MCQs: _______________ does not contain tin as an alloying material?
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MCQs: Cast iron is a ______________ material?
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MCQs: Presence of even 0.005% of _____________ in copper makes it highly brittle, rendering it useless for wire-drawing?
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MCQs: _____________ is added in low carbon steel to raise its yield point?
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MCQs: Age hardening is concerned with_________________?
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MCQs: Thermosetting polymers are_________________?
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MCQs: A material is called ‘ductile’, if it can be__________________?
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MCQs: A material capable of undergoing large permanent deformation, when subjected to tension is termed as___________________?
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MCQs: Corrosion involves exchange of electrons in ____________ corrosion?
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MCQs: Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its ______________________?
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MCQs: The main constituent of carborundum is ___________________ carbide?
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MCQs: Carbon tetrachloride can be stored in a storage vessel made of________________?
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MCQs: Approximate value of the modulus of elasticity for steel is about _____________ × 106kg/cm2?
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MCQs: Which of the following is the softest material ?
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MCQs: Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
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MCQs: Teflon (PTFE) is corroded by_______________?
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MCQs: Liners of a ball mill are never made of__________________?
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MCQs: Which of the following undergoes granular fracture ?
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MCQs: Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
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MCQs: Presence of manganese in alloy steel improves its___________________?
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