MCQs: In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as___________________?
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MCQs: The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?
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MCQs: Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?
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MCQs: In most of the shell and tube heat exchangers, the tube pitch is generally ______________ the tube diameter?
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MCQs: Movement of pipeline caused by thermal expansion is taken care by providing ___________________?
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MCQs: For a given fluid, as the pipe diameter increases, the pumping cost ____________________?
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MCQs: In a vertical short tube evaporator (Calandria type), the ______________________?
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MCQs: In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones; because the smaller diameter tubes ______________?
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MCQs: In a bag filter, the pressure drop increases directly as the___________________?
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MCQs: When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?
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MCQs: To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?
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MCQs: The distance between the centres of a rivet hole to the nearest edge of the plate is called _________________?
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MCQs: Which of the following types of reactors is the safest from operation point of view ?
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MCQs: Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around _________________?
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MCQs: Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the_____________________?
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MCQs: (Le/D) for a Tee (used as elbow, entering branch) would be ____________________?
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MCQs: A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design____________________?
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MCQs: In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to____________________?
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MCQs: The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends?
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MCQs: Pressure differential maintained across a continuous rotary vacuum filter is in the range of _______________ mm Hg column?
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