GENERAL SCIENCE (GENERAL STUDIES) Part-3Total Questions: 501. The unit for specific resistance is –(a) ohm × second(b) ohm × cm(c) ohm(d) ohm/cmCorrect Answer: (b) ohm × cm2. The unit for electric conductivity is –(a) ohm per cm(b) ohm × cm(c) ohm per second(d) mhoCorrect Answer: (d) mho3. The filament of an electric bulb is of tungsten because –(a) Its resistance is negligible(b) It is cheaper(c) Its melting point is high(d) Filament is easily madeCorrect Answer: (c) Its melting point is high4. The resistance of a thin wire in comparison of a thick wire of the same material –(a) is low(b) is equal(c) depends upon the metal of the wire(d) is highCorrect Answer: (d) is high5. The resistance of an ideal voltmeter is –(a) zero(b) very low(c) very large(d) InfinitCorrect Answer: (c) very large6. Which of the following is thermosetting plastics?(a) Polyvinyl chloride(b) Polyester(c) Polypropylene(d) BakeliteCorrect Answer: (d) Bakelite7. Polycot is obtained by mixing(a) polyester and cotton(b) polyester and wool(c) cotton and wool(d) None of theseCorrect Answer: (a) polyester and cotton8. Which of the following is the maximum number of electrons that can be present in M-shell?(a) 2(b) 8(c) 18(d) 32Correct Answer: (c) 189. In an oxygen molecule, two atoms are united by(a) the bond(b) two bonds(c) three bonds(d) four bondsCorrect Answer: (b) two bonds10. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is(a) Neon(b) Krypton(c) Argon(d) HeliumCorrect Answer: (d) HeliumSubmit Quiz12345Next »
