Q. Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

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Q. Power required for agitation depends upon the

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Q. Tube height in a calendria type evaporator is normally less than __________ metres.

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Q. Pick out the wrong statement.

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Q. For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

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Q. Cylinderical shell thickness of rotary drier is generally __________ mm.

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Q. The ratio of lateral strain to linear strain is termed as the

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Q. The distance between the centre of a rivet hole to the nearest edge of the plate is called

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Q. Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

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Q. A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

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Q. Lₑ/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

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Q. __________ heat exchanger is also known as 'hair pin type' exchanger,

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Q. What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

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Q. In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

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Q. Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

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Q. Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation

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Q. Lₑ/D for a Tee (used as elbow, entering run) would be around

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Q. Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

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Q. 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.

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Q. Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").

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