10 .In a certain refrigeration system for low temperature application , a two- stage operation is desirable which employs ammonia system that serves a 30 ton evaporator at -30 °C.The system uses a direct contact cascade condenser and the condenser temperature is 40 °C. How much bigger is the mass of the high pressure loop compared to the mass of the low pressure loop?

10 .In a certain refrigeration system for low temperature application , a two- stage operation is desirable which employs ammonia system that serves a 30 ton evaporator at -30 °C.The system uses a direct contact cascade condenser and the condenser temperature is 40 °C. How much bigger is the mass of the high pressure loop compared to the mass of the low pressure loop?

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 4RQ: A typical temperature relationship between a high-efficiency condenser and the ambient temperature...

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