A model of a hydraulic turbine is tested at a head of 1/4th of that un – McqOptions

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1.	A model of a hydraulic turbine is tested at a head of 1/4th of that under which the full scale turbine works. The diameter of the model is half of that of the full scale turbine. If N is the RPM of the full scale turbine, then the RPM of the model will be
A.	N/4
B.	N/2
C.	N
D.	2N
Answer» D. 2N

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