7000+ Thermal Engineering Questions and Answers Pdf - 1

Question: 1

Which of the following is an intensive property of a thermodynamic system?

(A) Temperature

(B) Mass

(C) Energy

(D) Volume

Question: 2

The heating and expanding of a gas is called

(A) Thermodynamic law

(B) Thermodynamic process

(C) Thermodynamic system

(D) Thermodynamic cycle

Question: 3

Dryness fraction of steam is defined as

(A) $${Mass of dry steam} / {mass of dry steam + mass of water vapour in suspension}$$

(B) $${Mass of water vapour in suspension} / {mass of dry steam}$$

(C) $${Mass of dry steam}/{mass of water vapour in suspension}$$

(D) $${Mass of water vapour in suspension}/ {(mass of water vapour in suspension + mass of dry steam)}$$

Question: 4

The specific volume of water when heated at 0°C

(A) Increases steadily

(B) Decreases steadily

(C) First increases and then decreases

(D) First decreases and then increases

Question: 5

Which of the following is the extensive property of a thermodynamic system?

(A) Density

(B) Pressure

(C) Temperature

(D) Volume