?
- A.
Smriti Irani
- B.
Harsh Vardhan
- C.
Prakash Javadekar
- D.
Suresh Prabhu
Correct Answer
C. Prakash JavadekarExplanation
Prakash Javadekar is the correct answer because he is the current Minister of Human Resource Development in India. He was appointed to this position in 2016 and has been responsible for overseeing the education sector in the country. Javadekar has implemented various reforms and policies to improve the quality of education and promote skill development among students. He has also been involved in initiatives to enhance digital learning and increase access to education for all. Overall, Javadekar's role as the Minister of Human Resource Development makes him the correct answer to this question.Rate this question:
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- 49.
What type of gear is this?
- A.
Rack and Pinion Gear
- B.
Worm Gear
- C.
Planetary Gear Set
- D.
Helical Gear
Correct Answer
D. Helical GearExplanation
A helical gear is a type of gear that has teeth that are cut at an angle. This angle allows for a smoother and quieter operation compared to other types of gears. The helical gear is commonly used in various applications such as automotive transmissions, industrial machinery, and power tools. It is known for its high efficiency and ability to transmit large amounts of power.Rate this question:
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.jpg "What type of gear is this?")
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