Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell. Both B and C Not greater than Not less than one fifth of More than Both B and C Not greater than Not less than one fifth of More than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by (p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²)/πd 4(0.86p² - πd²/4)/πd (p² - πd²/4)/πd (4p² - πd²/4)/πd 4(0.86p² - πd²)/πd 4(0.86p² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/t pd/4t pd/3t pd/2t pd/t pd/4t pd/3t pd/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 5000 1000 10000 3000 5000 1000 10000 3000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Can accomodate less number of tubes for a given shell diameter Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Can accomodate less number of tubes for a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
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