A technique used to prevent contamination of the electrode when feeding the filler rod into the weld puddle
is to _____.
a. change from a push angle to a slight drag angle
b. change the work angle about 10 degrees temporarily
c. move the torch toward the back edge of the puddle
d. move the torch toward the leading edge of the puddle
c
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In the accompanying figure, the item identified as number 2 is the standard break symbol for a ____.
A. round solid section B. wood rectangular section C. pipe or tubing D. rectangular section
A pressure gauge on an air tank reads 210 pounds per square inch (psi). The face of the gauge says ±3% at 180 psi.
(a) What is the range of air pressure in the tank when the gauge reads 210 psi? (b) What is the range of air pressure in the tank when the gauge reads 87 psi?
Technician A says steering gear mounting bolts with five ribs on each bolt head may be replaced with bolts containing three ribs on each bolt head. Technician B says loose steering gear mounting bolts may cause steering wheel play. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Which statement is true regarding cooling systems?
A) Thermostats are rated according to the temperature they are fully open. B) Heat transfer explains how radiators work. C) Radiators are most effective when the coolant is closer to the temperature of the outside air. D) Removing the thermostat is a good way to solve cooling system problems.