Materials and Construction

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Question: Babbit metals used for making bearings are [A]. tin or lead based alloys. [B]. short of antifrictional properties. [C]. having homogenous microstructure. [D]. yellow metals. Answer: Option A Explanation: No answer description available for this question.

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Question: Maximum consumption of copper is in [A]. utensil manufacture. [B]. electrical industry. [C]. industrial equipment manufacture. [D]. small scale industries. Answer: Option B Explanation: No answer description available for this question.

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Question: A bearing metal should not have [A]. enough plasticity. [B]. low thermal conductivity. [C]. low co-efficient of friction. [D]. high toughness. Answer: Option B Explanation: No answer description available for this question.

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Question: Lead is [A]. not resistant to corrosion. [B]. used as a cathodic material. [C]. not used as pigment (in its compound forms) for paints. [D]. used as a shock absorber (in mattress form) between the foundation and steel framework…

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Question: Maximum consumption of lead is in the manufacture of [A]. storage batteries. [B]. solder alloys. [C]. electric cable sheathing. [D]. lead lined vessels. Answer: Option A Explanation: No answer description available for this question.

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Question: Lead [A]. is the hardest metal in common use. [B]. is the lightest metal in common use. [C]. can not be scratched by finger nails. [D]. can not be work hardened. Answer: Option D Explanation: No answer description available…

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Question: Zinc is not used [A]. for producing zinc base die casting alloys. [B]. in its oxide form as pigments. [C]. as anode for corrosion prevention in boiler. [D]. as an alloying element in various bronzes. Answer: Option D Explanation:…

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Question: Zinc is highly __________ at room temperature. [A]. ductile [B]. resistant to atmospheric corrosion [C]. malleable [D]. brittle Answer: Option B Explanation: No answer description available for this question.

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Question: Maximum consumption of zinc is in [A]. alloying [B]. galvanising [C]. utensil manufacture [D]. electrical industry Answer: Option B Explanation: No answer description available for this question.