Under which of the following conditions will an overcurrent condition develop in an AC drive?
A. The physical load the motor is driving becomes excessive.
B. The starting inertia of the load is too high and the acceleration time is too short.
C. A short develops in the motor winding.
D. A component in the inverter section shorts.
E. All of the above are correct.
Answer: E
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You have 45 acres in mixed hay yielding 2.4 tons per acre. Your hay was baled in round bales 4 feet wide, 4.8 feet in diameter, weighing 1,200 pounds.
a. How many tons of hay were produced? b. How many bales were produced? c. What is the weight of 1 cubic yard of the hay?
How does pressure affect the boiling temperature of a liquid?
A) Pressure has no effect on the boiling temperature of a liquid. B) Decreasing the pressure increases the boiling point. C) The pressure cannot change once a liquid begins to boil. D) Increasing the pressure increases the boiling point.
Technician A says that cleaning the small orifices on the spray gun cap is best done with a small piece of steel. Technician B says that cleaning the small orifices on the spray gun cap is best done with a soft object such as a toothpick so no damage will be done to the small hole. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
Traditional methods of data presentation are in the form of charts and graphs. Charts include familiar items such as pie charts and bar charts. Graphs, which are usually more technical, show data trends when the relationship between two or more ____________________ is plotted on orthogonal axes.
Fill in the blank(s) with the appropriate word(s).