1000+ Thermodynamics Interview Questions and Answers Pdf - 3

Question: 11

For a closed system, the difference between the heat and to the system and the work done by the system is equal to the change in

(A) internal energy

(B) temperature

(C) enthalpy

(D) entropy

Question: 12

In an automobile the gear box is fitted between

(A) clutch and wheels

(B) differential and wheels

(C) engine and clutch

(D) clutch and differential

Question: 13

Which abrasive particle would you choose for grinding tungsten carbide tool inserts?

(A) diamond

(B) cubic boron carbide

(C) aluminium oxide

(D) silicon carbide

Question: 14

Which of the following represents unsteady uniform flow

(A) flow through a long pipe at constant rate

(B) flow through a long pipe at decreasing rate

(C) flow through an expanding tube at an increasing rate

(D) flow through an expanding tube at constant rate

Question: 15

A one dimensional flow is one which

(A) involves zero transverse component of flow

(B) takes place in straight lines

(C) is steady uniform flow

(D) is uniform flow