Si ocurre un desperfecto durante la operación, lo primero que debe hacer el operador es _____.
a. salir de la grúa
b. bajar la pluma
c. apagar la grúa
d. bajar la carga, si es
posible
Answer: D
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Two cylinders S and T of unit length rest against smooth supports as shown in Figure 12.36. Each cylinder has a mass of 85 kg. Find the forces that the cylinders exert on the supports at A, B, and C.
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In the accompanying figure, the circuiting symbol at the top stands for ____.
A. wiring concealed in floor B. wiring exposed C. wiring turned down D. wiring concealed in ceiling or wall
When checking stability, how high should the vehicle be raised?
A) About 2 inches (5 cm) B) About 3 feet (91 cm) C) About 1 foot (30 cm) D) About 6 inches (15 cm)
When hopscotch troubleshooting, follow the schematic and move the meter lead on the control side of the circuit from one control to the next, checking the voltage in and out of the control. The voltage will be ________ immediately after the control that is opening the circuit
A) 0 volts B) 24 volts C) 240 volts D) 120 volts