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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MCQs: Hydrogen in liquid steels is dissolved_________________?
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MCQs: Nickel and ______________ are the alloying element added in steel to increase its toughness?
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MCQs: The lightest non-inflammable gas is_________________?
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