1000+ Mechanical Engineering Thermodynamics Questions & Answers Pdf - 1
Question: 1
Pipes are insulated so that
(A) heat loss from the surface is minimized
(B) capacity to withstand pressure is increased
(C) there is minimum corrosion
(D) they may not break under pressure
Ans: A
heat loss from the surface is minimized
Question: 2
A process which does not dissipate available energy is known as
(A) frictionless process
(B) ideal process
(C) isothermal process
(D) adiabatic process
Ans: B
ideal process
Question: 3
Balanced draft incorporates
(A) chimney draft only
(B) forced and induced draft
(C) induced draft
(D) forced draft
Ans: B
forced and induced draft
Question: 4
Which of the following is not a property of the system?
(A) work
(B) specific volume
(C) pressure
(D) temperature
Ans: A
work
Question: 5
Ericsson cycle processes are
(A) two adiabatic, constant volume and constant pressure
(B) two isothermal and two isentropic
(C) two isothermal and two constant volumes
(D) two isothermal and two constant pressures
Ans: D
two isothermal and two constant pressures
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