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Questions and Answers
What is the primary purpose of a revolution counter?
What is the primary purpose of a revolution counter?
- Acceleration
- None of these
- Displacement
- Speed (correct)
What is the main function of seismic transducers?
What is the main function of seismic transducers?
- Displacement
- Velocity
- Acceleration
- All of these (correct)
What does a DC tachometer measure?
What does a DC tachometer measure?
- None of these
- Speed of shaft (correct)
- Diameter of shaft
- Length of shaft
In which direction(s) can a tachometer encoder measure displacement?
In which direction(s) can a tachometer encoder measure displacement?
How many outputs does a tachometer typically have?
How many outputs does a tachometer typically have?
What does the polarity of the output in a DC tachometer indicate?
What does the polarity of the output in a DC tachometer indicate?
What does an RVDT stand for?
What does an RVDT stand for?
Which type of stress is not considered one of the basic types of stress?
Which type of stress is not considered one of the basic types of stress?
What is the SI unit of speed?
What is the SI unit of speed?
How is speed defined?
How is speed defined?
What controls the speed of a DC motor?
What controls the speed of a DC motor?
Into which energy signal does a position sensor convert the measured position in a servomechanism?
Into which energy signal does a position sensor convert the measured position in a servomechanism?
In an ideal air compressor cycle with clearance on a p-v diagram, how can the cycle be represented in terms of processes?
In an ideal air compressor cycle with clearance on a p-v diagram, how can the cycle be represented in terms of processes?
What happens to the thermal efficiency of a gas turbine for the optimum pressure ratio as the turbine inlet temperature increases?
What happens to the thermal efficiency of a gas turbine for the optimum pressure ratio as the turbine inlet temperature increases?
When the value of the index '«' is decreased, what typically happens to the volumetric efficiency of a compressor?
When the value of the index '«' is decreased, what typically happens to the volumetric efficiency of a compressor?
If atmospheric pressure is 1.03 kg/cm² and the vapor pressure is 0.03 kg/cm², what would be the air pressure?
If atmospheric pressure is 1.03 kg/cm² and the vapor pressure is 0.03 kg/cm², what would be the air pressure?
Which advantage does an axial flow compressor have over a centrifugal compressor?
Which advantage does an axial flow compressor have over a centrifugal compressor?
Which type of compressor does an axial flow compressor most closely resemble?
Which type of compressor does an axial flow compressor most closely resemble?
In a fighter bomber, which type of engine is typically used?
In a fighter bomber, which type of engine is typically used?
For a compressor to do the least work, which type of compression would be ideal?
For a compressor to do the least work, which type of compression would be ideal?
In a two-stage compressor, what happens to the optimum pressure if the compression index of the higher stage is greater than the lower stage?
In a two-stage compressor, what happens to the optimum pressure if the compression index of the higher stage is greater than the lower stage?
What is the maximum pressure ratio of an actual single-stage centrifugal compressor typically around?
What is the maximum pressure ratio of an actual single-stage centrifugal compressor typically around?
In an irreversible gas turbine cycle, what factors do both efficiency and work ratio depend on?
In an irreversible gas turbine cycle, what factors do both efficiency and work ratio depend on?
For a slow-speed large capacity compressor, which type of valve would be best suited?
For a slow-speed large capacity compressor, which type of valve would be best suited?
Why is clearance volume essential in actual reciprocating compressors?
Why is clearance volume essential in actual reciprocating compressors?
How is compression efficiency typically compared?
How is compression efficiency typically compared?
In a compressor, what should the cylinder clearance ideally be?
In a compressor, what should the cylinder clearance ideally be?
What is the primary purpose of a diffuser in a compressor?
What is the primary purpose of a diffuser in a compressor?
During base load operation, the best method of controlling a compressor is through:
During base load operation, the best method of controlling a compressor is through:
How can the efficiency of a gas turbine be increased?
How can the efficiency of a gas turbine be increased?
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