Shovels typically have handles made of wood or _____
a. aluminum
b. steel
c. fiberglass
d. plastic
c
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Los electricistas encargados del mantenimiento industrial deben ser capaces de desmontar y volver a montar:
a. tableros interiores. b. electrodomésticos. c. equipos de distribución de alto voltaje. d. arrancadores magnéticos de motor.
The automatic control of a system is intended to ____.
A. maintain the working conditions of the equipment with a controllable device B. evaluate overloading situations C. maintain stable or constant conditions without excessive human interference D. maintain safe operations for service technicians
What type of measurements require a true RMS meter to obtain accurate results?
A) Strip heater current B) Shaded-pole motor current C) Nonlinear, electronic switching loads D) Linear alternating current loads
?Technician A says when removing a seal, inspect the sealing surface or lips. Technician B says this check should be done before cleaning the seal. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B