Technician A says that CR EHIs with piezo actuators respond faster to energization by the injector drivers than those with solenoid actuators. Technician B says that current CR EHIs using piezo actuators tend to be slimmer and more compact than those with solenoid actuators. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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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
Productivity is defined as the _____.
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Which of the following correctly identifies torque rise rpm?
A. idle to high idle rpm B. engine lug to peak torque rpm C. peak torque to rated speed rpm D. rated speed to high idle rpm
An inverted siphon is a
a. device commonly used in water distribution systems b. sewer that- drops below the HGL to avoid an obstruction c. control device Used in a wastewater pumping station d. CSO bypass around a wastewater treatment plant e. none of the above