Chemical Heat Transfer

A. Atmospheric
B. Sub-atmospheric
C. Negative
D. Very high

A. Thickness of the wall
B. Area of the wall perpendicular to heat flow
C. Material of the wall
D. Temperature difference between the two surfaces of the wall

A. 1
B. < 1
C. > 1
D. > 5

A. High viscosity liquid is to be cooled
B. Requirement of heat transfer area is low
C. Overall heat transfer co-efficient is very high
D. A corrosive liquid is to be heated

A. Decreases
B. Increases
C. Increases exponentially
D. Remain unaffected

A. Decreases
B. Increases
C. Remains unchanged
D. Increases exponentially

A. d2T/dZ2 > 0
B. d2T/dZ2 = 0
C. d2T/dZ2 < 0
D. dT/dZ = 0

A. Resistances in parallel
B. Capacitors in series
C. Resistances in series
D. None of these

A. 1
B. 1
D. None of these

A. High viscosity
B. High co-efficient of thermal expansion
C. Low temperature gradients
D. Low density change with temperature