A. Gases
B. Solids
C. Liquids
D. Both B. and C.
A. Conduction only
B. Forced convection only
C. Forced convection and conduction
D. Free and forced convection
A. Loosing sensible heat
B. Heat transfer to surroundings
C. Vaporisation due to heat loss to air
D. Loosing latent heat
A. Square pitch
B. Triangular pitch
C. Diagonal square pitch
D. None of these
A. √(ΔT1 . ΔT2)
B. 2 (ΔT1 . ΔT2)/(ΔT1 + ΔT2)
C. 2 (ΔT1 . ΔT2)/(ΔT1 – ΔT2)
D. (ΔT1 – ΔT2)/(ΔT1 . ΔT2)
A. Strouhal number
B. Sherwood number
C. Euler number
D. Grashoff number
A. Molten sodium (a coolant used in fast breeder reactor)
B. Water
C. Transformer oil
D. Dilute H2SO4