Cpμ/K is termed as the ______________ number?
Cpμ/K is termed as the ______________ number?
A. Grashoff
B. Nusselt
C. Prandtl
D. Stanton
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In SI units, thermal conductivity is expressed in__________________?
In SI units, thermal conductivity is expressed in__________________?A. Watt/m.°K
B. Watt/m2. °K
C. Watt/m2. °K
D. Watt/m4. °K_____________ heat exchanger is used for chilling oil to be dewaxed?
_____________ heat exchanger is used for chilling oil to be dewaxed?A. U-tube
B. Double pipe
C. Fixed tube
D. Floating headTrap is used to remove ________________ from steam pipe lines?
Trap is used to remove ________________ from steam pipe lines?A. Steam
B. Condensate
C. Non-condensable
D. None of theseFourier’s law applies to the heat transfer by__________________?
Fourier’s law applies to the heat transfer by__________________?A. Convection
B. Radiation
C. Conduction
D. All A., B. & C.LMTD for counter-flow and parallel flow heat exchanger will be the same, when the_________________?
LMTD for counter-flow and parallel flow heat exchanger will be the same, when the_________________?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 theseFluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the_________________?
Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the_________________?A. Existence of thermal boundary layer
B. Temperature gradient produced due to density difference
C. Buoyancy of the bubbles produced at active nucleation site
D. None of these