Chemical Heat Transfer

A. Continues to increase
B. Continues to decrease
C. Goes through a minimum
D. Goes through a maximum

A. Is a dimensionless quantity
B. Does not provide a safety factor for design
C. Accounts for additional resistances to heat flow
D. None of these

A. Remains unchanged
B. Increases
C. Increases or decreases depending on number of shell passes
D. Decreases

A. J/M2°K
B. W/m2°K
C. W/m°K
D. J/m°K

A. Double pipe
B. Plate fine
C. Series and parallel set of shell and tube
D. None of these

A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the solid

A. Get economical temperature difference by using moderate pressure steam
B. Facilitate forward feeding in multiple effect evaporation
C. Concentrate heat sensitive materials
D. Achieve very high concentration of the final product

A. Capacity
B. Rate of evaporation
C. Economy
D. Rate of vaporisation

A. Laminar
B. Transition
C. Both A & B
D. Highly turbulent

A. Reynolds number
B. Prandtl number
C. Grashoff number
D. None of these