With reference to solar water pumps, consider the following statements:

  1. Solar power can be used for running surface pumps and not for submersible pumps.
  2. Solar power can be used for running centrifugal pumps and not the ones with piston.

Which of the statements given above is/are correct?

[UPSC Civil Services Exam – 2020 Prelims]

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2


Answer: (d)        

Explanation:

  • Solar power can be used for both running surface pumps and for submersible pumps. Hence, statement 1 is not correct.
  • Solar power can be used for both running centrifugal pumps and ones with pistons.
  • The pumping action is cyclic and can be driven by pistons, screws, gears, rollers, diaphragms, or vanes. Hence, statement 2 is not correct.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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