Gas Turbines Questions and Answers – Dimensionless Performance Parameters

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Dimensionless Performance Parameters”.

1. Dimensional analysis can be used to compare gas turbines.
a) True
b) False
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2. Reynolds number is a __________ parameter.
a) constant
b) have dimension
c) dimensionless constant
d) none of the mentioned
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3. Power is expressed in ___________
a) Horsepower
b) Volts
c) Ohms
d) None of the mentioned
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4. Flow coefficient has no _______
a) value
b) dimension
c) flow coefficient is constant
d) none of the mentioned
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5. Pressure coefficient has ___________
a) no value
b) dimension
c) no dimension
d) none of the mentioned
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6. ____________ when expressed in the form of dimensionless quantity is known as flow coefficient.
a) Flow rate
b) Pressure
c) Flow rate & Pressure
d) None of the mentioned
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7. Mach number is a _________ parameter.
a) valued
b) dimensionless
c) valued & dimensionless
d) none of the mentioned
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8. Gas constants are classified under ________ dimension groups.
a) quasi
b) uni
c) multiple
d) none of the mentioned
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9. Corrected groups are __________ proportional to quasi dimension groups.
a) inversely
b) directly
c) not related
d) none of the mentioned
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10. Working fluid properties are present in scaling parameter groups.
a) True
b) False
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Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers.