State whether each of the following statements is true or false. (a) Changing the frame of reference
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State whether each of the following statements is true or false.
(a) Changing the frame of reference (or superposition of a velocity onto an existing flow) does not change the static enthalpy.
(b) Shock waves travel at sonic speed through a medium.
(c) In general, one can say that flow losses will show up as decrease in stagnation enthalpy.
(d) The stagnation process is one of constant entropy.
(e) A Mach cone does not exist for subsonic flow.
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Related Book For 
Fundamentals Of Gas Dynamics
ISBN: 9781119481690
3rd Edition
Authors: Robert D Zucker, Oscar Biblarz
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