ENGINE COMPONENTS - Practice Mode

1) What is the cause of excessive loading?

Fatigue failure Bearing spread Bearing crush Bearing struck

Correct Answer: Fatigue failure

2) What is the cause for uneven wear of bearings?

Bend twist Excessive lubrication No lubrication Over heat

Correct Answer: Bend twist

3) What is ovality of a crank shaft?

Difference in dia measured from top to bottom of a crank shaft outer dia Difference in dia measured thrust to non thrust across dia Difference in dia measured only at top Difference in dia measured only at bottom

Correct Answer: Difference in dia measured thrust to non thrust across dia

4) What is the type of hardening done on crank shaft?

Induction hardening Case hardening Surface hardening Curve hardening

Correct Answer: Induction hardening

5) What is ovality of a bore?

Difference in dia measured top to bottom Difference in dia thrust to non thrust side of cylinder Difference in dia measured only at top Difference in dia measured only at bottom

Correct Answer: Difference in dia thrust to non thrust side of cylinder

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