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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)
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 2RQ: The typical temperature relationship between a standard-efficiency air-cooled condenser and the...
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QUESTION 1 A 120-ton capacity chiller, based on a refrigeration cycle, is used to maintain a coolant temperature 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 O 381,675 O 1,821,675 O 120 QUESTION 2 A powerplant operates between a furnace at 990 deg. Fand cooling water delivered from a nearby river at 70 deg. F. What is the maximum possible efficiency of this powerplant, in %? Oa. 72.8% Ob. 27.2% Oc 92.9% Od.63.4% QUESTION 3 If 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. 2637.6 Ob.9000 Oc 2700 d. 791.3
Transcribed Image Text:QUESTION 1 A 120-ton capacity chiller, based on a refrigeration cycle, is used to maintain a coolant temperature 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 O 381,675 O 1,821,675 O 120 QUESTION 2 A powerplant operates between a furnace at 990 deg. Fand cooling water delivered from a nearby river at 70 deg. F. What is the maximum possible efficiency of this powerplant, in %? Oa. 72.8% Ob. 27.2% Oc 92.9% Od.63.4% QUESTION 3 If 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. 2637.6 Ob.9000 Oc 2700 d. 791.3
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