What is the correct speed input to an ARPA used for traffic surveillance?

A:Ground speed B:Speed through water C:Speed from GPS D:Speed from Doppler

A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to _______.

A:decrease only B:increase only C:decrease slightly then returned to original speed D:increase slightly then returned to original speed

An over-speed trip stops a diesel engine when the engine ________.

A:runs out of fuel B:has low lubricating oil pressure C:exceeds a set maximum speed D:has high cooling water temperature

The flywheel reduces speed fluctuations by ________.

A:maintaining a constant rack setting B:storing kinetic energy C:maintaining equal exhaust pressure D:maintaining even camshaft speed

If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will _________.

A:decrease until the engine speed increases B:increase as the load increases C:decrease as the load D:increases remain unchanged

The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually________.

A:greater than the average exhaust manifold pressure B:less than the average exhaust manifold pressure C:greater at the turbine wheel than at the impeller D:greater at reduced engine speed

The operating speed of a turbocharger is directly dependent upon_____.

A:engine speed B:engine load C:intake manifold pressure D:atmospheric pressure

The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speedIn maintaining this relationship, the camshaft drive causes the camshaft to rotate at .

A:one half crankshaft speed in a two-stroke cycle diesel engine B:crankshaft speed in a two-stroke cycle diesel engine C:two times crankshaft speed in a two-stroke cycle diesel engine D:one-fourth times crankshaft speed in a four-stroke cycle diesel engine

Why a gearbox is needed in a ship driven by a medium-speed diesel engine? .

A:To reduce the main engine speed B:To increase the main engine speed C:To govern the main engine speed D:To fix the propeller shaft