3. For a Pelton turbine the pressure of the flow before the nozzle is 5 bar while the velocity of flow leaving the nozzle is 31m/s. If the speed of the turbine is 500 rpm and the wheel diameter is 1.5 m, the efficiency of the nozzle will be: a. 0.96 b. 0.97 c. 0.98 d. 0.99 e. None of the them.

3. For a Pelton turbine the pressure of the flow before the nozzle is 5 bar while the velocity of flow leaving the nozzle is 31m/s. If the speed of the turbine is 500 rpm and the wheel diameter is 1.5 m, the efficiency of the nozzle will be: a. 0.96 b. 0.97 c. 0.98 d. 0.99 e. None of the them.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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3. For a Pelton turbine the pressure of the flow before the nozzle is 5 bar while
the velocity of flow leaving the nozzle is 31m/s. If the speed of the turbine is
500 rpm and the wheel diameter is 1.5 m, the efficiency of the nozzle will be:
а. 0.96
b. 0.97
c. 0.98
d. 0.99
e. None of the them.

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3. For a Pelton turbine the pressure of the flow before the nozzle is 5 bar while the velocity of flow leaving the nozzle is 31m/s. If the speed of the turbine is 500 rpm and the wheel diameter is 1.5 m, the efficiency of the nozzle will be: а. 0.96 b. 0.97 с. 0.98 d. 0.99 e. None of the them.
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