On hydraulic cranes, the hydraulic reservoir level can change dramatically due to the position of the _____.
a. tracks
b. boom
c. upperworks
d. hoist drum
b. boom
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¿Cuántos diodos se necesitan para formar un circuito rectificador de CA de onda completa?
a. Uno b. Dos c. Tres d. Cuatro
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Llamas have long necks, standing how tall at the head?
A. 7 feet B. 5.5 to 6 feet C. 4.5 to 5 feet D. 4 feet
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If 240-volt delta connected systems are not grounded,
A. the voltage to ground is considered 240 volts. B. the installation is not in compliance with the NEC. C. the system is required to be grounded. D. a grounding electrode for the equipment is not required.
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Paint sampling of a gearbox is a good method for determining condition of the lubrication system.
Answer the following statement true (T) or false (F)
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