This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “An Overview of Reciprocating Engines”. 1. The top dead centre is the position of piston when it forms ____ volume in cylinder and bottom dead centre is the position of piston when it forms ____ volume in cylinder. a) largest, smallest b) smallest, … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Efficiencies in Steam Power Plant “. 1. In a gas power cycle, a) the working fluid is gas b) it does not undergo phase change c) engines which operate on gas cycle can be cyclic or non-cyclic d) all of the mentioned 2. … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Efficiencies in Steam Power Plant “. 1. The maximum work output that can be obtained per unit mass of steam is a) reversible and isobaric enthalpy drop in turbine b) reversible and isochoric enthalpy drop in turbine c) reversible and adiabatic enthalpy drop … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Thermodynamics of Coupled Cycles”. 1. The efficiency of a binary cycle is given by(here E=efficiency) a) E = (1-E1)(1-E2) b) E = 1 – (1-E1)(1-E2) c) E = 1 / (E1-1)(E2-1) d) none of the mentioned 2. For n cycles, overall efficiency would … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Binary Vapor Cycles”. 1. Which of the following fluid can be used in place of water? a) diphenyl ether b) aluminium bromide c) mercury d) all of the mentioned 2. Which of the following statement is true? a) only mercury has been used … Read more
This set of Thermodynamics assessment questions focuses on “Characteristics of an Ideal Working Fluid in Vapor Power Cycles”. 1. Which of the following statement is true about steam? a) the maximum temperature that can be used in steam cycles is 600 degree Celsius b) the critical temperature of steam is around 375 degree Celsius c) … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Reheat-Regenerative Cycle and Feedwater Heaters”. 1. The reheating of steam is used when the vaporization pressure is ____. a) low b) high c) both when low or high d) always 2. Why both reheating and regeneration is used together? a) the effect of … Read more
This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Ideal Regenerative Cycle and Regenerative Cycle”. 1. The mean temperature of heat addition can be increased by a) increasing the amount of heat supplied at high temperatures b) decreasing the amount of heat added at low temperatures c) both of the mentioned d) … Read more
This set of tough Thermodynamics Questions focuses on “Mean Temperature of Heat Addition and Reheat Cycle”. 1. In the Rankine cycle, heat is added reversibly at a) constant pressure and constant temperature b) constant pressure and infinite temperature c) infinite pressure and constant temperature d) infinite pressure and infinite temperature 2. The efficiency of Rankine … Read more
This set of tough Thermodynamics questions and answers focuses on “Actual Vapor Cycle Processes and Comparison of Rankine and Carnot Cycles”. 1. The thermal efficiency of the cycle is a) Q2 / Wnet b) Wnet / Q2 c) Wnet / Q1 d) Q1 / Wnet 2. Which of the following losses occur in a cycle? … Read more
