The unit of energy in S.I. units is________________?
The unit of energy in S.I. units is________________?
A. watt
B. joule
C. joule/s
D. joule/m
E. joule m.
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The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?A. Dual combustion cycle
B. Diesel cycle
C. Atkinson cycle
D. Rankine cycle
E. Stirling cycleThe energy of molecular motion appears as________________?
The energy of molecular motion appears as________________?A. heat
B. potential energy
C. surface tension
D. friction
E. increase in pressureAccording to first law of thermodynamics__________________?
According to first law of thermodynamics__________________?A. work done by a system is equal to heat transferred by the system
B. total internal energy of a system during a process remains constant
C. internal energy, enthalpy and entropy during a process remain constant
D. total energy of a system remains constant
E. entropy of a system remains constantAccording to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?
According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?A. Joule’s law
B. Boyle’s law
C. Regnault’s law
D. Gay-Lussac law
E. Charles’ lawThe unit of temperature in S.I. units is _________________?
The unit of temperature in S.I. units is _________________?A. Centigrade
B. Celsius
C. Fahrenheit
D. Kelvin
E. RankineThe ratio of two specific heats of air is equal to____________________?
The ratio of two specific heats of air is equal to____________________?A. 0.17
B. 0.24
C. 0.1
D. 1.41
E. 2.71