Question 234Motor Plants - 1st Asst/Chief70% to pass
If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will_______________.
AI Explanation
The correct answer is A) produce excessive speed response to a load change.
When the compensating needle valve of a hydraulic governor is opened more than necessary, it reduces the damping of the governor's response to load changes. This causes the governor to overreact to load changes, resulting in an excessive speed response as the engine speed fluctuates excessively rather than stabilizing at the new governor setting. The other options are incorrect because opening the compensating needle valve more than necessary does not stabilize the engine speed, increase the deadband, or slow down the governor's response to load changes.
Related Questions
#232 A diesel generator governor is hunting. After changing the oil, the governor is flushed and the compensation needle valve is adjusted, but the hunting persists. You should NOW_______________.#233 The most common contaminate of governor hydraulic fluid is_______________.#235 A large change in ambient temperature, or using an oil of a viscosity different than the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the _______________.#236 Adjustments to the compensating needle valve in a hydraulic governor should be made with the engine at _______________.#237 If the speeder spring of a main propulsion diesel engine governor breaks while operating at full load, the engine RPM will_______________.