Chemical Engineering Basics Mcqs

Q.  Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is_____________________?

a. 5CaO. 3 Al2O3
b. 3CaO. Al2O3
c. 3CaO. SiO2
d. 2CaO. SiO2


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?
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MCQs:  Which of the following metals reacts violently with water ?
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MCQs:  Steel is welded using the ________________ flame ?
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MCQs:  ________________ is a special constituent of chlorophyll without which photosynthesis is not possible ?
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MCQs:  The highest stress that a material can withstand for a specified length of time without excessive deformation is called the ____________ strength ?
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MCQs:  Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
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MCQs:  Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of__________________?
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MCQs:  Force between the molecules of the same substance is called ______________________ force?
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MCQs:  Quartz is a ________________ material ?
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MCQs:  The majority charge carriers in p-type silicon are______________________?
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MCQs:  Which of the following is the most suitable abrasive for grinding high tensile strength materials ?
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MCQs:  The noble metals________________?
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MCQs:  Unit of surface tension in S.I. unit is_________________?
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MCQs:  Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?
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MCQs:  Lead is poured into the joint between two _______________ pipes ?
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MCQs:  ______________ circuit is most commonly used to measure strain with the help of a strain gauge?
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MCQs:  Basic open hearth furnace (BOF) is not used for producing ______________ steel?
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MCQs:  Laser is a device to produce___________________?
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MCQs:  Which of the following is the most wear resistant grade of carbide used for the cutting tools ?
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MCQs:  Thermal efficiency of an internal combustion engine is around ______________ percent?
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