Chemical Engineering Basics Mcqs


Q.  The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?

a. 0.2
b. 0.4
c. 0.6
d. 0.8


ANSWER: See Answer
 
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MCQs:  Angular displacement can be measured suitably by a______________________?
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MCQs:  The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?
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MCQs:  Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?
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MCQs:  Evaporative cooling process employs a combination of cooling and humidification in which the____________________?
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MCQs:  Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?
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MCQs:  Which of the following fastening devices has a head at one end and a nut fitted to the other ?
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MCQs:  The elastic strain in copper is due to the__________________?
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MCQs:  Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the ______________ temperature of air?
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MCQs:  Factor of safety in machine design is defined as the ratio of ultimate stress to _____________ stress ?
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MCQs:  The starting of a car takes time in winter, because the__________________?
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