A pump operates at 600 W, the mass flow rate of the liquid is 1 kg/s, at the inlet the fluid is stagnate, and velocity at exit is 12 m/s, the mechanical efficiency of the pump is: Select one: a. 0.90 b. 0.91 c. 0.92 d. 0.89

A pump operates at 600 W, the mass flow rate of the liquid is 1 kg/s, at the inlet the fluid is stagnate, and velocity at exit is 12 m/s, the mechanical efficiency of the pump is: Select one: a. 0.90 b. 0.91 c. 0.92 d. 0.89

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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Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.

Question

A pump operates at 600 W, the mass flow rate of the liquid is 1 kg/s, at the inlet the fluid is stagnate, and velocity at exit is 12 m/s, the mechanical efficiency of the pump is:

Select one:

a. 0.90

b. 0.91

c. 0.92

d. 0.89

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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