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MCQs: A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about ____________________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be _________________ toys ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is ______________ °C?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Dislocation cross-slip is difficult in those materials, which have___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Cold chisel & hammers are made of_________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The cathode in an electrochemical cell always carries____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Multistage compression of air as compared to single stage compression offers the advantage of______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: _________________ can replace tungsten in high speed steel ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: In electrical resistance welding, distortion results from the use of improper________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Addition of ____________________ to steel does not help in improving its machinability?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Dew point temperature always gives an indication of the __________________ of the moist air ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system_________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Consumable electrodes are used in the ____________________ welding?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: An oxidation process is accompanied with decrease in the____________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: With decrease in the grain size of a material, its creep resistance___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: What is the percentage of chromium in 18-4-1 high speed steel ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Electrometallurgical methods of metal extraction is normally used for those metals___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________________ kJ ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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