Which of the following currents cyclically reverses current?
A. direct
B. alternating
C. rectifying
D. inverting
Answer: B
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____________________ technology can help in selecting materials, specifying thicknesses, and locating supports to ensure good engineering design of products.
Fill in the blank(s) with the appropriate word(s).
____________________ are used to form the roof structure of the building and are supported by the top plate.
Fill in the blank(s) with the appropriate word(s).
Technician A says that a MAF sensor is a high-authority sensor and is responsible for determining the fuel needs of the engine based on the measured amount of air entering the engine. Technician B says that a cold wire MAF sensor uses the electronics in the sensor itself to heat a wire 20°C below the temperature of the air entering the engine. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What is a transient voltage?
A) A voltage that is traveling from one part of the circuit to another part of the circuit B) A voltage that temporarily transforms to current or resistance C) A voltage that affects only the moving, or transient portions of the circuit D) A momentary surge or spike of voltage that can be several times the normal circuit voltage