What micron level should be achieved when evacuating a system?
What will be an ideal response?
500 microns.
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Technician A says that a solenoid that is controlled by a computer is switched on or off on the ground side of the circuit. Technician B says a Chrysler-built unit, when operating in "limp-in" mode, will allow operation in all gear ranges but at reduced efficiency. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What would most likely happen to the evaporator on an air-conditioning system, operating with R-22, if the suction pressure dropped to 50 psig?
What will be an ideal response?
The capacitor of an RC integrator charges to ________ if the input is a 10 V pulse with a pulse width equal to one time constant
A) 3.7 VC B) 10 V C) 6.3 V D) 5 V
A technician is checking the evaporator for leaks on an R-134a refrigerant system. Technician A says that it is acceptable to use shop air to pressurize the system and use an electrnic microphone to listen for leakage. Technician B says that it is acceptable to charge the system with R-134a and then insert the elctronic leak detector probe in the evaporator drain. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B