In center-type cylindrical grinding, done on dead centers:
A) The headstock end of the workpiece must always be lubricated
B) The footstock end of the workpiece must always be lubricated
C) Both ends of the workpiece must always be lubricated
D) Sometimes neither end needs to be lubricated
C
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______ mortars are a combination of portland cement, hydrated lime, sand, and water.
A. Hydrated lime-sand B. Hydrated lime masonry cement C. Masonry cement D. Portland cement-hydrated lime
The physical measurement that is intended to account for the combined effect of wind speed and air temperature is known as
a. Dew point b. Ambient conditions c. Wind chill index b. Relative temperature
Which of these is true about radiator shutters and the winter-front during winter driving?
a. The engine may overheat if winter-front left open. b. The winter front should be closed tightly. c. Ice should be removed from the radiator shutter.
Answer the following statement(s) true (T) or false (F)
One of the methods of electrical interlocking is accomplished with the use of double-acting push buttons.