Q1. Cryogenic rocket engines find applications in (1995) (a) sub-marine propulsion(b) frost-free refrigerators(c) rocket technology(d) researches in superconductivity Ans. (c) Exp. Cryogenic engines find applications in rocket technology. A cryogenic…
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Q1. Which one of the following polymers is widely used for making bullet proof material? (1995) (a) Polyvinyl chloride (b) Polyamides (c) Polyethylene (d) Polycarbonates Ans. (d) Exp. Polymers widely…
Preparing for the UPSC Prelims can be an arduous task, requiring candidates to navigate through a vast sea of knowledge encompassing a myriad of subjects.
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