Chemical Engineering Basics Mcqs

Q.  The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is__________________?

a. Magnesite
b. Chrome
c. Silica
d. Fireclay


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to__________________?
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MCQs:  Tempering of a material does not improve its____________________?
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MCQs:  In connection with corrosion of metals, passivation is the process that__________________?
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MCQs:  On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the ______________ of the input signal?
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MCQs:  Which of the following forces does not act on a fluid at rest ?
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MCQs:  Cold cracking in the heat affected zone of a high strength steel weld can take place because of the___________________?
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MCQs:  Moist climate is the most favourable factor in the site selection far a_________________?
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MCQs:  The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is__________________?
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MCQs:  Powder metallurgy is used to produce__________________?
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MCQs:  Primary designation of steel is based on its__________________?
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MCQs:  Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
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MCQs:  The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the____________________?
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MCQs:  The two elements required to form substitutional solid solution should not have___________________?
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MCQs:  ____________ test is the appropriate test to determine whether a material is ductile or brittle ?
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MCQs:  Fire refining process is employed in case of___________________?
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MCQs:  In chemical dehumidification of air___________________?
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MCQs:  Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
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MCQs:  One ton of refrigeration is not equivalent to the heat removal rate of ____________________?
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MCQs:  Which of the following commonly used condenser tube materials has the lowest thermal conductivity ?
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MCQs:  Change in volume of metals from absolute zero temperature to their melting points is___________________?
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