Mechanical Engineering Exam > Mechanical Engineering Questions > A governor is said to be1. sensitive when it ...
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A governor is said to be
1. sensitive when it readily responds to small change in speed
2. isochronous if it has no sensitivity
3. hunting if it is too sensitive
which of these statements is/are true?
1. sensitive when it readily responds to small change in speed
2. isochronous if it has no sensitivity
3. hunting if it is too sensitive
which of these statements is/are true?
- a)1 only
- b)1 and 2
- c)1 and 3
- d)2 and 3
Correct answer is option 'C'. Can you explain this answer?
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A governor is said to be1. sensitive when it readily responds to small...
Governor Sensitivity and Isochronous Operation
Governors are devices that regulate the speed of engines by controlling the fuel or steam flow. They are used in applications such as power plants, generators, and engines. The operation of a governor can be described in terms of its sensitivity and isochronous performance.
1. Sensitivity
A governor is said to be sensitive when it responds readily to small changes in speed. This means that the system has a high degree of responsiveness and can adjust quickly to changes in load or speed. A sensitive governor is desirable in applications where precise speed control is required, such as in turbines and generators.
2. Isochronous Operation
A governor is said to be isochronous when it has no sensitivity. This means that the system maintains a constant speed regardless of changes in load or speed. Isochronous governors are used in applications where a constant speed is required, such as in some types of engines and generators.
3. Hunting
A governor is said to be hunting if it is too sensitive. Hunting refers to the oscillation or fluctuation of the governor's control mechanism as it tries to maintain a constant speed. Hunting is undesirable as it can cause excessive wear and tear on the engine or generator, and can also result in inefficient operation.
Correct Answer: C (1 and 3)
Option 1 is true because a sensitive governor responds readily to small changes in speed.
Option 3 is true because a hunting governor is too sensitive and oscillates or fluctuates as it tries to maintain a constant speed.
Governors are devices that regulate the speed of engines by controlling the fuel or steam flow. They are used in applications such as power plants, generators, and engines. The operation of a governor can be described in terms of its sensitivity and isochronous performance.
1. Sensitivity
A governor is said to be sensitive when it responds readily to small changes in speed. This means that the system has a high degree of responsiveness and can adjust quickly to changes in load or speed. A sensitive governor is desirable in applications where precise speed control is required, such as in turbines and generators.
2. Isochronous Operation
A governor is said to be isochronous when it has no sensitivity. This means that the system maintains a constant speed regardless of changes in load or speed. Isochronous governors are used in applications where a constant speed is required, such as in some types of engines and generators.
3. Hunting
A governor is said to be hunting if it is too sensitive. Hunting refers to the oscillation or fluctuation of the governor's control mechanism as it tries to maintain a constant speed. Hunting is undesirable as it can cause excessive wear and tear on the engine or generator, and can also result in inefficient operation.
Correct Answer: C (1 and 3)
Option 1 is true because a sensitive governor responds readily to small changes in speed.
Option 3 is true because a hunting governor is too sensitive and oscillates or fluctuates as it tries to maintain a constant speed.
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A governor is said to be1. sensitive when it readily responds to small change in speed2. isochronous if it has no sensitivity3. hunting if it is too sensitivewhich of these statements is/are true?a)1 onlyb)1 and 2c)1 and 3d)2 and 3Correct answer is option 'C'. Can you explain this answer?
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