Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/5 (1.2)5/3 (1.2)2/3 (1.2)3/2 (1.2)3/5 (1.2)5/3 (1.2)2/3 (1.2)3/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical vessels are not supported by Brackets Saddles Columns Skirts Brackets Saddles Columns Skirts ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 450 750 650 250 450 750 650 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is More Cither A or B; depends upon the I.D. of the pipe Same Less More Cither A or B; depends upon the I.D. of the pipe Same Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Tall (say 30 metres), but is full of liquid Tall but empty Short (< 2 m) and housed indoor None of these Tall (say 30 metres), but is full of liquid Tall but empty Short (< 2 m) and housed indoor None of these ANSWER DOWNLOAD EXAMIANS APP
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