Chemical Engineering :: Process Equipment and Plant Design
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Power required for agitation depends upon the
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Tube height in a calendria type evaporator is normally less than __________ metres.
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Pick out the wrong statement.
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For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.
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In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)
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Optimum economic pipe diameter for fluid flow is determined by the
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Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.
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Vertical storage vessels are never supported by __________ support.
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In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be
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Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity)
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A.
Lug supports are less expensive than other type of supports.
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B.
A pipe is differentiated from a tube by the fact that a pipe has a greater wall thickness compared to the tube.
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C.
A reducer is used to change the direction of a pipe in a straight run.
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D.
The method of fixing tubes to a tube sheet by expanding is called 'tube rolling'.
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