Rung No.4 contains the logic that:
A)detects when the temperature drops below the low set point.
B)allows the thermocouple temperature to be monitored by the LED display board.
C)detects when the temperature rises above the high set point.
D)switches the heaters on and off.

Question

Rung No.4 contains the logic that: 
A)detects when the temperature drops below the low set point. 
B)allows the thermocouple temperature to be monitored by the LED display board. 
C)detects when the temperature rises above the high set point. 
D)switches the heaters on and off.

Quizplus · Accepted Answer

The Answer of Rung No.4 contains the logic that: 
A)detects when the temperature drops below the low set point. 
B)allows the thermocouple temperature to be monitored by the LED display board. 
C)detects when the temperature rises above the high set point. 
D)switches the heaters on and off.

Rung No.4 Contains the Logic That