The first CAD systems, developed in the 1960s, were ____.
A. paper-based
B. 2-D
C. 3-D
D. sophisticated
Answer: B
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List various types of Portland cement and where they are typically specified.
What will be an ideal response?
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Measure the clearance between the tip and body of a rotor type oil pump with a________.
A. micrometer B. small bore gauge C. feeler gauge D. caliper
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What does excessive current flow in a circuit cause?
What will be an ideal response?
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Calculate the total resistance and current in a 12 volt parallel circuit with three resistors of 4 ohms, 8 ohms, and 16 ohms, using any one of the five methods (calculator suggested). What is the total resistance and current?
A) 2.3 ohms (5.3 amperes) B) 22 ohms (0.4 amperes) C) 4 ohms (3.0 amperes) D) 140 ohms (18 amperes)
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