This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Absolute Thermodynamic Temperature Scale”. 1. It is necessary to have a temperature difference to obtain work of any cycle. a) true b) false 2. The absolute thermodynamic temperature scale is also known as a) celsius scale b) kelvin scale c) fahrenheit scale d) … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Carnot Theorem, Carnot Cycle and Reversed Heat Engine”. 1. Carnot cycle is a reversible cycle. a) true b) false 2. A reversible cycle has following processes. a) 4 isothermal processes b) 4 adiabatic processes c) 2 isothermal and 2 adiabatic processes d) none … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Reversibility, Irreversibilty and causes of Irreversibilty”. 1. A reversible process is performed in such a way that a) at the conclusion of process, both system and surroundings can be restored to their initial states without producing any change b) it should not leave … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Refrigerator and Heat Pump”. 1. Which device maintains a body at a temperature lower than the temperature of the surroundings? a) PMM1 b) PMM2 c) refrigerator d) heat pump 2. What does a refrigerant do? a) absorbs the heat leakage into body from … Read more
This set of Thermodynamics Questions and Answers for experienced focuses on “Kelvin-Planck Statement and Clausius’ Statement of Second Law”. 1. According to Kelvin-Planck statement, it is ____ for a heat engine to produce net work in a complete cycle if it exchanges heat only with bodies at ____ a) impossible, single fixed temperature b) possible, … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Cyclic Heat Engine”. 1. The first law of thermodynamics doesn’t tell us whether a thermodynamic process is feasible or not. a) true b) false 2. According to Joule’s experiments, a) heat can be completely converted into work b) work can be completely converted … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Second Law of Thermodynamics”. 1. Heat is transferred to a heat engine from a furnace at a rate of 80 MW. If the rate of waste heat rejection to a nearby river is 50 MW, determine the net power output for this heat … Read more
This set of Thermodynamics Questions and Answers focuses on “Polytropic Process-2”. 1. A cylinder/piston contains air at 100 kPa and 20°C with a V=0.3 m^3. The air is compressed to 800 kPa in a reversible polytropic process with n = 1.2, after which it is expanded back to 100 kPa in a reversible adiabatic process. … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Polytropic Process-1”. 1. A polytropic process(n = − 1) starts with P = 0, V = 0 and ends with P= 600 kPa, V = 0.01 m3. Find the boundary work done. a) 1 kJ b) 2 kJ c) 3 kJ d) 4 … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Variable Flow Processes”. 1. Variable flow processes include a) filling up a gas cylinder b) evacuating a gas cylinder c) all of the mentioned d) none of the mentioned 2. The rate at which the mass of fluid within the control volume is … Read more
