A. Arithmetic
B. Logarithmic
C. Geometric
D. Either A. or C.
A. Low density
B. High viscosity
C. Partial ionisation
D. Dense structure
A. Highest in last effect
B. Lowest in last effect
C. Same in all effects
D. Dependent on the number of effects
A. Re and Pr
B. Re and Gr
C. Pr and Gr
D. Re and Sc
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. Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid)
B. Outlet temperature of both the hot and cold fluid are same
C. Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid
D. None of these
A. Plate type
B. Double pipe type with fin on steam side
C. Double pipe type with fin on air side
D. Shell and tube type