A. Aluminium foil
B. Coal dust
C. Refractory bricks
D. Iron plates
Chemical Heat Transfer
Chemical Heat Transfer
A. Fourier’s law
B. Newton’s law of cooling
C. Fick’s law
D. None of these
A. Always less than h1
B. Always between h1 and h2
C. Always higher than h2
D. Dependent on metal resistance
A. Flows through the tube
B. Flows outside the tubes
C. Can flow either inside or outside the tubes
D. Should not be used as it gives very high pressure drop
A. r = 2k/h
B. r = k/h
C. r = k/2h
D. r = h/k
A. Concentrations
B. Chemical potentials
C. Activity co-efficients
D. Mass transfer co-efficients
A. Greater than that for un-insulated steam pipe
B. Less than that of the un-insulated steam pipe
C. Equal to that of the un-insulated steam pipe
D. Less than the steam pipe with 5 cms insulation
A. Economiser
B. Regenerator
C. Ceramic recuperator
D. None of these
A. Velocity of circulation
B. Liquor-film co-efficient
C. Both A. and B.
D. Neither A. and B.
A. (ΔT)2
B. (ΔT)4
C. (ΔT)3
D. √(ΔT)
