Automotive Engine Design Mock Test 9

10%

Question 1 of 10

1. How is one of the bearings made to prevent the crankshaft from moving to and fro in the endwise direction?

Magnetic bearing

Fluid bearing

Thrust bearing

Ball-bearing

Question 1 of 10

Question 2 of 10

2. Which of the following material is the most commonly used in the construction of crankshaft?

Cast steel

Bronze

lead

Copper

Question 2 of 10

Question 3 of 10

3. Which of the following is not the reason for the breaking of the flange in a wet liner?

Uneven counterbore

Excessive tightening of head bolts

Damaged piston pin boss

Worn out counterbore seat

Question 3 of 10

Question 4 of 10

4. How much percentage of the cylinder bore size concerningthe thickness of the crank web?

Question 4 of 10

Question 5 of 10

5. Which of the following type of piston ring end gap is shown below?

Gapless

Seal cut

Tapered

Butt

Question 5 of 10

Question 6 of 10

6. Which is the bearing material which is being used in the modern engine?

Chromium

Brass

Aluminum

Cast iron

Question 6 of 10

Question 7 of 10

7. For which to which part is the hole drilled for lubrication in a connecting rod?

Only in piston

Piston to connecting rod

Piston to crankshaft

Small end to big end of the connecting rod

Question 7 of 10

Question 8 of 10

8. The maximum valve opening depends directly on what factor?

Valve peak lift

Power output

Throttle position

Valve drop

Question 8 of 10

Question 9 of 10

9. Theoretically, the exhaust valve should open till the piston reaches which position?

Side centre position

Bottom side position

Bottom dead centre

Top dead centre

Question 9 of 10

Question 10 of 10

10. How many types of crankshaft construction are used universally?

Question 10 of 10