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ISEB-SWT2 · Question #61

An automated air-conditioner is programmed to turn its heating unit on when the temperature falls below 17 and to turn its refrigeration unit on when the temperature exceeds 26. The air- conditioner…

The correct answer is A. -11, -11?, -1, -1?, 18, 18?, 27, 27?, 5151? See the full explanation below for the reasoning.

Question

An automated air-conditioner is programmed to turn its heating unit on when the temperature falls below 17 and to turn its refrigeration unit on when the temperature exceeds 26. The air- conditioner is designed to operate at temperatures between -10 and +40. Given the above specification,the temperature exceeds 26. The air-conditioner is designed to operate at temperatures between -10 and +40?. Given the above specification, which of the following sets of values shows that the equivalence partition test design technique has been used correctly?

Options

  • A-11, -11?, -1, -1?, 18, 18?, 27, 27?, 5151?
  • B-11, -11?, -1, -1?, 12, 12?, 18, 18?, 27, 27?, 5151?
  • C-11, -11?, 18, 18?, 5151?
  • D-1, -1?, 12, 12?, 18, 18?, 27 27?

How the community answered

(25 responses)
  • A
    80% (20)
  • B
    12% (3)
  • C
    4% (1)
  • D
    4% (1)

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