Thermodynamics Questions and Answers – Normal Shocks

This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Normal Shocks”.

1. Shock waves are highly localized irreversiblities in flow.
a) true
b) false
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2. Normal shocks can be treated as shock waves parallel to the flow.
a) true
b) false
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3.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
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4. When flow passes from supersonic to subsonic state,
a) pressure increases
b) velocity decreases
c) both of the mentioned
d) all of the mentioned
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5. The impulse function is given by
a) F = p*A + (density)*A*(V²)
b) F = p*A + (density)*A*V
c) F = p*A + (density)*A*sqrt(V)
d) none of the mentioned
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6. Fanno line represents the locus of points with same mass velocity and stagnation enthalpy.
a) true
b) false
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7. The end states of normal shock must ____ Fanno line.
a) lie below
b) lie above
c) lie on
d) none of the mentioned
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8. 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
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9. The impulse pressure(I) is given by
a) F/A
b) p + (density)(V²)
c) p + (G²)/(density)
d) all of the mentioned
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10. Rayleigh line represents the locus of states with same impulse pressure and mass velocity.
a) true
b) false
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Sanfoundry Global Education & Learning Series – Thermodynamics.
To practice all areas of Thermodynamics, here is complete set of 1000+ Multiple Choice Questions and Answers.

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