At one section in a constant-area duct the stagnation pressure is 66.8 psia and the Mach number is 0.80. At another section the pressure is 60 psia and the temperature is 120°F. Compute the temperature at the first section if the fluid is air.
A、551°R ;
B、453°R;
C、378°R;
D、659°R
发布时间:2025-08-16 00:06:07