Category Archives: Thermal Engineering MCQ

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Reciprocating Steam Engine – Theoretical Indicator Diagram”. 1. An indicator diagram shows _____ a) The variation of temperature of the steam and its pressure during the cycle of operations b) The variations of temperature and volume of steam during the cycle of … Read more

This set of Thermal Engineering Assessment Questions and Answers focuses on “Reciprocating Steam Engine – Parts, Working and Terminology – 2”. 1. In a reciprocating steam engine, the connecting rod is connected to the crank by means of a pin called _____ a) Crank pin b) Gudgeon pin c) Wrist pin d) U-pin 2. One … Read more

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Reciprocating Steam Engine – Parts, Working and Terminology – 1”. 1. The engine cylinder of a reciprocating steam engine is made of _____ a) Cast-iron b) Chromium c) Aluminum d) Speed steel 2. The engine cylinder of a reciprocating steam engine is … Read more

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Reciprocating Steam Engine – Definition and Classification”. 1. Which of the following statements are correct regarding reciprocating steam engines? a) It is a form of heat engine b) It converts heat energy to mechanical work c) It has high thermal efficiency d) … Read more

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Steam Condensers – Cooling Towers”. 1. What is the function of a cooling tower in a power plant? a) It cools the hot water coming back from the condenser b) It cools the hot water being supplied to the condenser c) It … Read more

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Steam Condensers – Air Pump”. 1. Which of these has a similar working mechanism to a compressor? a) Boiler b) Generator c) Nozzle d) Air Pump 2. The air pump that removes both air as well as condensate is called a Wet … Read more

This set of Thermal Engineering Questions and Answers for Campus interviews focuses on “Steam Condensers – Quantity of Cooling Water Required”. 1. Which of the following is the correct expression for finding out the quantity of cooling water required in jet condensers? a) mw= b) mw= c) mw= d) mw= 2. Which of the following … Read more

This set of Thermal Engineering Problems focuses on “Steam Condensers – Dalton’s Law of Partial Pressure”. 1. Dalton’s law of partial pressure states that the total pressure exerted by a mixture of gas and vapour is the sum of partial pressure of the gas and partial pressure of the vapour at the common temperature. a) … Read more

This set of Thermal Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Condenser and Vacuum Efficiency”. 1. What type of pump can be used for obtaining maximum vacuum in condensers? a) Air pump b) Centrifugal pump c) Steam pump d) Gear pump 2. What instrument is used to measure vacuum in the condensers. a) … Read more

This set of Thermal Engineering Questions and Answers for Entrance exams focuses on “Steam Condensers – Sources and Effects of Air Leakage”. 1. Which of the following statements is not a correct reason for inefficiency in surface condensers? a) Air leakage b) High resistance faced by the steam while entering c) Condensate undercooling d) Circulating … Read more