The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). None of these Equal to Less than More than TRUE ANSWER : ? YOUR ANSWER : ?
In a free expansion process Work done is zero but heat increases Heat transfer is zero Both (A) and (B) above Work done is zero TRUE ANSWER : ? YOUR ANSWER : ?
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as Thermodynamic law Thermodynamic process Thermodynamic cycle None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Adiabatic expansion Throttling Hyperbolic expansion Free expansion TRUE ANSWER : ? YOUR ANSWER : ?
The mass of excess air supplied is equal to (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen TRUE ANSWER : ? YOUR ANSWER : ?
Reversed joule cycle is called Rankine cycle Brayton cycle Carnot cycle Bell Coleman cycle TRUE ANSWER : ? YOUR ANSWER : ?
The processes occurring in open system which permit the transfer of mass to and from the system, are known as None of the listed here Flow processes Non-flow processes Adiabatic processes TRUE ANSWER : ? YOUR ANSWER : ?
Isochoric process is one in which All parameters remain constant Very little mechanical work is done by the system No mechanical work is done by the system Free expansion takes place TRUE ANSWER : ? YOUR ANSWER : ?
Water contained in a beaker can be made to boil by passing steam through it At atmospheric pressure Any pressure Not possible At a pressure greater than atmospheric pressure TRUE ANSWER : ? YOUR ANSWER : ?
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Enthalpy Temperature Entropy Internal energy TRUE ANSWER : ? YOUR ANSWER : ?