I. C. Engine Test
Unit Test ( chapter 1 to 6 from syllabus)
- 1.A cycle consisting of two constant volume and two isothermal processes is known as
- A.
Stirling cycle
- B.
Carnot cycle
- C.
Otto cycle
- D.
Joule cycle
- 2.
![Spill port(valve) in helix Bypass pump connects - ProProfs]( "Spill port(valve) in helix Bypass pump connects")
Spill port(valve) in helix Bypass pump connects- A.
Fuel tank and pump
- B.
Fuel filter and fuel pump
- C.
Common rail to fuel injector
- D.
Fuel pump and fuel injector
- 3.
![OHC in engine terminology means - ProProfs]( "OHC in engine terminology means")
OHC in engine terminology means- A.
Over Lapping head compression
- B.
On Head camshaft
- C.
Over Head Chamber
- D.
Organically Homogeneous Combustionz
- 4.Ratio of work done by engine to stroke volume gives
- A.
Mean effective pressure
- B.
Volumetric efficiency
- C.
Volumetric flow rate
- D.
Specific equivalence ratio
- 5.
![Which carburetor has triple venturies - ProProfs]( "Which carburetor has triple venturies")
Which carburetor has triple venturies- A.
Solex carburetor
- B.
Carter carburetor
- C.
Zenith carburetor
- D.
S.U. carburetor
- 6.By increasing suction volume of engine, air standard efficiency of SI engine
- A.
Increases
- B.
Decreses
- C.
Remains unaffected
- D.
Varies exponantially
- 7.
![For same BHP, the weight to power ratio is less for - ProProfs]( "For same BHP, the weight to power ratio is less for")
For same BHP, the weight to power ratio is less for- A.
2 stroke engine
- B.
4 stroke engine
- 8.
![In ASTM distillation curve, the order of distillate in ascending order for following are :(a) kerosene(b)high speed diesel(c) gasoline(d) ethyle alchohol - ProProfs]( "In ASTM distillation curve, the order of distillate in ascending order for following are :(a) kerosene(b)high speed diesel(c) gasoline(d) ethyle alchohol")
In ASTM distillation curve, the order of distillate in ascending order for following are :(a) kerosene(b)high speed diesel(c) gasoline(d) ethyle alchohol- A.
D - c- b - a
- B.
A - b- c - d
- C.
B - c -a- d
- D.
A - d - b - c
- 9.
![The amount of energy liberated by 1kg of fuel is known as - ProProfs]( "The amount of energy liberated by 1kg of fuel is known as")
The amount of energy liberated by 1kg of fuel is known as- A.
Calorific value
- B.
Specific Heat
- C.
Enthalpy
- D.
Heat Capacity
- 10.
![Disintegration of combustion products at high temperature is known as _______________ - ProProfs]( "Disintegration of combustion products at high temperature is known as _______________")
Disintegration of combustion products at high temperature is known as _______________ - 11.
![The reference fuels for knock rating of spark ignition engines would include - ProProfs]( "The reference fuels for knock rating of spark ignition engines would include")
The reference fuels for knock rating of spark ignition engines would include- A.
Normal heptane and iso-octane
- B.
Normal octane and aniline
- C.
Iso-octane and normal hexane
- D.
Iso-octane and alpha-methyl naphthalene
- 12.
![Which type of engine head is shown in fig - ProProfs]( "Which type of engine head is shown in fig")
Which type of engine head is shown in fig- A.
F head
- B.
L head
- C.
I head
- D.
T head
- 13.
![Small electrical resistance heater mounted inside the combustion chamber of many CI engines is known as - ProProfs]( "Small electrical resistance heater mounted inside the combustion chamber of many CI engines is known as")
Small electrical resistance heater mounted inside the combustion chamber of many CI engines is known as- A.
Glow plug
- B.
Spark plug
- C.
Pressure transduser
- D.
None
- 14.
![High-pressure gases in the combustion chamber fromleaking past the piston into the crankcase - ProProfs]( "High-pressure gases in the combustion chamber fromleaking past the piston into the crankcase")
High-pressure gases in the combustion chamber fromleaking past the piston into the crankcase- A.
Blow by
- B.
Past over
- C.
Vented by
- D.
None
- 15.
![Ideal air standard otto cycle is considered as a close loop cycle. True or False ? - ProProfs]( "Ideal air standard otto cycle is considered as a close loop cycle. True or False ?")
Ideal air standard otto cycle is considered as a close loop cycle. True or False ?- A.
True
- B.
False
- 16.
![Butterfly valve mounted at the upstream end of the intake system is known as - ProProfs]( "Butterfly valve mounted at the upstream end of the intake system is known as")
Butterfly valve mounted at the upstream end of the intake system is known as- A.
Throttle
- B.
Choke
- C.
Auxiliary
- D.
None
- 17.Presence of one of the following material can reduce the self ignition temperature and promote knock
- A.
Sulphur
- B.
Nitrogen
- C.
Unburnt HC
- D.
Vapor
- 18.
![Clogging inlet manifold channel by rapid fuel evaporation is known as - ProProfs]( "Clogging inlet manifold channel by rapid fuel evaporation is known as")
Clogging inlet manifold channel by rapid fuel evaporation is known as- A.
Manifold lock
- B.
Vapor lock
- C.
Choking
- D.
None
- 19.The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the
- A.
Jet area is automatically varied depending on the suction
- B.
The diameter of the jet is constant and the discharge coefficient is invariant
- C.
The diameter of the jet is constant and the discharge coefficient is invariant
- D.
Flow is produced due to the static head in the float chamber
- 20.Distribution of fuel particles in cylinder to achieve better fuel-air mixture is known as
- A.
Atomization
- B.
Penetration
- C.
Turbulence
- D.
Dispersion
- 21.
![Gum formation occurs due to - ProProfs]( "Gum formation occurs due to")
Gum formation occurs due to- A.
Oxidation of unsaturated hydrocarbons
- B.
Oxidation of nitrogen
- C.
Oxidation of saturated hydrocarbons
- D.
All of above
- 22.Air standard efficiency of diesel engine approaches to otto cycle efficiency when
- A.
Cut off ratio is increased
- B.
Cut off ratio is decreased
- C.
Cut off ratio is constant
- D.
Cut off ratio is Zero
- 23.Which of following is known as indicator diagram
- A.
P -theta
- B.
P-V
- C.
T-s
- D.
P-T
- 24.In 2 stroke 2 cylinder CI engine, running at 3000 rpm , no of sparks occurs in 5 min
- A.
150000
- B.
30000
- C.
7500
- D.
None
- 25."Common fuel consisting of 90% gasoline and 10% alcohol" is known as
- A.
Gasohol
- B.
Gasoline
- C.
Blend
- D.
Gasalcohol
Questions: 41 | Attempts: 231 | Last updated: Jan 15, 2013
-
Sample QuestionJe suis ________________ café.
Questions: 50 | Attempts: 129 | Last updated: Feb 4, 2014
-
Sample QuestionBản quyền thuộc về:http://sinhk33.blogspot.com/ PHẦN CHUNG CHO TẤT CẢ THÍ SINH (40 câu, từ câu 1 đến câu 40) Câu 1:Trong quần thể của một loài động vật lưỡng bội, xét một lôcut có ba alen nằm trênvùng tương đồngcủa nhiễm sắc thể giới tínhX và Y. Biết rằng không xảy ra đột biến, theo lí thuyết, số loại kiểu gen tối đa về lôcut trên trong quần thể là
Questions: 102 | Attempts: 1188 | Last updated: Feb 12, 2013
-
Sample QuestionAllow APU to operate with no load for a minimum of __________ prior to shut down .
Back to top