Technician A says that oil pressure is normally higher when the engine is cold. Technician B says that normal engine oil pump pressure ranges from 20 to 80 psi (200 to 400 kPa) or 20 psi for every 1000 engine RPM. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
A
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The RPM speed difference between the stator rotating magnetic field, synchronous speed, and the actual rotating speed of the rotor, is called ____.
a. coil b. slip c. load d. torque
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
Poor subgrade under a paving site can be corrected by which of the following techniques?
a. excavating the poor soil and replacing with aggregate b. spraying the surface with water c. covering with weed barrier d. reducing the thickness of the base course
What will be the change in bits of the ADC output?
A) 3 bits B) 8 bits C) 2 bits D) 1 bit