Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/2h r = 2k/h r = h/k r = k/h r = k/2h r = 2k/h r = h/k r = k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 2.36 120.36 4.36 Dependent on NRe only 2.36 120.36 4.36 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Facilitate removal of non-condensable gases Admit the feed Remove the product Create vacuum Facilitate removal of non-condensable gases Admit the feed Remove the product Create vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Liquid viscosity Hot surface temperature Liquid density Interfacial tension Liquid viscosity Hot surface temperature Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Brinkman number Stanton number Schmidt number Peclet number Brinkman number Stanton number Schmidt number Peclet number ANSWER DOWNLOAD EXAMIANS APP
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