Process Equipment And Plant Design - Study Mode

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[#111] Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

(A) 0 to 0.08

(B) 0 to 0.8

(C) 0 to 1.5

(D) 0 to 2.2

Correct Answer

(A) 0 to 0.08

[#112] Flanges are connected to pipes by

(A) Screwing

(B) Welding

(C) Brazing

(D) All of the above

Correct Answer

(D) All of the above

[#113] The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.

(A) Flat plate

(B) Hemispherical

(C) Torispherical

(D) Ellipsoidal

Correct Answer

(D) Ellipsoidal

[#114] The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

(A) 1

(B) < 1

(C) >1

(D) Equal to the order of reaction

Correct Answer

(C) >1

[#115] With increase in gas flow rate to fabric surface area ratio (Nm 3 /hr/m 2 fabric surface area), the size & the cost of a bag filter

(A) Increases

(B) Decreases

(C) Remain unaffected

(D) None of these

Correct Answer

(B) Decreases