Heat Transfer The absorptivity of a body is equal to its emissivity at a particular temperature none of the listed here for circular bodies under thermal equilibrium at a particular temperature none of the listed here for circular bodies under thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping The top tube sheet floating and bottom tube sheet fixed Both the tube sheets floating The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets fixed The top tube sheet floating and bottom tube sheet fixed Both the tube sheets floating The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets fixed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By direct contact of hot flue gas with air None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall By direct contact of hot flue gas with air None of these By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas May increase or decrease depending on the type of gas Decreases Remains same Increases May increase or decrease depending on the type of gas Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is 0.1 >1 L < 1 0.1 >1 L < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Impart structural strength Increase the heating load Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Impart structural strength Increase the heating load Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
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