Q. The speed of an engine is seen to fluctuate Continuously above and below mean speed. The governor is said to be :

A
isochronous
B
hunting
C
over sensitive
D
unstable
Solution:

A governor is said to be hunt if the speed of the engine fluctuates continuously above and below the mean speed. This is caused by a too sensitive governor which changes the fuel supply by a large amount when a small change in the speed of rotation takes place.

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