Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. Technician A says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. Technician B says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. Who is correct?

A. Technician B

B. Both Technicians A and B

C. Technician A

D. Neither Technicians A or B

Question

Alijah Galloway

SAT

3 March, 07:13

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. Technician A says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. Technician B says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. Who is correct?

A. Technician B

B. Both Technicians A and B

C. Technician A

D. Neither Technicians A or B

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Answers (1)

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Guadalupe · Answer 1

C. Technician A

Two technicians are discussing how best to turn off the ignition system for a compression test. Technician A says that it's best to ground the coil wire after taking it off the distributor cap. But Technician B says that one should pull out the primary leads from the ignition coil. Who is correct?