Choose the correct statement with regard to inspection of the engine during driving.
A. It is normal for knocking to occur when the accelerator pedal is depressed and the vehicle accelerates
B. Knocking and pinging occur as a result of variations in fuel quality and do not constitute an engine abnormality
C. Poor fuel quality leads to failure of the engine to stop immediately when the key is moved to the OFF position, consequently, no maintenance need to be carried out in such a case
D. The engine's idling speed will increase by a light degree immediately after a cold engine has been started, it will drop as the engine warms up, and it will eventually reach the standard level
Answer: Option D
This Question Belongs to Automobile Engineering >> Maintenance And Troubleshooting In Automobile
Breakdown maintenance is done when
A. After breakdown
B. Just before the breakdown
C. Any time
D. None of the above
Accident chance is minimized in
A. Preventive maintenance
B. Breakdown maintenance
C. Accidental maintenance
D. Routine maintenance
A. The overall lubrication and repair work carried out by the maintenance section in advance of the machine coming to breakdown
B. The maintenance work for any fault noticed during the work
C. Done to prevent the maintenance of machines
D. None of the above
The type of bearing most commonly used for main bearings and connecting rod bearings is
A. Ball bearing
B. Plain bearing
C. Needle roller bearing
D. Taper roller bearing
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