Three lines supply power to a three-phase motor. If one of these lines should open, the motor will be connected to single-phase power. This condition is known as _____.
A. double-phasing
B. single-phasing
C. triple-phasing
D. free-running
Answer: B
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A section of a spur gear is shown in the accompanying figure. Clearance = 0.05 x Circular pitch. What is the clearance in inches if the circular pitch is 0.3692 inches? Round to four decimal places.
A. 0.0158 B. 0.0185 C. 0.0199 D. 0.0239
Find the weight of the cast-iron angle iron shown in the accompanying figure. Cast iron weighs 0.284 pounds per cubic inch. All dimensions are in inches. Round the answer to the nearest tenth pound.
What will be an ideal response?
A three-sided figure with two sides of equal length is called a(n) _____.
a. right triangle b. equilateral triangle c. binomial triangle d. isosceles triangle
If the phase values of voltage and current are known, the apparent power can be computed using the formula VA = ____.
a. 
b. 
c. 
d. 