In free con-vection heat transfer, Nusselt number is function of________________?

Heat Transfer 25/12/2020

A. Grashoff no. and Reynold no
B. Grashoff no and Prandtl no.
C. Prandtl no. and Reynold no
D. Grashoff no., Prandtl no and Reynold no
E. none of the above

Related Mcqs:

    Unit of thermal conductivity in M.K.S. units is ___________________?
    A. kcal/kg m2 °C B. kcal-m/hr m2 °C C. kcal/hr m2 °C D. kcal-m/hr °C E. kcal-m/m2 °C...
    In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by ________________?
    A. hr (time) B. sqm (area) C. °C (temperature) D. cm (thickness) E. kcal (heat)....
    Unit of thermal diffusivity is_________________?
    A. m2/hr B. m2/hr°C C. kcal/m2 hr D. kcal/m.hr°C E. kcal/m2 hr°C...
    All radiations in a black body are___________________?
    A. reflected B. refracted C. transmitted D. absorbed E. partly reflected and partly absorbed...
    The amount of radiation mainly depends on___________________?
    A. nature of body B. temperature of body C. type of surface of body D. all of the above E. none of the above...

Leave a Reply

Your email address will not be published.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