When measuring a mitered turn, the number of degrees per miter in a 4-piece, 90-degree elbow (3 welds) is _____ degrees.

a. 11-1/4
b. 12-1/2
c. 15
d. 22-1/2


c. 15

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Technician A says a normally vented solenoid allows fluid pressure to reach the shift valve until it is energized. Technician B says a normally applied solenoid does not allow fluid pressure to the shift valve until it is energized. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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The accompanying figure represents the ____ lettering and numerals.

A. digifont B. photofont C. microfont D. minifont

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Float switches are used to control the action of a(n) ____________________ in accordance with the level of a liquid in a tank or sump.

Fill in the blank(s) with the appropriate word(s).

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Refer to Exercise 11.

a. Find a 90% upper confidence interval for the mean lifetime. b. Someone says that the mean lifetime is less than 1220 hours. With what level of confidence can this statement be made?

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