GATE ME 2021 Set 2 — Question 33
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Fluid Mechanics → Compressible Flow → Speed of Sound & Mach Number
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Question
An object is moving with a Mach number of in an ideal gas environment, which is at a temperature of . The gas constant is and ratio of specific heats is . The speed of object is ________ m/s (round off to the nearest integer).
Correct answer
228 to 230
Solution
Given:
Mach number
Temperature
Gas constant
Ratio of specific heats The speed of sound in the gas is:The speed of the object is:Rounding to the nearest integer, we get .
Mach number
Temperature
Gas constant
Ratio of specific heats The speed of sound in the gas is:The speed of the object is:Rounding to the nearest integer, we get .
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