Heat Transfer Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) E/C CE C/E 1/CE E/C CE C/E 1/CE ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₂ - U₁ U₁ - U₂ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₂ - U₁ U₁ - U₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? none of the listed here Reynolds number Prandtl number Grashhoff number none of the listed here Reynolds number Prandtl number Grashhoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is Dependent on NRe only 88.66 3.66 1.66 Dependent on NRe only 88.66 3.66 1.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient Heat transfer area Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when A corrosive liquid is to be heated Overall heat transfer co-efficient is very high Requirement of heat transfer area is low High viscosity liquid is to be cooled A corrosive liquid is to be heated Overall heat transfer co-efficient is very high Requirement of heat transfer area is low High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP