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Which one of these is the correct definition of strain energy?
Which one of these is the correct definition of strain energy?
- Proof resilience per unit volume of a material
- Energy stored in a body when strained upto the breaking of a specimen (correct)
- Maximum strain energy which can be stored in a body
- The product of stress, shear modulus, and volume
What is the critical speed of a shaft with a disc supported in between equal to?
What is the critical speed of a shaft with a disc supported in between equal to?
- The natural frequency of the system in longitudinal vibration provided the shaft is vertical
- The natural frequency of the system in transverse vibration (correct)
- The natural frequency of the system in longitudinal vibrations
- The natural frequency of the system in torsional vibrations
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, what happens to the energy stored in the later at the same speed?
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, what happens to the energy stored in the later at the same speed?
- It becomes one and a half times the first one
- It becomes four times the first one (correct)
- It becomes one fourth of the first one
- It becomes the same as the first one
What is the coefficient of fluctuation of speed for an engine with a speed range between 390 and 410 rpm in a cycle of operation?
What is the coefficient of fluctuation of speed for an engine with a speed range between 390 and 410 rpm in a cycle of operation?
Which one of these is the correct formula for calculating strain energy?
Which one of these is the correct formula for calculating strain energy?
Which one of these is the correct formula for calculating strain energy?
Which one of these is the correct formula for calculating strain energy?
What is the critical speed of a shaft with a disc supported in between equal to?
What is the critical speed of a shaft with a disc supported in between equal to?
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, what happens to the energy stored in the later at the same speed?
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, what happens to the energy stored in the later at the same speed?
What is the coefficient of fluctuation of speed for an engine with a speed range between 390 and 410 rpm in a cycle of operation?
What is the coefficient of fluctuation of speed for an engine with a speed range between 390 and 410 rpm in a cycle of operation?
Which one of these is the correct definition of strain energy?
Which one of these is the correct definition of strain energy?
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