____ coils revert to their de-energized state whenever the PLC is cycled from stop to run or whenever the power is cycled.

A. Retentive
B. Nonretentive
C. Negative
D. Open


Answer: B

Trades & Technology

You might also like to view...

?Combination cutting and welding sets are often used in ____________.

A. ?auto body shops B. ?small welding shops C. ?schools D. ?All of the above

Trades & Technology

?Sketch the front view layout for the AWS SENSE GTA practice welds for the butt, lap, and tee joints.

What will be an ideal response?

Trades & Technology

Producing liquid fuel from coal or natural gas usually uses which process?

A) Syncrude B) Methanol to gasoline (MTG) C) P-series D) Fischer-Tropsch

Trades & Technology

The front wheel bearings are being replaced on a front-wheel-drive vehicle with the wheel bearings pressed into the steering knuckle. Technician A says the vehicle should be driven a short distance in the shop before the front hub nuts are torqued to specifications. Technician B says the hub nut torque supplies the correct wheel bearing adjustment. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

Trades & Technology