For the timer program shown, output D is switched ON when:
A)power is applied.
B)input A is closed.
C)the timer is accumulating time.
D)the accumulated value equals the preset value.

Question

For the timer program shown, output D is switched ON when: 
A)power is applied. 
B)input A is closed. 
C)the timer is accumulating time. 
D)the accumulated value equals the preset value.

Quizplus · Accepted Answer

The output D is switched ON when the accumulated value equals the preset value. This means that the timer has timed out and the desired time has elapsed. The other options (A, B, and C) do not trigger the output D, whereas reaching the preset time is the specific purpose of this timer program.

For the Timer Program Shown, Output D Is Switched ON When