After connecting the air lines but before backing under the trailer you should:
a. Make sure that the trailer brakes are off.
b. Walk around the rig to be sure that it is clear.
c. Supply air to the trailer system, then pull out the air supply knob.
c. Supply air to the trailer system, then pull out the air supply knob.
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?What is the advantage of cutting out old FCA practice welds?
A. ?So the practice plates can be reused. B. ?To give you more practice with a cutting torch. C. ?To make the pieces of scrap smaller and easier to recycle. D. ?It is a way of making your practice weld smaller and lighter to carry in your backpack.
An engine is operating at 2,000 RPM while the vehicle is traveling down the highway. The oil pressure should be about ______
A) 50 PSI or higher B) 10-12 PSI C) 20 PSI or higher D) 3-7 PSI
High CO2 emissions are usually caused by a richer-than-normal air-fuel mixture. True or False?
Quartz and glass panel electric units are classified as ____.
A. natural draft convectors B. forced draft convectors C. forced draft conductors D. radiant heaters