The component(s) on a diesel-powered tractor that compresses air for the engine is the _____
a. air cleaner
b. turbocharger
c. distributor
d. injector(s)
b
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____, or grade, refers to the amount of pull a fastener can withstand before breaking.
a. Ductile strength b. Tensile strength c. Hardness d. Flex strength
Technician A says that because of hybrid/electric technology, the internal combustion engine used on these vehicles runs colder than peak operating temperatures. Technician B says that PTC coolers located in the A/C system are used to overcome this
excessive engine heat. Which technician is correct? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Why is it necessary to have controls for maintaining a minimum high-side pressure on outdoor air-cooled condensers?
A) Compressors will not operate correctly if the compression ratio is too low. B) The chemical components in the refrigerant will separate if the pressure is allowed to drop below the normal minimum operating pressure. C) The refrigerant will not condense if it is excessively cooled. D) Refrigeration metering devices require a minimum pressure drop to operate.
Precast concrete ____ obtain the information they need to prepare framing plans from architectural plans, engineers' sketches, or contractors' sketches.
A. CAD technicians B. CAD managers C. checkers D. drafting clerks