A. More
B. Less
C. Same
D. Unpredictable
Chemical Heat Transfer
Chemical Heat Transfer
A. Total heat transfer area of all the effects is -less than that in a single effect evaporator system
B. Total amount of vapor produced per Kg of feed steam in a multiple effect system is much
higher than in a single effect
C. Boiling point elevation in a single effect system is much higher than that in any effect in a
multi-effect system
D. Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect
system
A. ∞
B. 0
C. Equal to the difference between hot and cold fluids inlet temperature
D. Equal to the difference between hot fluid inlet temperature and cold fluid outlet temperature
A. Viscous
B. Elastic
C. Inertial
D. None of these
A. Hyperbolic
B. Parabolic
C. Linear
D. Logarithmic
A. Open pan
B. Long tube
C. Agitated film
D. None of these
A. 1/V̅ -0.8
B. V̅ -0.8
C. V̅ -2
D. 1/ V̅ -2
A. Increase very rapidly
B. Increase slowly
C. Decrease slowly
D. Remain unaffected
A. Saturated
B. Supersaturated
C. Under-saturated
D. All A., B. and C.
A. At high fluid velocity
B. At low velocity
C. When fluid flows past a smooth surface
D. None of these