MCQs: Lead is added to 60:40 brass primarily to improve_________________?
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MCQs: A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place_________________?
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MCQs: A material subjected ________________ must have high resilience?
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MCQs: An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________?
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MCQs: Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method?
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MCQs: Gas turbine normally employs a constant _______________ cycle?
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MCQs: Surface tension of a liquid_________________?
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MCQs: Boiler draught of 10 mm water column is equivalent to_____________________?
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MCQs: What is the range of tempering temperature (°C) for most of the materials ?
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MCQs: Heat transfer by ______________ is almost absent in case of fluidised bed drying operation?
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MCQs: The ‘laughing gas’ is__________________?
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MCQs: Regeneration of molecular sieve requires it to be heated to a temperature of about __________________ °C?
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MCQs: ____________________ metal is used as a bearing liner material?
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MCQs: Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?
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MCQs: The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?
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MCQs: Brazing filler metal used for joining steel plates_________________?
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MCQs: If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?
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MCQs: The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?
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MCQs: Ammonia gas can be dried by___________________?
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MCQs: ‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?
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