MCQs: Which of the following properties of a solid is not dependent on crystal imperfection ?
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MCQs: The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
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MCQs: Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
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MCQs: The passage between the nozzle and the _______________________ is called ‘sprue’ in case of injection moulding?
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MCQs: The condition of diffraction from a crystal is given by______________?
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MCQs: The life of a ball bearing is inversely proportional to________________?
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MCQs: Corrosion rate cannot be lowered by reducing the ________________ of the corroding medium?
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MCQs: The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?
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MCQs: In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is______________________?
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MCQs: Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
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MCQs: For grinding of softer materials, the grinding wheel should have _________________ grain size ?
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MCQs: A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness ______________ metre?
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MCQs: Production of one ton of paper in Indian paper industry consumes about ____________ kWh of electricity ?
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MCQs: The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) ?
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MCQs: Exposure to _________________ accelerates the degradation of plastics?
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MCQs: Natural water contains approximately ______________ percent of heavy water?
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MCQs: If a solid is compressed adiabatically in its elastic range, its _____________ remains constant ?
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MCQs: At absolute zero temperature, for any reaction involving condensed phases ?
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MCQs: Insulation of liquid surface can be achieved by _____________ on top of its surface?
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MCQs: The activity co-efficient of the solute in a dilute solution ?
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