Technician A says that the 3 wires on the TP sensor include a 5-volt reference voltage from the PCM Technician B says that a TP sensor is a three-wire variable resistor called a rheostat. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians D) Neither technician


A

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Technician A says when using an electronic wheel balancer, clean all the mud from the wheel before attempting to balance the wheel and tire. Technician B says to leave all the old wheel weights on the wheel before attempting to balance the wheel and tire. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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All companies qualify for the same level of bonding because their risks are similar

Indicate whether the statement is true or false

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What are two differences between R404A and R477 (CO2) piping for the same evaporator temperature and system Btuh capacity?

a. R404A piping must withstand lower pressure and is a smaller diameter than R477 b. R477 piping must withstand higher pressure, but has smaller diameter than R404A

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What type of weld is used to build up a surface by running one or more stringers or weave beads across an unbroken surface?

A. groove weld B. plug weld C. surfacing weld D. fillet weld

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