It is sometimes a good idea to start a tap with a drill press since:
A) If you get tired turning the tap by hand, you can always turn on the machine
B) Taps are prone to go in crooked when started by hand
C) You can put a lot of force on the tap with the drill press feed handle
D) All of the above
B
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____ switches are manually operated, used in interior electric wiring, and usually used for the control of lighting or small motors.
a. Light b. Solid c. Flip d. Snap
Los clavos de soldadura suelen instalarse en centros de _______.
a. 6 pulgadas (15,24 cm) b. 12 pulgadas (30,48 cm) c. 18 pulgadas (45,72 cm) d. 24 pulgadas (60,96 cm)
The slump of concrete is measured
A) when the concrete is fresh. B) 1 day after casting the concrete in a test specimen. C) 7 days after casting the concrete in a test specimen. D) 28 days after casting the concrete in a test specimen. E) 14 days after casting the concrete in a test specimen.
The main area of expense that the shop manager can control would be ________.
A) Rent B) Direct expenses C) Heating and lighting expenses D) None of the above