NextMockపరీక్షలు వెతకండి, ఉదా. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ప్రశ్న 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
సమాధానం చూపించు & వివరణ

సమాధానం: (D) Zinc and copper

వివరణ

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

  • (A) తప్పు

    Wrong: not brass.

  • (B) తప్పు

    Wrong: that is cupronickel.

  • (C) తప్పు

    Wrong: not brass.

  • (D) సరైనది

    Correct: brass is an alloy of copper and zinc.

  • (E) తప్పు

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