The organization(s) that test and list circuit breakers is/are _____.
a. IEEE
b. OSHA and NEMA
c. CSA and UL
d. UL and NEMA
c. CSA and UL
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A line-sensing control uses a mechanical thermostat or electrical controller to measure the _____.
a. actual pipe temperature b. ambient temperature surrounding the pipe c. estimated pipe temperature d. heat levels surrounding the pipe
Two technicians are discussing the purpose of a transfer case in a four-wheel-drive system. Technician A says it transfers power to an additional axle. Technician B says some transfer cases have two speeds. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technicians A nor B
Explain the difference between the weight of an object and the mass of an object
What will be an ideal response?
Most hydraulic fluids are _____
a. oil-in-water emulsions b. petroleum oil based c. water-based glycols d. phosphate esters