Which of the following are precautions specific to arc welding on a construction site?
A. Construction personnel should use only manual electrode holders.
B. All parts that carry current should be properly insulated against the maximum voltage.
C. Cables must be properly insulated and flexible.
D. All of the above
D
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_____________ are often used during commissioning when larger particles can be expected
Fill in the blank(s) with the appropriate word(s).
A common parking brake cable adjuster uses ________
A) An eccentric anchor B) A stacked washer C) A lock washer D) Two jam nuts
Because of ________, an ignition coil cannot be fully charged (reach magnetic saturation) until after a delay of about 10 ms (milliseconds)
A) Resistance in the coil windings B) Saturation C) Inductive reactance D) Voltage drop across the ignition switch
What causes coolant that was expelled from the system to the expansion tank to be return to the cooling system as the engine cools?
A. Water pump flow valve B. Thermostat bypass circuit C. Vacuum relief valve in the pressure cap D. Pressure relief valve in the pressure cap