In the case of a(n) ____, the thermal heaters open the overload contacts in the control circuit and de-energize the coil, thus stopping the motor.
a. overload
b. imbalance
c. overflow
d. disproportion
a. overload
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GMA welding can easily be used in all positions because the weld pool is small and the ____.
A. metal is molten for a very short time B. wire is not energized C. filler metal is automatically fed D. volts and amperes are mutually increased
Which angle, if unequal from side to side, is most likely to cause a pull or drift?
A) Toe B) TOOT C) Camber D) None of these
Which type of valve guide is most used in a cast-iron head?
A) Integral B) Thin-wall sleeve type C) Powdered metal (PM) D) Bronze
What is the minimum furnace size for which the fire department should be called to be on standby before lighting the burner when the refractory has been soaked with oil?
A) 2.5 gph B) 1.5 gph C) 4.5 gph D) 3.5 gph