If ∆U and ∆W represent the increase in internal energy and work done by the system
If ∆U and ∆W represent the increase in internal energy and work done by the system respectively in a thermodynamical…
7 years ago
Thermodynamics
The internal energy change in a system that has absorbed 2 kcals of heat
The internal energy change in a system that has absorbed 2 kcals of heat and done 500J of work is:…
7 years ago
In thermodynamics processes which of the following statements is not true?
In thermodynamics processes which of the following statements is not true? Options (a) In an isochoric process pressure the temperature…
7 years ago
If Q, E and W denote respectively the heat added, change in internal energy
If Q, E and W denote respectively the heat added, change in internal energy and the work done in a…
7 years ago
A liquid boils when its vapour pressure equals
A liquid boils when its vapour pressure equals Options (a) The atmospheric pressure (b) Pressure of 76.0 cm column of…
7 years ago
An engine has an efficiency of 1/6. When the temperature of sink is reduced
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62⁰C, its efficiency is doubled.…
7 years ago
Amout of heat required to raise the temperature of a body through 1 K is called its
Amout of heat required to raise the temperature of a body through 1 K is called its Options (a) Water…
7 years ago
In a given process on an ideal gas, dW=0 and dQ<0. Then for the gas
In a given process on an ideal gas, dW=0 and dQ
7 years ago
Slope of PV and V for an isobaric process will be
Slope of PV and V for an isobaric process will be Options (a) negative (b) zero (c) positive (d) nRT…
7 years ago
Volume of gas becomes four times if temperature becomes
Volume of gas becomes four times if temperature becomes Options (a) Four times at constant pressure (b) One fourth at…
7 years ago