IC Engine Mock Test 10

10%

Question 1 of 10

1. Number of working strokes per min. for a two stroke cycle engine are ____________ the speed of the engine in r.p.m.

twice

four-times

one-half

equal to

Question 1 of 10

Question 2 of 10

2. ____________ of fuel energy is wasted as heat energy to friction, pumping and dynamic movement.

16%

38%

Question 2 of 10

Question 3 of 10

3. A petrol engine has compression ratio from __________

10 to 15

25 to 40

6 to 10

15 to 25

Question 3 of 10

Question 4 of 10

4. At light loads, the running of the engine is not very smooth because of the __________ dilution of charge.

equal

none of the mentioned

increased

decreased

Question 4 of 10

Question 5 of 10

5. The pressure at the end of compression, in petrol engines, is approximately __________

20 bar

35 bar

10 bar

25 bar

Question 5 of 10

Question 6 of 10

6. Which of the following engines will have a heavier flywheel than the remaining ones?

30 kW two stroke petrol engine running at 1500 r.p.m

30 kW four stroke diesel engine running at 750 r.p.m

30 kW four stroke petrol engine running at 1500 r.p.m

30 kW two stroke diesel engine running at 750 r.p.m

Question 6 of 10

Question 7 of 10

7. Inadequate scavenging leads to contamination of lubricating oil to a greater extent which reduces the lubricating qualities and eventually results in increased wear of piston and cylinder liners.

False

True

Question 7 of 10

Question 8 of 10

8. In __________ scavenging system the inlet and exhaust ports are located on opposite sides of the cylinder.

loop

cross

uniflow

none of the mentioned

Question 8 of 10

Question 9 of 10

9. Centrifugal blower is employed for large and high output engines.

True

False

Question 9 of 10

Question 10 of 10

10. The turbocharger relies solely on extracting up to a third of the wasted energy passing out from the engine's cylinders to impart power to the turbine wheel and compressor wheel assembly.

False

True

Question 10 of 10