Technician A says that gasoline engines are internal combustion engines. Technician B says that diesel engines are internal combustion engines. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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One of the three factors that will cause a three-phase motor’s magnetic field to rotate is that the _____.
a. voltages of a three-phase electrical system are 180° out of phase with each other b. stator windings around the inside of the motor are arranged in a specific manner to induce rotation c. stators have dual-voltage d. three voltages maintain constant polarity
What length of common stud is needed when the building has a 1/2" gypsum-board ceiling, a 5/8" underlayment, a 3/4" subfloor, and an 8' ceiling height?
a. 91-1/4" b. 92-5/8" c. 92-3/4" d. 93-3/8"
Batteries (e.g., lead-acid batteries) store chemical energy and convert it to electric energy on demand. Batteries do not store electric charge or charge carriers. Charge carriers (electrons) enter one terminal of the battery, acquire electrical potential energy, and exit from the other terminal at a lower voltage. Remember the electron has a negative charge! It is convenient to think of positive carriers flowing in the opposite direction, that is, conventional current, and exiting at a higher voltage. (Benjamin Franklin caused this mess!) For a battery rated at 12 V and 350 A-h, determine: a. The rated chemical energy stored in the battery. b. The total charge that can be supplied at the rated voltage.
What will be an ideal response?
The ________ circuit is the backbone circuit of the PSTN and the customer's network
Fill in the blank(s) with correct word