 # Mechanical Engineering Questions And Answers :: Thermodynamics: part1 Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

 1.General gas equation is PV=nRT PV=mRT PV = C PV=KiRT Cp-Cv = Wj ANSWER : : PV=mRT Explanation :
 2.The unit of energy in S.I. units is watt joule joule/s joule/m joule m. ANSWER : : joule Explanation :
 3.No liquid can exist as liquid at - 273 �K vacuum zero pressure centre of earth in space. ANSWER : : zero pressure Explanation :
 4.The unit of length in S.I. units is meter centimeter kilometer millimeter. opt 5 ANSWER : : meter Explanation :
 5.According to GayLussac law for a perfect gas, the absolute pressure of given mass varies directly as temperature absolute absolute temperature, if volume is kept constant volume, if temperature is kept constant remains constant,if volume and temperature are kept constant. ANSWER : : absolute temperature, if volume is kept constant Explanation :

More Thermodynamics QUESTIONS AND ANSWERS available in next pages

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