Process Equipment and Plant Design Needle valves are generally not used for Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Running cost of steam for reboiler Running cost of cooling water for condenser Vapour & liquid load both Fixed charges initially Running cost of steam for reboiler Running cost of cooling water for condenser Vapour & liquid load both Fixed charges initially ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? Strength of the vessel is same irrespective of the diameter Smaller dia vessel Larger dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Smaller dia vessel Larger dia vessel Larger dia long vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.75 2.5 1.25 3.5 1.75 2.5 1.25 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is larger 3 times the thickness 6% of I.D. Either A or B, whichever is smaller Either A or B, whichever is larger 3 times the thickness 6% of I.D. Either A or B, whichever is smaller ANSWER DOWNLOAD EXAMIANS APP
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