Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/h r = k/2h r = h/k r = 2k/h r = k/h r = k/2h r = h/k r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Tar Iron Nitrogen Coal Tar Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.1 < 0.5 > 0.6 0.5 < 0.1 < 0.5 > 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Pool Local Nucleate Saturated Pool Local Nucleate Saturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? 1 < 1 None of these > 1 1 < 1 None of these > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.4 20.8 20.4 40.8 40.4 20.8 20.4 40.8 ANSWER DOWNLOAD EXAMIANS APP
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