The term ____________________ is used to describe an electrical connection between the casing of equipment or tools and the earth.
Fill in the blank(s) with the appropriate word(s).
ground
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Most solid-state controllers for DC motors have the ability to maintain a constant motor speed when load is ____ the motor.
a. added to b. removed from c. proportional to d. added to or removed from
Technician A says that align boring is performed to straighten the cylinders of an engine block. Technician B says that a cylinder hone is used to deglaze a cylinder wall. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
In an annealing process—a process wherein materials such as glass and metal are heated to high temperatures and then cooled slowly to toughen them —the following equation may be used to determine the temperature of a thin piece of material after some time t.
Those of you who will pursue aerospace, chemical, mechanical, or materials engineering will learn in your heat-transfer class about the underlying concepts that leads to the solution. What is the appropriate unit for h if the preceding equation is to be homogenous in units? Show all steps of your work.
What is the approximate sum of the following two vectors: magnitude 5 at 0° and magnitude 10 at 180°?
A. magnitude 5 at 90° B. magnitude 5 at 180° C. magnitude 15 at 90° D. magnitude 15 at 180°