Question

The functions of flywheel are:
A. To absorb excess energy during the power stroke
B. To provide extra energy over and above that developed by the engine
C. To serve sometimes as a pulley for transmitting engine power
D. To control the operation of cam shaft
E. To connect crankshaft with the final drive
Choose the correct answer from the options given below:

• A. A Only
• B. A, C Only
• C. A, B, C Only
• D. A, B, E Only

Hint:

Remember: flywheel stores energy and smoothens power delivery.
It is NOT involved in timing or final drive connection.
It may act as a pulley for belt drives.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
A flywheel is a mechanical device used to store rotational energy.
It is used in engines to smooth out the power pulses.

Step 2: Key Formula or Approach:
No specific formula.
Need to know the functions of a flywheel.

Step 3: Detailed Explanation:
A flywheel absorbs excess energy during the power stroke.
It provides extra energy during other strokes when the engine is not producing power.
The flywheel often serves as a pulley for power transmission.
It does not control the cam shaft (that is done by the timing mechanism).
It does not connect the crankshaft to the final drive (that is done by the clutch and gearbox).
Thus, functions A, B, and C are correct.

Step 4: Final Answer:
The correct functions of a flywheel are A, B, and C.
Hence, the correct option is (C).