NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · प्रश्न 95

Which of the following are the constituents of brass?

  1. Iron and zinc
  2. Copper and nickel
  3. Iron and copper
  4. Zinc and copper
  5. None of the above / More than one of the above
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (D) Zinc and copper

स्पष्टीकरण

Brass = copper + zinc; bronze = copper + tin.

  • (A) चूक

    Wrong: not brass.

  • (B) चूक

    Wrong: that is cupronickel.

  • (C) चूक

    Wrong: not brass.

  • (D) बरोबर

    Correct: brass is an alloy of copper and zinc.

  • (E) चूक

    Wrong: only one of the options A–D is correct.