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A periodic variation in the speed of a governed engine due to inertia or friction in the
mechanism is called

A) Engine hunts B) Engine knocks
C) Engine torque D) Engine rpm

The exhaust manifolds are designed to avoid overlapping of exhaust strokes as far
as possible, this keep the back pressure to a

A) Maximum B) Same

C) Minimum D) Adequate

To install the piston in the cylinder, compress the ring in their groove so that they will
enter easily in the cylinder, it is done by

A) Ring expander B) Ring grinder

C) Ring compressor D) Ring groover

The shell diameter is made slightly greater than the diameter of the connecting rod
Bore is known as

A) Bearing Crush B) Bearing Spread
C) Bearing Conformability D) Bearing Metal
Use of plastigauge is to check

A) Valve clearance B) Piston clearance
C) Crankshaft end clearance D) Oil clearance

In petrol injection system, the fuel injector stays open during the intake cycle, this is
known as

A) Injector pulse width B) Injection timing

C) Delay period D) Port injection

What is the cause of Valve seat recession ?

A) Wearing of valve seat B) Increase the clearance
C) Wearing of valve stem D) Decrease the clearance

Which action would take, when a cylinder wall has become badly scored ?
A) Regrind the cylinder wall and fit with new piston

B) Regrind the cylinder wall and fit with old piston

C) Refit old piston with new piston rings

D) Refit new piston with new piston rings

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