Top 350+ Solved Thermodynamics MCQ Questions Answer

a. 12.847 cu-m

b. 1.562 cu-m

c. 25.794 cu-m

d. 8.48 cu-m

e. 1.0 cm-m

a. will not change

b. decrease

c. Pulsejet

d. increase or decrease depending upon temperature ratio

e. increase

a. Thermodynamic cycle

b. Process

c. Zeroth law of thermodynamics

d. Event

e. Thermodynamic property

a. Work

b. Heat

c. Kinetic energy

d. Thermal conductivity

e. All of the above

a. Air stream is not able to follow the blade contour

b. Blades vibrate violently

c. Air stream flows with sonic velocity

d. Air stream blocks the passage

e. Blades fail due to creep

a. 5.33

b. 4.33

c. 3.33

d. 2.33

e. Pulsejet

a. Radiation heat flow only

b. Conduction heat flow only

c. No heat exchange

d. Heat exchange by all the three modes of heat transfer

e. Convective heat flow only

a. Carnot cycle

b. Stirling cycle

c. Ericsson cycle

d. Otto cycle

e. All of the above

a. Adiabatic

b. Polytropic pv1.35 = C

c. Polytropic pv1.3 = C

d. Polytropic pv1.31 = C

e. Isothermal

a. Pulsejet

b. ML2T

c. ML6T-2

d. ML3T-2

e. ML5T-2

a. On the temperature of both the source and the sink

b. On the temperature of the source only

c. On the temperature of the sink only

d. On the construction of engine

e. Working substance

a. For reduction of speed

b. For increasing speed

c. For starting in hot weather

d. For fuel economy

e. For starting in cold weather

a. Some heat transfer occurs

b. Entropy remains constant

c. Enthalpy remains constant

d. Internal energy remains constant

e. None of the above

a. Equal to Rankine cycle efficiency

b. More than Rankine cycle efficiency

c. Less than Rankine cycle efficiency

d. There is no comparison for the two

e. None of the above

b. Radiation

c. Conduction

d. microns

e. Convection