Explore topic-wise MCQs in Thermodynamics.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

Rayleigh line represents the locus of states with same impulse pressure and mass velocity.

A. true
B. false
Answer» B. false
Discussion
2.

The impulse pressure(I) is given by

A. F/A
B. p + (density)(V2)
C. p + (G2)/(density)
D. all of the mentioned
Answer» E.
Discussion
3.

Normal shocks can be treated as shock waves parallel to the flow.a) trueb) false 3.Within the mean free path of molecule, flow passes from

A. trueb) false 3.Within the mean free path of molecule, flow passes froma) supersonic state
B. false 3.Within the mean free path of molecule, flow passes froma) supersonic stateb) subsonic state
C. subsonic to supersonic state
D. supersonic to subsonic stateView Answer
Answer» C. subsonic to supersonic state
Discussion
4.

RAYLEIGH_LINE_REPRESENTS_THE_LOCUS_OF_STATES_WITH_SAME_IMPULSE_PRESSURE_AND_MASS_VELOCITY.?$

A. true
B. false
Answer» B. false
Discussion
5.

The impulse pressure(I) is given b?

A. F/A
B. p + (density)(V<sup>2</sup>)
C. p + (G<sup>2</sup>)/(density)
D. all of the mentioned
Answer» E.
Discussion
6.

Which of the following is true about adiabatic flow in constant area duct with friction?

A. it has constant G
B. it has constant ho
C. it follows Fanno line
D. all of the mentioned
Answer» E.
Discussion
7.

The end states of normal shock must ____ Fanno line.

A. lie below
B. lie above
C. lie on
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
8.

Fanno line represents the locus of points with same mass velocity and stagnation enthalpy.

A. true
B. false
Answer» B. false
Discussion
9.

The impulse function is given by

A. F = p*A + (density)*A*(V<sup>2</sup>)
B. F = p*A + (density)*A*V
C. F = p*A + (density)*A*sqrt(V)
D. none of the mentioned
Answer» B. F = p*A + (density)*A*V
Discussion
10.

When flow passes from supersonic to subsonic state,

A. pressure increases
B. velocity decreases
C. both of the mentioned
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
11.

Within the mean free path of molecule, flow passes from

A. supersonic state
B. subsonic state
C. subsonic to supersonic state
D. supersonic to subsonic state
Answer» E.
Discussion
12.

Normal shocks can be treated as shock waves parallel to the flow.

A. true
B. false
Answer» C.
Discussion
13.

Shock waves are highly localized irreversiblities in flow.

A. true
B. false
Answer» B. false
Discussion