1000+Thermodynamics MCQ Questions and Answers - 1
Question: 1
The statement that energy can be neither created nor destroyed but only converted from one form to another, is known as
(A) avogadro’s hypothesis
(B) first law of thermodynamics
(C) kinetic theory of gases
(D) zeroth law of thermodynamics
Ans: B
first law of thermodynamics
Question: 2
The process or system that do not involve heat are called
(A) adiabatic process
(B) equilibrium processes
(C) thermal processes
(D) isothermal processes
Ans: A
adiabatic process
Question: 3
In an isothermal process
(A) change in internal energy is zero
(B) pressure remains constant
(C) volume remains constant
(D) temperature increases gradually
Ans: A
change in internal energy is zero
Question: 4
Diesel cycle processes are
(A) two constant pressure, one constant volume, one isentropic
(B) two isentropic, one constant volume one constant pressure
(C) two constant volume, one constant pressure, one isothermal
(D) isentropic, isothermal, constant volume, constant pressure
Ans: B
two isentropic, one constant volume one constant pressure
Question: 5
The extension and compression of a helical spring is an example of
(A) adiabatic process
(B) isothermal process
(C) reversible process
(D) thermodynamic cycle
Ans: C
reversible process
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