Safety Quiz For Jspl Employees, 2018
Questions and Answers
- 1.
LPG vapour is
- A.
Lighter than air
- B.
Heavier than air
- C.
Same density as that of air
- D.
All the above
Correct Answer
B. Heavier than airExplanation
LPG vapor is heavier than air because it has a higher density than air. This means that LPG vapor will tend to sink and accumulate in lower areas rather than rise and disperse in the atmosphere. This property of being heavier than air is important to consider when handling and storing LPG, as it can lead to the formation of flammable or explosive concentrations in confined spaces.Rate this question:
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- 2.
National Safety Council set up on.
- A.
4th March 1968
- B.
4th March 1950
- C.
4th March 1966
- D.
4th March 1965
Correct Answer
C. 4th March 1966Explanation
The correct answer is 4th March 1966. This is the date when the National Safety Council was set up.Rate this question:
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- 3.
Permissible exposure limit as per factories act/rule for the continuous noise per eight hour working is
- A.
85 dB
- B.
95 dB
- C.
80dB
- D.
90dB
Correct Answer
D. 90dBExplanation
The permissible exposure limit for continuous noise per eight-hour working as per the factories act/rule is 90 dB. This means that workers can be exposed to noise levels up to 90 dB for a maximum of eight hours without any adverse health effects. It is important to adhere to these limits to protect the hearing health of workers and prevent occupational noise-induced hearing loss.Rate this question:
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- 4.
Hot jobs should always be carried out under authority of safety work permit.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Hot jobs, which involve tasks such as welding, cutting, or working with open flames, can pose significant risks if not carried out safely. Therefore, it is crucial to have a safety work permit in place before undertaking such jobs. This permit ensures that proper safety measures are taken, such as having fire extinguishers nearby, using protective equipment, and following established procedures. By carrying out hot jobs under the authority of a safety work permit, the chances of accidents, injuries, or property damage are reduced, making it a necessary requirement for ensuring the well-being of workers and the workplace.Rate this question:
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- 5.
Oxygen level in confined space shall not be more than
- A.
22.0%
- B.
22.5%
- C.
23.5%
- D.
23.0%
Correct Answer
C. 23.5%Explanation
In a confined space, the oxygen level should not exceed 23.5%. This is because oxygen levels higher than this can lead to an increased risk of fire and explosion. Additionally, high levels of oxygen can also cause dizziness, confusion, and difficulty breathing, which can be dangerous in a confined space where there may be limited ventilation. Therefore, it is important to ensure that the oxygen level in a confined space is within safe limits to prevent any potential hazards.Rate this question:
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- 6.
Oxygen level in confined space shall not be less than
- A.
19.0%
- B.
19.5%
- C.
20.0%
- D.
21.0%
Correct Answer
B. 19.5%Explanation
The correct answer is 19.5%. Oxygen levels in a confined space should not be less than this percentage to ensure the safety and well-being of individuals. Oxygen is necessary for breathing, and a lower level can lead to various health issues, including difficulty in breathing, dizziness, and even loss of consciousness. Therefore, it is crucial to maintain a minimum oxygen level of 19.5% in confined spaces to prevent any potential harm or risks to individuals present in those areas.Rate this question:
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- 7.
Which of the following material comes under “D” class of fire?
- A.
Wood, grass
- B.
Flammable liquids
- C.
Metals
- D.
Gases
Correct Answer
C. MetalsExplanation
Metals come under the "D" class of fire. This class refers to fires involving combustible metals, such as magnesium, titanium, and lithium. These fires require special extinguishing agents as water or other common fire suppressants can react violently with the burning metal, exacerbating the fire. The "D" class of fire is less common than other classes but can be extremely dangerous and challenging to extinguish.Rate this question:
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- 8.
Pressure Vessel means
- A.
Working pressure more than 1.0 Kg/cm2g
- B.
5.0 kg/cm2g or more
- C.
Above atmospheric pressure
- D.
None of the above
Correct Answer
C. Above atmospheric pressureExplanation
The term "Pressure Vessel" refers to a container or vessel that operates at a pressure higher than atmospheric pressure. It can withstand pressures above 1.0 Kg/cm2g or 5.0 kg/cm2g. Therefore, the correct answer is "Above atmospheric pressure."Rate this question:
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- 9.
What is the colour of Fire Triangle?
- A.
Red
- B.
Blue
- C.
Green
- D.
Yellow
Correct Answer
A. RedExplanation
The color of the Fire Triangle is red. This is because the Fire Triangle represents the three elements necessary for a fire to occur: heat, fuel, and oxygen. The color red is commonly associated with fire and heat, making it a fitting representation for the Fire Triangle.Rate this question:
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- 10.
ELCB means ?
- A.
Earth leakage circuit Breaker
- B.
Earth loose circuit breaker
- C.
Earth like circuit breaker
- D.
None of the above
Correct Answer
A. Earth leakage circuit BreakerExplanation
ELCB stands for Earth Leakage Circuit Breaker. It is a safety device that detects and interrupts electrical leakage from an electrical circuit. When there is a leakage of current to the earth, the ELCB automatically trips the circuit, cutting off the power supply and preventing electric shock or electrical fires. Therefore, the correct answer is Earth Leakage Circuit Breaker.Rate this question:
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- 11.
The voltage of electric light used in confined space should not exceed
- A.
24V
- B.
12V
- C.
230V
- D.
440
Correct Answer
A. 24VExplanation
In confined spaces, there is a higher risk of electrical accidents due to limited ventilation and increased proximity to the electrical source. Using a higher voltage, such as 230V or 440V, can increase the likelihood of electrical shock or fire hazards. Therefore, the voltage of electric light used in confined spaces should not exceed 24V to ensure the safety of individuals working in such environments.Rate this question:
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- 12.
TLV( threshold limit value) of Carbon monoxide is
- A.
20PPM
- B.
30PPM
- C.
40PPM
- D.
50PPM
Correct Answer
D. 50PPMExplanation
The correct answer is 50PPM. The TLV (threshold limit value) of Carbon monoxide is the maximum concentration of this gas that a person can be exposed to without experiencing adverse health effects. In this case, the TLV for Carbon monoxide is 50PPM, meaning that concentrations above this level can be harmful to human health.Rate this question:
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- 13.
As per factories rule the maximum load that adult female should carry on head is
- A.
20kg
- B.
25kg
- C.
30kg
- D.
65kg
Correct Answer
C. 30kgExplanation
According to factories rules, the maximum load that an adult female should carry on her head is 30kg. This weight limit ensures the safety and well-being of the female worker, preventing excessive strain or injury. It is important to adhere to these guidelines to protect the physical health of the workers and maintain a safe working environment.Rate this question:
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- 14.
As per the international standards Fire is classified into
- A.
3 Types
- B.
4 Types
- C.
5 Types
- D.
6 Types
Correct Answer
B. 4 TypesExplanation
Fire is classified into 4 types according to international standards. These types are based on the type of fuel involved in the fire. The four types are Class A, Class B, Class C, and Class D fires. Class A fires involve ordinary combustible materials such as wood, paper, and cloth. Class B fires involve flammable liquids and gases. Class C fires involve energized electrical equipment. Class D fires involve combustible metals. This classification system helps in determining the appropriate type of extinguisher or firefighting method to be used for each type of fire.Rate this question:
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- 15.
PPE helps in preventing accident
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
PPE, or Personal Protective Equipment, is designed to protect individuals from potential hazards and reduce the risk of accidents. While PPE is an important safety measure, it does not solely prevent accidents. Other factors such as proper training, adherence to safety protocols, and a safe working environment also play crucial roles in accident prevention. Therefore, the statement that PPE helps in preventing accidents is false.Rate this question:
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- 16.
What is correct angle (in degree) of protection of a ladder to its base.
- A.
45
- B.
75
- C.
90
- D.
180
Correct Answer
B. 75Explanation
The correct angle of protection for a ladder to its base is 75 degrees. This angle provides a stable and secure position for the ladder, ensuring that it doesn't tip over while in use. A 75-degree angle allows for a good balance between reaching heights and maintaining stability, making it an ideal angle for ladder safety.Rate this question:
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- 17.
RCCB means
- A.
Residual current circuit breaker
- B.
Residual circuit current breaker
- C.
Rest conduit circuit breaker
- D.
None of the above
Correct Answer
A. Residual current circuit breakerExplanation
RCCB stands for Residual Current Circuit Breaker. This device is designed to protect against electrical shock by quickly disconnecting the power supply when it detects a difference in the current flowing through the live and neutral wires. It is commonly used in electrical installations to prevent electric shock and reduce the risk of fire caused by electrical faults. The other options mentioned, such as Residual circuit current breaker and Rest conduit circuit breaker, are not commonly used terms in the field of electrical engineering.Rate this question:
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- 18.
What do you mean by Good Housekeeping?
- A.
Cleaning
- B.
Sweeping
- C.
Right things in right place
- D.
Make a site like a house
Correct Answer
C. Right things in right placeExplanation
Good Housekeeping refers to the practice of organizing and arranging items in a proper and orderly manner. It involves ensuring that everything is in its designated place, making it easier to find and access when needed. This practice helps to maintain cleanliness, efficiency, and a sense of organization in a space, whether it be a house, office, or any other site.Rate this question:
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- 19.
The following is utilized to identify the direction of wind?
- A.
Wind stand
- B.
Wind sock
- C.
Wind blower
- D.
Wind stand
Correct Answer
B. Wind sockExplanation
A wind sock is utilized to identify the direction of wind. A wind sock is a conical textile tube that is open at both ends. It is typically attached to a pole or mast and is designed to respond to the direction and strength of the wind. The wind fills the sock, causing it to extend in the direction from which the wind is blowing. By observing the orientation of the wind sock, one can determine the direction of the wind.Rate this question:
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- 20.
National Fire Service day is observed in India annually on
- A.
14th April
- B.
24th February
- C.
14th January
- D.
5th June
Correct Answer
A. 14th AprilExplanation
National Fire Service day is observed in India annually on 14th April. This day is observed to honor the firefighters who risk their lives to protect people and property from fire hazards. It also commemorates the establishment of the first fire service in India in 1944. On this day, various events and activities are organized to raise awareness about fire safety and to recognize the bravery and dedication of firefighters.Rate this question:
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- 21.
In case of fire on electrical appliances which type of fire extinguisher should be used?
- A.
Water type
- B.
CO2 type
- C.
Foam type
- D.
ABC type
Correct Answer
B. CO2 typeExplanation
CO2 type fire extinguisher should be used in case of fire on electrical appliances because it is a non-conductive extinguishing agent. CO2 displaces oxygen, removing the fuel source for the fire. It is specifically designed to extinguish electrical fires without causing any damage to the equipment or risking electric shock to the user.Rate this question:
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- 22.
What is the length of lanyards used in Full body harness.
- A.
4 mtrs
- B.
2.8 mtrs
- C.
1.8 mtrs
- D.
2 mtrs
Correct Answer
C. 1.8 mtrsExplanation
The correct answer is 1.8 mtrs. This length is commonly used for lanyards in full body harnesses. Lanyards are important safety equipment that are used to connect the harness to an anchor point. The length of the lanyard is designed to provide enough slack for movement while also preventing a fall from occurring. A lanyard that is too short may restrict movement, while one that is too long may increase the risk of a fall. Therefore, a length of 1.8 mtrs is considered appropriate for ensuring safety while allowing for necessary movement.Rate this question:
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- 23.
The tripping value (subjected to human exposures) of ELCB/RCCB of electrical installation should be
- A.
30 mA
- B.
100 mA
- C.
300 mA
- D.
63 mA
Correct Answer
A. 30 mAExplanation
The correct answer is 30 mA. The tripping value of ELCB/RCCB (Earth Leakage Circuit Breaker/Residual Current Circuit Breaker) for electrical installations should be 30 mA. This is because a current above this threshold can be harmful to human beings and may cause electric shock or electrocution. Therefore, to ensure safety, the ELCB/RCCB should be able to detect and trip the circuit when the leakage current exceeds 30 mA, thus preventing any potential harm to individuals.Rate this question:
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- 24.
While putting U clamp in wire rope, the saddle portions lies in the live end of wire rope
- A.
Yes
- B.
No
- C.
All of the above
- D.
None of the above
Correct Answer
A. YesExplanation
The correct answer is "Yes" because when putting a U clamp in a wire rope, the saddle portions of the clamp should be positioned on the live end of the wire rope. This ensures that the clamp securely holds the wire rope in place and prevents it from slipping or coming loose.Rate this question:
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- 25.
RPM of grinding wheel should be grater than RPM of grinding machine
- A.
Yes
- B.
No
- C.
None of the above
- D.
All the above
Correct Answer
A. YesExplanation
The RPM of the grinding wheel should be greater than the RPM of the grinding machine because the grinding wheel rotates at a higher speed in order to effectively grind and remove material from the workpiece. If the RPM of the grinding wheel is lower than the RPM of the grinding machine, it may result in inefficient grinding, poor surface finish, and potential damage to the workpiece. Therefore, it is necessary for the grinding wheel to have a higher RPM than the grinding machine for optimal performance.Rate this question:
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- 26.
A,B & C of First aid are
- A.
Air,Breath, cycle
- B.
Airways, Breathing , Circulation
- C.
Airways, Breathing , Cycle
- D.
Air, Breathing Circulation
Correct Answer
B. Airways, Breathing , CirculationExplanation
The correct answer is Airways, Breathing, Circulation. In first aid, the primary focus is on ensuring that the airways are clear, the person is breathing properly, and that circulation is maintained. These three components are crucial for providing immediate care to someone who is injured or in distress. By addressing these aspects, first aid responders can help stabilize the person's condition and prevent further harm or complications.Rate this question:
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- 27.
If the diameter of wire rope is D inch, the safe working load should be(in ton)
- A.
6D square
- B.
8D square
- C.
10D square
- D.
12D square
Correct Answer
B. 8D squareExplanation
The correct answer is 8D square. This is because the safe working load of a wire rope is directly proportional to the square of its diameter. Therefore, multiplying the diameter (D) by itself (D square) and then multiplying the result by 8 gives the safe working load in tons.Rate this question:
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- 28.
Environment day is being observed in every year on
- A.
4th March
- B.
14th April
- C.
5th May
- D.
5th June
Correct Answer
D. 5th JuneExplanation
Environment Day is observed on 5th June every year. This day is dedicated to promoting awareness and action for the protection of our environment. It serves as a platform to address environmental challenges and encourage individuals, communities, and governments to take steps towards sustainable development. Various activities and initiatives are organized worldwide on this day to raise awareness about environmental issues such as pollution, deforestation, and climate change. Therefore, 5th June is the correct answer for Environment Day.Rate this question:
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- 29.
Which of the following is correct for risk assessment?
- A.
It is a good idea to do, but not essential.
- B.
Only do it if it is a height job
- C.
It is a legal requirement and must always be done
- D.
Only needs to be done for hazardous work
Correct Answer
C. It is a legal requirement and must always be doneExplanation
Risk assessment is a legal requirement and must always be done because it is crucial for identifying potential hazards, evaluating the level of risk associated with them, and implementing necessary control measures to prevent accidents or harm to individuals. By conducting risk assessments, organizations can ensure the safety and well-being of their employees, comply with legal obligations, and minimize the likelihood of accidents or incidents occurring in the workplace. Therefore, risk assessment is not just a good idea, but an essential practice that should be carried out in all work situations.Rate this question:
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- 30.
Which colour is used for colour coding of lifting tools & tackles in our JSPL , patratu unit for the year of 2017-2018?
- A.
RED
- B.
ORANGE
- C.
YELLOW
- D.
GREEN
Correct Answer
C. YELLOWExplanation
In the JSPL Patratu unit for the year 2017-2018, the color used for color coding of lifting tools and tackles is yellow.Rate this question:
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