Technician A says shop ventilation is not needed when working on new vehicles because new-vehicle emissions are low. Technician B says the shop's ventilation system should be connected to the exhaust pipe if the engine is running. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A or B


Answer: B

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Place the following noncondensing steam turbine startup procedures in order.

____ Verify the lube oil and cooling water are in service. ____ Communicate with the team that the turbine is ready. ____ Open turbine case drains. ____ Slow roll the steam turbine. ____Observe the steam coming out of the drains and, when it becomes dry, completely open the low-pressure steam valve and close the drain valve. ____ Unblock the high-pressure steam. ____ Ensure that the driven equipment connected to the steam turbine is ready for startup. ____ Adjust turbine speed as needed. ____ Open the low-pressure steam valve slightly

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In the diagram below, what is the perimeter of polygon ABCD?

Fill in the blank(s) with the appropriate word(s).

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What is the purpose of any brake repair?

A) Reduce noise during braking B) Restore like-new performance C) Restore proper brake pedal height D) Replace pads and linings

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When working on de-energized circuits that have capacitors installed, the first thing that a qualified individual should do is to _____.