Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its High film co-efficient High latent heat Low cost Non-corrosive condensate High film co-efficient High latent heat Low cost Non-corrosive condensate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Very accurate flow control High pressure throttling service Very large diameter pipes Smaller sizes of pipe Very accurate flow control High pressure throttling service Very large diameter pipes Smaller sizes of pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Creating turbulence Enhancing mixing rate Avoiding vortex formation Relieving excess pressure Creating turbulence Enhancing mixing rate Avoiding vortex formation Relieving excess pressure ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves Around 7 Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves Around 7 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam ANSWER DOWNLOAD EXAMIANS APP
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