Timing Chains Are Being Discussed

question 38

Multiple Choice

Timing chains are being discussed. Technician A says that timing chains can be checked by measuring chain deflection. Technician B says that rotating the crankshaft without camshaft movement while the engine is still together can indicate the amount of wear. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Aerobic Fitness

The ability of the heart and lungs to supply oxygen to the muscles during prolonged physical activity, indicating cardiovascular health.

Resting Blood Pressure

The pressure in the arteries when the heart rests between beats, providing a baseline measure of heart health.

Resting Heart Rate

The number of heartbeats per minute when a person is at rest, an important measure of cardiac health and fitness.

Aerobic Fitness

The capacity of the heart, lungs, and blood vessels to supply oxygen-rich blood to working muscles during extended physical activity, enhancing endurance.