Timing gears are being discussed. Technician A says that worn timing gears can make noise. Technician B says that the clearance between the gears that is seen by rotating one gear back and forth without the other moving is called backlash. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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While pressure testing an isolated Cummins charge air cooler (CAC), the pressure drops from 30 psi to 25 psi in 15 seconds. Technician A says that the CAC is leaking air. Technician B says that the pressure drop-off is within specification and the CAC can be returned to service. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B.
The production of agricultural animals has been criticized by some as being harmful to the environment.
Answer the following statement true (T) or false (F)
A mason worked on a project for 8 weeks. His weekly hours were are follows: 36 hours, 42 hours, 33 hours, 37 hours, 40 hours, 38 hour, 34 hours, and 40 hours. What was this mason's average weekly hours?
What will be an ideal response?
An arrangement of several thermocouples wired in series for the purpose of increasing sensitivity is referred to as a(n) __________.
A. enhancer B. thermopile C. stack D. piggy back