Pick out the correct statement.
(A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F
(B) In steady state heat conduction, the only property of the substance which
determines the temperature distribution, is the thermal conductivity
(C) In unsteady state heat conduction, heat flows in the direction of
temperature rise
(D) In heat transfer by forced convection, Grashoff number is very important
(A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F
(B) In steady state heat conduction, the only property of the substance which
determines the temperature distribution, is the thermal conductivity
(C) In unsteady state heat conduction, heat flows in the direction of
temperature rise
(D) In heat transfer by forced convection, Grashoff number is very important