41. The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the
42. Choose the most important factor on which the heat conducted through a wall in a unit time will depend on?
43. The actual temperature drop across the heating surface in an evaporator depends on the
44. Kg of liquid evaporated per hour in an evaporator is defined as its
45. Mechanical recompression evaporation is used in the production of
46. Reason for operating an evaporator in multiple effect is to secure
47. In the equation Q = UAΔt; Δt is
48. If Prandtl number is greater than the Schmidt number, then the
49. Pick out the wrong statement.
50. Grashoff number, which is defined as g.β(Ts - T∞) ρ2.L3/μ2, is proportional to the ratio of buoyancy force to __________ force.
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