f. A water-jacketed compressor receives 140 L/s air at 100 kPa and 21 deg C and discharges the air at 140 deg C. Cooling water entering at 16 deg C and leaving at 21 deg C is circulated at the rate of 0.18 L/s. Determine the power required for the driving motor for this compressor, assuming the friction losses with rotating parts account to 5% of the total power required. a. 10 kW b. 15 kW c. 20 kW d. 25 kW
f. A water-jacketed compressor receives 140 L/s air at 100 kPa and 21 deg C and discharges the air at 140 deg C. Cooling water entering at 16 deg C and leaving at 21 deg C is circulated at the rate of 0.18 L/s. Determine the power required for the driving motor for this compressor, assuming the friction losses with rotating parts account to 5% of the total power required. a. 10 kW b. 15 kW c. 20 kW d. 25 kW
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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f. A water-jacketed compressor receives 140 L/s air at 100 kPa and 21 deg C and discharges the air at 140 deg C. Cooling water entering at 16 deg C and leaving at 21 deg C is circulated at the rate of 0.18 L/s. Determine the power required for the driving motor for this compressor, assuming the friction losses with rotating parts account to 5% of the total power required.
a. 10 kW
b. 15 kW
c. 20 kW
d. 25 kW
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