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

Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially _____.

A:increase B:decrease C:fluctuate D:remain constant

Compared to a constant pitch propeller, a controllable pitch propeller _____.

A:more efficiently uses available engine power B:operates at a lower efficiency at a fixed speed C:produces the same torque at lower engine power D:develops its rated power at a lower speed

On a diesel engine equipped with an isochronous governor, if the “speed droop ” control is reduced to the “zero ” setting, the engine _____.

A:speed will drop drastically with any increase in load B:will stop due to zero fuel supply C:will stall upon application of load D:speed will remain fairly constant despite load changes

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

An increase in the load on a turbocharged diesel engine operating at constant speed will result in an increase in __________.

A:exhaust B:air box pressure C:brake main effective pressure D:all of the above

The speed of the turbocharger for a four-stroke/cycle diesel engine driving a generator at constant speed depends on the __________.

A:engine speed B:kilowatt load C:fuel injection pressure D:air intake manifold temperature

Compensated flow control or constant flow valves are used in hydraulic systems to .

A:compensate for major leaks in the system B:maintain the original fluid viscosity C:allow for changes in pressure and temperature within the system D:assure constant fluid temperature