LMTD for counter-flow and parallel flow heat exchanger will be the same, when the_________________?

Chemical Heat Transfer 25/04/2020

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

Related Mcqs:

    The thermal boundary layer at NPr > 1 ?
    A. Is thicker than hydrodynamic boundary layer B. Is thinner than hydrodynamic boundary layer C. And the hydrodynamic boundary layers are identical D. Disappears...
    A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in ______________ minutes?
    A. 10 B. > 10 C. < 10 D. Either B. or C., depends on the mass of the body...
    Nusselt number is a function of Prandtl number and ______________ number of fluid in natural convection heat transfer?
    A. Grashoff B. Biot C. Stanton D. Reynolds...
    In the free convection regime of pool boiling, the heat flux is proportional to__________________?
    A. Δt1/2 B. Δt2 C. Δt5/4 D. Δt...
    In case of a vertical tube evaporator, with increase in the liquor level, the ____________ is increased?
    A. Velocity of circulation B. Liquor-film co-efficient C. Both A. and B. D. Neither A. and B....

Leave a Reply

Your email address will not be published. Required fields are marked *