Q. 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.

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Q. Pick out the wrong statement.

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Q. The force due to wind load acting on a tall vessel depends upon its

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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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