Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 80 180 8 1 80 180 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Unpredictable Same Higher Lower Unpredictable Same Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of D/5 or minimum 2" to 5D D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these D/5 or minimum 2" to 5D D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Both A & B Has greater structural strength Is easy to fabricate Neither A nor B Both A & B Has greater structural strength Is easy to fabricate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. Allowable None of these Damaging Working Allowable None of these Damaging Working ANSWER DOWNLOAD EXAMIANS APP
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