This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Heat Pump System”. 1. A heat pump, a) extracts energy at low temperature heat source b) gives energy to high temperature heat source c) both of the mentioned d) none of the mentioned 2. Which of the following is true for a heat … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Absorption Refrigeration Cycle”. 1. In absorption refrigeration cycle, which of the following is used? a) refrigerant b) absorbent c) both of the mentioned d) none of the mentioned 2. In absorption system, compressor in vapour compression cycle is replaced by absorber-generator assembly. a) … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Vapor Compression Refrigeration Cycle-2”. 1. Which of the following statement is true for a condenser? a) it can be air-cooled or water-cooled b) small self-contained units use water-cooled condenser c) large installations use air-cooled condenser d) all of the mentioned 2. For an … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Vapor Compression Refrigeration Cycle-1”. 1. In vapour refrigeration cycle, which of the following is used for expansion? a) expansion engine b) throttling valve or capillary tube c) both of the mentioned d) none of the mentioned 2. Which of the following operations occur … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Reversed Heat Engine”. 1. Refrigeration is the cooling of any system below its surroundings temperature. a) true b) false 2. Dry ice is suitable for ____ temperature refrigeration. a) high b) low c) all range of d) none of the mentioned 3. A … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Aircraft Propulsion”. 1. Gas turbines are used in aircraft propulsion because a) they are light b) they are compact c) they have high power-to-weight ratio d) all of the mentioned 2. The type of aircraft gas turbines include a) turbojet b) turbofan c) … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Brayton Cycle-2”. 1. How can regeneration be used to improve the efficiency of Brayton cycle? a) the energy of exhaust gas can be used to heat up the air which leaves the compressor b) heat supplied from external source thus decreases c) the … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Brayton Cycle-1”. 1. A gas turbine power plant uses a) Otto cycle b) Rankine cycle c) Brayton cycle d) Diesel cycle 2. The Brayton cycle consists of a) two reversible isotherms and two reversible isobars b) two reversible isochores and two reversible adiabatics … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Diesel Cycle and Dual Cycle”. 1. In SI engines, a) air-fuel mixture is compressed b) compression ratio is limited c) both of the mentioned d) none of the mentioned 2. In CI engines, a) during compression stroke, only air is compressed b) compression … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Otto Cycle”. 1. The Otto cycle is the a) air standard cycle of CI engine b) air standard cycle of SI engine c) vapour power cycle of CI engine d) vapour power cycle of SI engine 2. In a four-stroke internal combustion engine, … Read more
