Sequence control is required whenever the ________must be operating before the machine itself can be operated safely.
A)upstream equipment
B)equipment connected in parallel with a machine
C)auxiliary equipment associated with a machine
D)downstream equipment

Question

Quizplus · Accepted Answer

Auxiliary equipment associated with a machine often includes components such as lubrication systems, cooling systems, or power supplies that must be operational to ensure the machine can operate safely and effectively. Sequence control ensures these systems are activated in the correct order.

Sequence Control Is Required Whenever the ________Must Be Operating Before