1000+ Thermodynamics Quiz Questions and Answers - 1

Question: 1

The sequence of processes that eventually returns the working substance to its original state is known as

(A) thermodynamic cycle

(B) thermodynamic property

(C) process

(D) event

Question: 2

During throttling process

(A) enthalpy does not change

(B) entropy does not change

(C) pressure does not change

(D) internal energy does not change

Question: 3

Work done in a free expansion process is

(A) positive

(B) zero

(C) maximum

(D) minimum

Question: 4

Antifreeze chemicals are

(A) those which do not freeze at all

(B) those which lower down freezing points of liquids

(C) those which are added to refrigerants for better performance

(D) same as refrigerants

Question: 5

Sterling cycle consists of

(A) two isothermal and two constant volume processes

(B) two adiabatic and two constant pressure processes

(C) two adiabatic and two isentropic processes

(D) two isothermal and two adiabatic processes