A. Molten sodium (a coolant used in fast breeder reactor)
B. Water
C. Transformer oil
D. Dilute H2SO4
Related Mcqs:
- Prandtl and Reynold’s analogies are identical for Prandtl number value of__________________?
A. 0
B. 0.5
C. 1
D. 5 - Prandtl and Reynolds analogy are same, when Prandtl number is____________________?
A. 0.5
B. 1
C. > 2
D. 1.5 - Which has the lowest Prandtl number ?
A. Liquid metal
B. Aqueous solution
C. Water
D. Lube oil - Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is_______________?
A. 0.2
B. 0.4
C. 0.6
D. 0.8 - For _______________ Prandtl number values, the heat conduction will be negligible in the buffer zone?
A. Extremely low
B. Low
C. High
D. No - 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 - Prandtl number is given by__________________?
A. CP μ/a
B. hD/k
C. CP μ/k
D. μ/h CP - Colburn analogy is applicable for the value of Prandtl number from_________________?
A. 0.001 to 1
B. 0.6 to 120
C. 0.5 to 5
D. 120 to 400 - Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is________________?
A. 0.1
B. > 1
C. < 1
D. 1 - If Prandtl number is greater than the Schmidt number, then the____________________?
A. Thermal boundary layer lies inside the concentration boundary layer
B. Concentration boundary layer lies inside the thermal boundary layer
C. Thermal & concentration boundary layers are of equal thickness
D. Hydrodynamic (i.e., momentum) boundary layer is thicker than the other two
