+1-315-636-4485
+91 98151-74050 
In this quiz, you will find questions related to thermodynamics, laws of thermodynamics, heat exchange, conversion of energy, etc.
Equilibrium state of a thermodynamic system is described by path variables. True or False?
For any gas the equation is state is PV=nRT. True or False?
Which of the following variables is intensive?
Which of the following is an extensive variable?
The product of an extensive and intensive variable is?
The temperatures of inside and outside of a refrigerator are 273 K and 303 K respectively. Assuming, that the refrigerator cycle is reversible, for every joule of work done, the heat delivered to the surrounding will be nearly:
An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62°C, its efficiency is doubled. Temperature of the source is:
A black body at a temperature of 227°C radiates heat at the rate of 20 cal m-2s-1. When its temperature rises to 727°C, the heat radiated will be
Directions: The following question has four choices out of which ONLY ONE is correct. Which of the following is incorrect regarding the first law of thermodynamics? A. It is not applicable to any cyclic process B. It is a restatement of the principle of conservation of energy C. It introduces the concept of the internal energy D. It introduces the concept of the entropy
A system X is neither in thermal equilibrium with Y nor with Z. The systems Y and Z
May be in thermal equilibrium
None of all
Cannot be in thermal equilibrium
Must be in thermal equilibrium
Which of the following macroscopic variable is not measurable?
None of all
Volume
Pressure
Mass
Which of the following is a state variable ?
Internal energy
Heat
Work
All of these
The internal energy of an ideal gas depends upon
Temperature
Specific volume
Pressure
Density
First law of thermodynamics states that
Heat is a form of energy
System has pressure
System has temperature
System can do work
At a given volume and temperature, the pressure of a gas
Varies inversely as its mass
Varies inversely as the square of its mass
Varies linearly as its mass
Is independent of its mass
