A. C/E
B. E/C
C. CE
D. 1/CE
Chemical Heat Transfer
Chemical Heat Transfer
A. Prandtl number
B. Grashoff number
C. Thermal conductivity
D. Viscosity
A. 25°C
B. 30°C
C. 35°C
D. 40°C
A. Twice
B. Four times
C. Square root of
D. Square of
A. IR
B. I2R
C. IR2
D. I2R2
A. Painting the surface black
B. Painting the surface white (with aluminium paint)
C. Giving the surface a mirror finish
D. Roughening the surface
A. Convection
B. Radiation
C. Conduction
D. All A., B. & C.
A. Temperature of the body only
B. Wavelength of monochromatic radiation
C. Both A. and B.
D. Nature of material of body
A. Film boiling
B. Nucleate boiling
C. Vapour binding
D. None of these
A. Temperature
B. Porosity
C. Both A. & B.
D. Neither A. nor B.
