Why is it imperative that a nut be of the same grade as the bolt on which it is used?
What will be an ideal response?
If the nut and bolt are not of the same grade, the tension produced as the fastener tightened may cause the weaker component to fail.
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The speed of a star-delta, squirrel cage induction motor depends on the number of poles of the motor and the supply line ____.
a. resistance b. capacitance c. frequency d. temperature
Studies have shown a correlation between high levels of _________ and clogged heart arteries
a. Cholesterol c. Protein b. Carbohydrates d. Glucose
Which of the following is NOT true about wireless NICs?
A. they change the computer's internal data from serial to parallel before transmitting B. you can connect an external wireless NIC to a USB port C. they have an antenna instead of a cable port D. laptop computers often use Mini PCI cards for wireless NICs
The absorption rate will ____ for any material once the laser beam begins to heat the surface.
A. decrease B. stay the same C. increase D. double