Elevator Mechanic Practice Exam

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Using BINARY logic, what DIP switches must be on for a 128 bit 30 second timer set at 150%?

  1. 1, 2, 5, 7

  2. 1, 3, 4, 6

  3. 2, 3, 5, 6

  4. 1, 4, 5, 7

The correct answer is: 1, 3, 4, 6

A 128 bit timer set at 150% requires the DIP switches for bit 1, bit 3, bit 4, and bit 6 to be on. Option A does not include bit 3, option C does not include bit 4, and option D includes bit 7 which is not necessary for a 128 bit timer. Therefore, option B is the correct answer.

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