Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

A. Ammonia

B. Carbon dioxide

C. Freon

D. Brine

Correct Answer :

B. Carbon dioxide


Share this question with your friends
Show all Refrigeration & Air-Conditioning MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

The difference between dry bulb temperature and dew point temperature,… The process of under-cooling is generally brought about by Highest temperature encountered in refrigeration cycle should be If the evaporator temperature of a plant is lowered, keeping the condenser… Which of the following statement is wrong? The vapour pressure of refrigerant should be The curved lines on a psychrometric chart indicates One tonne of refrigeration (1TR) means that the heat removing capacity… A condenser of refrigeration system rejects heat at the rate of 120 kW,… The evolution of heat of solution takes place in ammonia absorption plant… In a vapour compression system, the condition of refrigerant before passing… The vapour compression refrigerator employs the following cycle The wet bulb temperature at 100% relative humidity is ________ dry bulb… Most air cooled condensers are designed to operate with a temperature… For ammonia refrigerating systems, the tubes of a shell and tube condenser… Moisture in Freon refrigeration system causes The C.O.P. of a Carnot refrigerator in winter will be _________ as compared… Which of the following refrigerant has the lowest boiling point? Ammonia absorption refrigeration cycle requires The dry bulb temperature lines, on the psychrometric chart are The dry bulb temperature during sensible heating of air In a refrigeration system, heat absorbed in comparison to heat rejected… The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy… Which of the following statement is correct for ammonia as a refrigerant? An Electrolux refrigerator is called a __________ absorption system. Pressure of water vapour is given by In a bootstrap air evaporative cooling system, the evaporator is provided Which of the following refrigerants has lowest freezing point? Refrigeration in aeroplanes usually employs the following refrigerant The colour of the flame of halide torch, in case of leakage of Freon refrigerant,…

Also checkout

Relationship based problems MCQ Current Affairs October 2022 MCQ Urinary Calculus Disease MCQ Current Affairs February 2023 MCQ Error Detection MCQ Compressors, Gas Turbines & Jet Engines MCQ Direct and Indirect Speech MCQ Nature and Scope of Biology MCQ Algae MCQ Genital trauma MCQ Transition Element MCQ Rearrangement Set 7 MCQ