Structural steel shapes may be straightened by resting one edge of the member against a rigid retainer and then applying pressure with a high-strength plunger apparatus, or steel shapes may be bent when long radius curves are required. What is the most common machine used in these processes?
A. A curvature press
B. A bend press
C. An arc press
D. A warp press
Answer: B
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____ are used for safety at stairs, landings, decks, and open balconies where people can fall.
A. Handles B. Newels C. Barriers D. Railings
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The ram diameter of a certain cylinder is 2.50 inches, while the cylinder diameter is 5.00 inches. If the cylinder operates under pressures up to 3,000 psi, what is the maximum contracting force? Round to the nearest hundred pounds
What will be an ideal response?
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Describe a blower motor resistor card.?
What will be an ideal response?
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In the accompanying figure, when current flows through the relay coil M, the contacts connected in ____ with the start button close.
a. series
b. link
c. parallel
d. station
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