Top 150+ Solved Thermal Engineering 1 MCQ Questions Answer

a. wet

b. superheated

c. remain dry saturated

d. dry

a. steam temperature remains constant

b. steam pressure remains constant

c. steam enthalpy remains constant

d. steam entropy remains constant

a. heat transfer takes place

b. work is done by the expanding steam

c. internal energy of steam changes

d. none of the above.

a. remains same

b. increases

c. decreases

d. behaves unpredictably

a. 40%

b. 25%

c. 50%

d. 80%

a. volume

b. pressure

c. entropy

d. enthalpy

a. pressure alone

b. temperature alone

c. pressure and temperature

d. pressure and dryness fraction

a. lowers the boiling point of a liquid

b. raises the boiling point of a liquid

c. .does not affect the boiling point of a liquid

d. reduces its volume

a. homogeneous mixture of two substances of same composition

b. a substance with constant chemical composition throughout its mass

c. both a. and b.

d. none of the above

a. solid phase

b. liquid phase

c. gaseous phase

d. all of the above

a. internal energy

b. entropy

c. thermal capacity

d. enthalpy

a. and its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm2

b. and its corresponding conversion into dry steam at desired boiler pressure

c. conversion into steam at atmospheric condition

d. conversion into steam at the same pres-sure at which feed water is supplied

a. horizontal fire-tube boiler

b. horizontal water-tube boiler

c. veritcal water-tube boiler

d. vertical fire tube boiler

a. stationary fire tube boiler

b. stationary water tube boiler

c. water tube boiler with natural/forced circulation

d. mobile fire tube boiler

a. 1-2 m

b. 1.5-2.5 m

c. 2-3 m

d. 2.5-3.5 m