quiz Gas Dynamics MCQ Practice

corporate_fare Mechanical Engineering
school Bachelor of Science in Mechanical Engineering
19 Questions
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0 of 19 completed
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help Question 1
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What is the branch of fluid dynamics that deals with the behavior of gases, particularly under high-speed and compressible conditions?

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How the condensation affects the flow Mach number and pressure at supersonic speeds?

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Which of the following C-D nozzle has minimum divergence losses?

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In gas dynamics, what term describes the ratio of the speed of an object to the speed of sound in the surrounding medium?

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What type of gas flow occurs when the flow velocity is less than the speed of sound and disturbances propagate upstream?

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The gas stored in the reservoir having pressure 7 bar and temperature 300 K exhausts from the nozzle which has an exit area of 0.025 m2 to surroundings at velocity 570 m/s. The mass flow rate through the nozzle is 23 Kg/s and surrounding having pressure of 1 bar. Calculate the thrust produced by the nozzle.

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Which is the desired angle for a diffuser or diffuser walls?

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What will be the value of the characteristics Mach number for air if the local Mach number tends to reach infinity?

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Which kind of flow is observed cross the normal shock wave?

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If the piston moving inside the shock tube is having a velocity of 100 m/s with a shock wave being created having a density ratio 1.7 bar across it. Calculate the shock speed.

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For the shock wave reflection from the open end, which of the following condition is satisfied?

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When is flow considered to be compressible?

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What is true about a supersonic flow around a wedge?

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If the Mach number is increased keeping the same wall deflection angle, then what is going to happen to shock angle?

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What is true for smooth supersonic compression through weak shocks?

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What does the Prandtl-Meyer function physically represent in a turning flow?

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What is the shock wave angle of the reflected shock with respect to the horizontal, when a shock is reflected from the surface with shock wave angle given as β=40 and flow Mach number is 2?

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A uniform supersonic flow at Mach number 2 expands through two convex corners of 10° each. What is the angle of the second expansion fan?

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What is the result of the interaction between a normal shock and right running oblique shock?