What is the purpose of an Uninterruptible Power Supply (UPS)?

A. Provides AC regulation
B. Provide steady-state power during a total failure of the main supply input
C. Provide filtering
D. All the above


D. All the above

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A rectangle is a four-sided figure with four _____.

a. bases b. unequal sides c. right angles d. different angles

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Answer the following statement(s) true (T) or false (F)

1. A piece of nonmagnetized metal has its molecules in a state of disarray. 2. An increase in current flow will cause a decrease in magnetic field strength. 3. If the direction of motion is reversed in a coil, the polarity of the induced current stays the same. 4. The exponential curve can often be found in nature 5. In the CGS system of measurement, one magnetic line of force is known as a gauss.

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The accompanying figure shows basic stair parts. What is feature 3?

A. Landing B. Riser C. Stringer D. Tread

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Two technicians are discussing a no-start condition. During cranking, a magnet held over the coil moves and the engine backfires at times. Technician A says that a bad pickup coil or CKP sensor is the most likely cause. Technician B says that an open coil primary is the most likely cause. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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