Which type of bearing is often referred to as an angular-contact bearing?
A. tapered-roller bearing
B. double-row ball bearing
C. self-aligning bearing
D. radial-thrust bearing
Answer: D
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A rectangular solid has ____________________ rectangular faces.
Fill in the blank(s) with the appropriate word(s).
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Which of the following is true of solenoids?
A. They convert electrical energy to mechanical energy. B. They control the flow of hydraulic fluid. C. They control power flow. D. They control shift points.
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Describe the training that is needed to work in the petroleum industry. (Consider various levels.)
What will be an ideal response?
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A monostable multivibrator produces __________.
A. one pulse after a signal is applied to the input B. a continuous square wave after power is applied
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