What is the total resistance of three resistors in parallel with values of 4 ohms, 10 ohms, and 25 ohms?
a. 1.50 ohms
b. 2.25 ohms
c. 2.56 ohms
d. 3.43 ohms
c
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Typical journal-to-bearing clearance is ________
A) 0.0005 to 0.0025 inch B) 0.00015 to 0.00018 inch C) 0.020 to 0.035 inch D) 0.150 to 0.250 inch
The upper radiator hose collapses when the engine cools. What is the most likely cause?
A) A defective upper radiator hose B) A defective thermostat C) A defective pressure cap D) The spring is missing from the upper radiator hose which is used to keep it from collapsing
The number of welds is shown in ____ below an arrow side of the plug and slot weld symbols or may be specified in the tail of the welding symbol.
A. square brackets B. parentheses C. curly braces D. quotes
Switchboards installed in theaters and similar locations must comply with _____.
a. NEC Article 408 b. NEC Article 410 c. NEC Article 520 d. NEC Article 525