What is the difference between the way a self-threading and a self-drilling sheet-metal screw is used?
A) Self-threading screws can only be installed with a counterclockwise rotation.
B) Self-threading screws must have a pilot hole.
C) Self-drilling screws can only be installed with a counterclockwise rotation.
D) Self-drilling screws must have a pilot hole.
B
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A medium-size motor has a frame number of 284T. The D dimension of this motor is _____.
a. 2" b. 5" c. 7" d. 10"
Which of the categories in the Soil Taxonomy system indicates properties that have implications for root growth as well as for the construction of building foundations?
A) great group B) subgroup C) suborder D) series E) family
List some of the safety precautions to be observed when using power tools
What will be an ideal response?
A data acquisition system uses a DAC with a range of ±15 V and a resolution of 0.01 V. How many bits must be present in the DAC?
Known quantities: The range, ±15 V, and the resolution, 0.01 V, of a data acquisition system. Find: The number of bits of the DAC.