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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Components Design knowledge and support exam preparation. Choose a topic below to get started.
1. |
What happens to the spring when the valve is opened? |
A. | Elongate |
B. | Compress |
C. | Twist |
D. | both compress and twist |
Answer» C. Twist | |
2. |
Follower rests on which part of the valve-gear mechanism? |
A. | Rocker-arm |
B. | Cam |
C. | Valve |
D. | Tappet |
Answer» C. Valve | |
3. |
One end of the spring is secured to the valve stem and the other end rests on which part? |
A. | Piston |
B. | Cylinder |
C. | Oil pan |
D. | Cylinder head |
Answer» C. Oil pan | |
4. |
The opening of valves is due to which motion of the rocker arm? |
A. | Tangential motion |
B. | Reciprocating motion |
C. | Oscillatory motion |
D. | Rotating motion |
Answer» D. Rotating motion | |
5. |
When the right end of the rocker arm is pushed up, the left end moves in which direction? |
A. | Upward |
B. | Parallel |
C. | Perpendicular |
D. | Downward |
Answer» E. | |
6. |
The rocker arm is pivoted at its centerusing which pin? |
A. | Fulcrum |
B. | Key |
C. | Cotter |
D. | Spigot |
Answer» B. Key | |
7. |
As the camshaft rotates, the cam pushes the follower, and push rod is moved in which direction? |
A. | Downward |
B. | Parallel |
C. | Upward |
D. | Horizontal |
Answer» D. Horizontal | |
8. |
The camshaft is rotated by which driving mechanism in cars? |
A. | Chain-drive |
B. | Belt-drive |
C. | Shaft-drive |
D. | Fluid drive |
Answer» C. Shaft-drive | |
9. |
Which of the parts mentioned below is not a part of the valve-gear mechanism? |
A. | Piston |
B. | Valve |
C. | Spring |
D. | Tappet |
Answer» B. Valve | |
10. |
The burnt gases escape from the engine by opening which valve? |
A. | Inlet |
B. | Non-return |
C. | Exhaust |
D. | Inlet port |
Answer» D. Inlet port | |
11. |
The fuel is admitted into the cylinder, by opening which valve? |
A. | Exhaust |
B. | Ball port |
C. | Inlet |
D. | Non-return |
Answer» D. Non-return | |
12. |
What is the function of the valve gear mechanism in the IC engine? |
A. | Only opening inlet and exhaust valve |
B. | Open and close the inlet and exhaust ports |
C. | Only closing inlet and exhaust valve |
D. | Open and close the inlet and exhaust valve |
Answer» E. | |