Question 493Motor Plants - Assistant Engineer
70% to passIf there is a 'clicking' sound in the valve compartment of a diesel engine, the cause may be _______________.
Aexcessive valve lash
Ba worn wrist pin
Cworn connecting rod bearings
Dall of the above
AI Explanation
You are correct, the answer is A) excessive valve lash. A clicking sound in the valve compartment of a diesel engine is typically caused by excessive clearance or "lash" between the valve stem and the rocker arm or pushrod. This allows the valve to move up and down without proper control, resulting in the characteristic clicking or tapping noise. The other options (B - worn wrist pin, C - worn connecting rod bearings) would not directly cause a clicking sound in the valve compartment. These issues would likely result in different engine noises or performance problems.
Related Questions
Q233:In a bypass type lubrication system for a diesel engine, the dirty oil line to t... Q6:The speed of the camshaft in a two-stroke cycle diesel engine, running at 950 RP... Q152:Which letter represents the exhaust gas exit point for the diesel engine shown i... Q249:The purpose of an oil mist detector in a main propulsion diesel engine is to war... Q499:When running a large, dual fuel, main propulsion diesel engine on heavy fuel, wh...
Ready to test your knowledge?
Take a Motor Plants - Assistant Engineer Practice ExamOfficial Resources