Category Archives: Refrigeration and Air Conditioning MCQ

This set of Refrigeration Quiz focuses on “Theoretical VCR with Dry Saturated Vapour after Compression – 2”. 1. Refrigerating effect corresponds to which of the following processes? a) Condensing process b) Vaporizing process c) Compression process d) Expansion process 2. What does the process 1-2 represent? a) Condensation b) Evaporation c) Compression d) Expansion 3. … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Theoretical VCR with Dry Saturated Vapour after Compression – 1”. 1. In vapor compression cycle having dry saturated vapor at the end of compression the work done is given by? H2 – Enthalpy of vapor after compression H1 – Enthalpy of vapor before … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Mechanism of Simple VCR System”. 1. A vapor compression refrigeration system is an improved type of air refrigeration system in which a suitable working substance, termed as refrigerant is used. a) True b) False 2. The vapor compression refrigeration system is similar to … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Regenerative Air Cooling System”. 1. Regeneration cooling system is a modification of _________ a) simple air cooling system b) simple evaporative cooling system c) boot-strap cooling system d) boot-strap evaporative cooling system 2. Cooling system used for supersonic aircrafts and rockets is? a) … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Boot – Strap Air Cooling System”. 1. In Boot-strap air cooling system how many heat exchangers are there? a) 1 b) 2 c) 3 d) 0 2. Which of the following is not a process in the T-s diagram of the Boot-strap air … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Simple Air Cooling System”. 1. Which one of the following is not a component of a simple air cooling system? a) Main compressor b) Cooling fan c) Heat exchanger d) Generator 2. For a simple air cooling system which one of the following … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Air Refrigerator Working on Bell-Coleman Cycle”. 1. Bell-Coleman cycle is also known as _____________ a) Carnot cycle b) Reversed Brayton or Joule’s cycle c) Rankine cycle d) Otto cycle 2. For a refrigerating system that works on Bell-Coleman cycle, which one of the … Read more

This set of Refrigeration Questions and Answers for Experienced people focuses on “Air Refrigerator Working on Reverse Carnot Cycle – 2”. 1. If a refrigeration system having T1 and T2 as lower and higher temperatures respectively then, what is the value of C.O.P of the refrigeration system working on the reversed Carnot cycle? a) T2 … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Air Refrigerator Working on Reverse Carnot Cycle – 1”. 1. For a refrigerating system that works on reversed Carnot cycle having vapor as refrigerant, which one of the following is not a process of the cycle in p-v diagram? a) Isentropic compression process … Read more

This set of Refrigeration Multiple Choice Questions & Answers (MCQs) focuses on “Vapour Refrigeration Cycles – Heat Pump”. 1. For a standard system with temperatures T1 and T2, where T1 < Ta < T2 (Ta – Atmospheric Temperature). Q1 is the heat extracted from a body at temperature T1, and Q2 is heat delivered to … Read more