The auxiliary engines on the offshore supply vessel to which you are assigned are fitted with Roots-blowers as shown in the illustration. What statement is true concerning the timing gears as shown in figure "A"? Illustration MO-0135

Question

Accepted Answer

The timing gears are helically cut and ensure that the blower rotor lobes are properly spaced apart with a close tolerance.

Answer

The timing gears are helically cut and ensure that the blower is properly timed to the engine's crankshaft.

Answer

The timing gears are straight cut and ensure that the blower rotor lobes are properly spaced apart with a close tolerance.

Answer

The timing gears are straight cut and ensure that the blower is properly timed to the engine's crankshaft.

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