Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Uneconomic LMTD Decrease in heat exchanger efficiency Excessive corrosion Its evaporation loss Uneconomic LMTD Decrease in heat exchanger efficiency Excessive corrosion Its evaporation loss ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Pressure difference between steam chest and vapour space Feed All of these Depth of liquid over heating surface Pressure difference between steam chest and vapour space Feed All of these Depth of liquid over heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Absorb or emit Both B & C Reflect Refract Absorb or emit Both B & C Reflect Refract ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Lube oil Water Aqueous solution Liquid metal Lube oil Water Aqueous solution Liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to viscous forces inertial to viscous forces. buoyancy to surface tension forces buoyancy to inertial forces buoyancy to viscous forces inertial to viscous forces. buoyancy to surface tension forces buoyancy to inertial forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam traps are provided in steam carrying pipelines to remove condensate and inert gases condense steam none of the listed here release excess steam pressure by bleeding steam. remove condensate and inert gases condense steam none of the listed here release excess steam pressure by bleeding steam. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS