Technician A says that a hose clamp can be used to compress the retainer fingers of a parking brake cable in order to remove it from the backing plate. Technician B says a box-end wrench can be used instead of a hose clamp. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Support angles for bridge decks should not be welded to the flanges of beams that _____.
a. have a web less than 8" deep b. are in tension c. rest on a bridge center pier d. are in compression
In preparing the pipe for welding, the pipe should be tack welded together with a root opening of ____ inch.
A. 1/16 to 1/8 B. 1/16 to 1/4 C. 3/32 to 1/8 D. 1/8 to 1/4
?What changes to the welding machine are required to change between short-circuiting and axial spray or between axial spray and buried arc transfer methods?
A. ?Change the shielding gas from Ar to 100% CO2 or He to Ar+O2. B. ?Make the changes in the welding machine's voltage and amperage settings. C. ?Increase the voltage. D. ?Increase the amperage.
What precautions should be taken when charging liquid through the suction service valve?
a. When the compressor starts knocking close down the charging valve a little. b. Restrict the flow of liquid if the amperage is above 10% of RLA or the valve frosts. c. Make sure the condensing temperature is within 30° of the ambient air.