Heat flux is the time rate of heat transfer per unit_______________?
Heat flux is the time rate of heat transfer per unit_______________?
A. Length
B. Area
C. Volume
D. None of these
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‘Fouling factor’ used in the design of a multipass shell and tube heat exchanger is a_____________________?
‘Fouling factor’ used in the design of a multipass shell and tube heat exchanger is a_____________________?A. Non-dimensional factor
B. Factor of safety
C. Conversion factor for individual film heat transfer co-efficient to overall heat transfer coefficient
D. None of these_____________ equation relates the thermal conductivity of a solid to its temperature ?
_____________ equation relates the thermal conductivity of a solid to its temperature ?A. Antoine
B. Kopp’s
C. Lee’s
D. Kistyakowsky____________ chart is known as transient heat conduction chart?
____________ chart is known as transient heat conduction chart?A. Dirhing’s
B. Heisler’s
C. Mollier’s
D. CoxHeat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is_______________?
Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is_______________?A. 0.2
B. 0.4
C. 0.6
D. 0.8The number of kg vaporised per kg of steam fed to the evaporator is defined as____________?
The number of kg vaporised per kg of steam fed to the evaporator is defined as____________?A. Capacity
B. Rate of evaporation
C. Economy
D. Rate of vaporisationRemoval of ______________ heat is involved in the condensation of a vapor under saturated conditions?
Removal of ______________ heat is involved in the condensation of a vapor under saturated conditions?A. Super
B. Sensible
C. Latent
D. Both B. & C.