The total circuit resistance of a parallel circuit will always be:
A) The same as the highest individual resistance. B) Less than the lowest individual resistance.
C) More than the highest individual resistance. D) The sum of all the individual resistances.
B
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The ____________________ angle and the angle between the inner cone and the metal have a great effect on the speed of melting and size of the molten weld pool.
Fill in the blank(s) with the appropriate word(s).
In an electrical circuit, ________ can cause an open circuit
A) High resistance B) A blown fuse C) Both A and B D) Neither A nor B
What is commonly done when a drop-in refrigerant is placed in operating equipment?
a. A crankcase heater is installed. b. The oil is replaced. c. A leak-detecting dye is added. d. The refrigerant piping is replaced.
If a person asks a CMV driver to stop as a result of an alleged traffic accident and the driver is unsure whether an accident has occurred, the best thing for the driver to do is _____ before stopping.
A. call his or her dispatcher B. call 911 C. drive to a police station or well-lit, busy location D. all of the above