QUESTION 1A 120-ton capacity chiller, based on a refrigeration cycle, is used to maintain a coolant temperature of 35 deg. F. The chillerexchanges heat to the surrounding air at 70 deg. F. This unit utilizes a 150 hp motor. What is the rate of heat removal from thecoolant, in Btu/hr?O1,440,000O 381,675O 1,821,675O 120QUESTION 2A powerplant operates between a furnace at 990 deg. Fand cooling water delivered from a nearby river at 70 deg. F. What is themaximum possible efficiency of this powerplant, in %?Oa. 72.8%Ob. 27.2%Oc 92.9%Od.63.4%QUESTION 3If fuel oil is supplied to a power plant furnace at a rate of 60,000 gallons/hr, and the oil has a heating value of 150,000 Btu/gallon,and the plant has a thermal efficiency of 30%, what is the power output of this plant (in MW)?Oa. 2637.6Ob.9000Oc 2700d. 791.3

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QUESTION 1 A 120-ton capacity chiller, based on a refrigeration cycle, is used to maintain a coolant termperature of 35 deg. F. The chiller exchanges heat to the surrounding air at 70 deg. F. This unit utilizes a 150 hp motor. What is the rate of heat removal from the coolant, in Btu/hr? O1,440,000 381,675 1,821,675 120

QUESTION 1 A 120-ton capacity chiller, based on a refrigeration cycle, is used to maintain a coolant termperature of 35 deg. F. The chiller exchanges heat to the surrounding air at 70 deg. F. This unit utilizes a 150 hp motor. What is the rate of heat removal from the coolant, in Btu/hr? O1,440,000 381,675 1,821,675 120

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

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 22RQ: Variable refrigerant flow systems sense the ______and _____of the refrigerant to determine the...

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