IC Engine Mock Test 4

10%

Question 1 of 10

1. What is the advantage of an air injection system?

cheaper fuels can be used

fine atomization and distribution of the fuel

all of the mentioned

mep is high

Question 1 of 10

Question 2 of 10

2. Which of the following methods used on fuel injection?

all of the mentioned

air injection

mechanical injection

solid fuel injection

Question 2 of 10

Question 3 of 10

3. The electronic fuel injection, eliminates majority of carburettor pressure loses and almost eliminates the requirement of manifold heating.

True

False

Question 3 of 10

Question 4 of 10

4. What is the requirement met by the injection system?

Uniform distribution of fuel droplets throughout the combustion chamber

All of the mentioned

Proper atomization of fuel into very fine droplets

Proper spray pattern to ensure rapid mixing of fuel and air

Question 4 of 10

Question 5 of 10

5. The ________________ type of mixture control system, allows additional air to enter the carburetor between the main discharge nozzle and the throttle valve.

air port

needle

back suction

none of the mentioned

Question 5 of 10

Question 6 of 10

6. L-MPFI system uses ___________

port injection

throttle body injection

manifold injection

direct injection

Question 6 of 10

Question 7 of 10

7. _____________ injection is adopted when manifold injection is contemplated.

Timed

None of the mentioned

Continuous

Continuous & Timed

Question 7 of 10

Question 8 of 10

8. In electronic fuel injection, there is improvement in the _____________ efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses.

volumetric

none of the mentioned

mechanical

overall

Question 8 of 10

Question 9 of 10

9. In an electronic fuel injection, there is a possibility of malfunctioning of some sensors.

False

True

Question 9 of 10

Question 10 of 10

10. With EFI of diesel engines ___________

diagnostic properties are poor

sharp start and stop is not possible

sudden cylinder cut-off is impossible

very high injection pressure can be obtained

Question 10 of 10