Which type of system is required to be grounded?
a. Systems less than 50V supplied by grounded transformers
b. Circuits for cranes that operate over combustible fibers in Class III locations
c. AC systems over 1kV that supply mobile or portable equipment
d. Circuits for electrolytic cells
c. AC systems over 1kV that supply mobile or portable equipment
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Explain how laser light is produced.
What will be an ideal response?
Most male animals that are raised for slaughter are castrated
Indicate whether the statement is true or false
How is the ice harvested from the evaporator plates in an ice harvesting system?
A) by warming the evaporator plates with refrigerant discharge gas B) by mechanically scraping the ice off of the evaporator plates using an ice-harvesting arm C) using high frequency ultrasonic waves that shatter the plate of ice D) by energizing electric defrost heaters imbedded in the evaporator
Technician A says the inner race of the Rzeppa CV-joint is connected to the drive axle. Technician B says the ball bearings rotate on a trunnion within the outer housing. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B