Chemical Heat Transfer

A. > 0.75
B. < 0.75
C. < 0.50
D. < 0.25

A. Give larger area per tube
B. Use metal fins of low thermal conductivity
C. Facilitate very large temperature drop through tube wall
D. Are used for smaller heat load

A. Long tube
B. Falling film
C. High pressure
D. None of these

A. D-1.8
B. D-0.2
C. D0.2
D. D1.8

A. Arithmetic
B. Logarithmic
C. Geometric
D. Either A. or C.

A. Tube layout
B. Tube diameter
C. Tube pitch
D. Number of baffles

A. Parallel
B. Mixed
C. Counter flow
D. Same in either A , B. or C.

A. Supersaturated
B. Saturated
C. Wet
D. None of these

A. More
B. Less
C. Some
D. Either more or less; depends on the nature of vapor

A. Iron
B. Coal
C. Nitrogen
D. Tar