7000+ Engineering Thermodynamics Questions and Answers Pdf - 2

Question: 6

Which of the following gas can be used to measure the lowest temperatures?

(A) Nitrogen

(B) Hydrogen

(C) Oxygen

(D) Helium

Question: 7

A reversible process require that

(A) There should be no viscous or coulomb friction in the system

(B) Temperature of system and surroundings be equal

(C) Newton's law of viscosity be satisfied

(D) There be no heat transfer

Question: 8

Out of the following materials which may be expected to have higher value of thermal conductivity?

(A) Asbestos

(B) Nichrome

(C) Wood

(D) Clay

Question: 9

On Mollier chart, the flow through turbine is represented by

(A) Curved line convex down

(B) Curved line convex up

(C) Horizontal line

(D) Vertical line

Question: 10

The general gas equation is

(A) PV = RT

(B) PV = (RT)^m

(C) PVⁿ = constant

(D) PV = mRT