Determine the Actual Torque Required, TA

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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A hydraulic vane pump running at 1800 rpm develops 2 L/s flow at 750 kPa. Volumetric
efficiency is .85 and overall efficiency is 0.8. Determine the Actual Torque Required, TÀ (N-
m). (Hint: first calculate the mechanical efficiency and theoretical flow rate. Convert rpm to
rad/s).
O 10.6 N-m
O 9.94 N-m
O 8.01 N-m
O 9.35 N-m
O 8.85 N-m
Transcribed Image Text:A hydraulic vane pump running at 1800 rpm develops 2 L/s flow at 750 kPa. Volumetric efficiency is .85 and overall efficiency is 0.8. Determine the Actual Torque Required, TÀ (N- m). (Hint: first calculate the mechanical efficiency and theoretical flow rate. Convert rpm to rad/s). O 10.6 N-m O 9.94 N-m O 8.01 N-m O 9.35 N-m O 8.85 N-m
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