In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the ____________ variable?

A. Very limited flow ranges
B. Cryogenic flow measurements
C. Aerospace and in air borne applications
D. Both B. and C.

A. Heat content of the system
B. Liquid volume in the tank
C. Flow rate
D. Level of liquid

A. Open
B. Closed
C. Both A. and B.
D. Neither A. nor B.

A. Set point
B. Load
C. Both A. & B.
D. Neither A. nor B.

A. Average velocity
B. Maximum velocity
C. Point velocity
D. Static pressure

A. Wien’s law
B. Kirchoff’s law
C. Stefan-Boltzmann law
D. Seebeck effect