A vapour compression plant uses R-12 and is to develop 5 tonnes of refrigeration. The condenser and evapourator temperatures are to be 40°C and -10°C respectively. Determine (a) The refrigerant flow rate in kg/sec. (b) The volume flow rate handled by the compressor in m/sec (c) The compressor discharge temperature (d) The pressure ratio (e) The heat rejected to the condenser in kW (f) COP and (g) the Power required to drive the compressor.

A vapour compression plant uses R-12 and is to develop 5 tonnes of refrigeration. The condenser and evapourator temperatures are to be 40°C and -10°C respectively. Determine (a) The refrigerant flow rate in kg/sec. (b) The volume flow rate handled by the compressor in m/sec (c) The compressor discharge temperature (d) The pressure ratio (e) The heat rejected to the condenser in kW (f) COP and (g) the Power required to drive the compressor.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A vapour compression plant uses R-12 and is to develop 5 tonnes of
refrigeration. The condenser and evapourator temperatures are to be 40°C and
-10°C respectively. Determine (a) The refrigerant flow rate in kg/sec. (b) The volume
flow rate handled by the compressor in m3/sec (c) The compressor discharge
temperature (d) The pressure ratio (e) The heat rejected to the condenser in kW
(f) COP and (g) the Power required to drive the compressor.

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