Air from a reservoir is to be passed through a supersonic nozzle so that the jet will have a Mach Number of 2. If the static temperature of the jet is not to be less than \[27{}^\circ C,\] the minimum temperature of air in the reservoir should be:

Air from a reservoir is to be passed through a supersonic nozzle so th

1.	Air from a reservoir is to be passed through a supersonic nozzle so that the jet will have a Mach Number of 2. If the static temperature of the jet is not to be less than \[27{}^\circ C,\] the minimum temperature of air in the reservoir should be:
A.	\[48.6{}^\circ C\]
B.	\[167{}^\circ C\]
C.	\[267{}^\circ C\]
D.	\[367{}^\circ C\]
Answer» B. \[167{}^\circ C\]

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Air from a reservoir is to be passed through a supersonic nozzle so that the jet will have a Mach Number of 2. If the static temperature of the jet is not to be less than \[27{}^\circ C,\] the minimum temperature of air in the reservoir should be:

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