Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/h r = k/2h r = 2k/h r = h/k r = k/h r = k/2h r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Increases May increase or decrease ; depending on temperature Remains unchanged Decreases Increases May increase or decrease ; depending on temperature Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2hi/K K/h0 2K/h0 hi/K 2hi/K K/h0 2K/h0 hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f/2 f/4 2f f f/2 f/4 2f f ANSWER DOWNLOAD EXAMIANS APP
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