What type of overhead crane system runs on an elevated rail system along the length of a warehouse and provides three axes of hook motion?
A. Gantry cranes
B. Jib cranes
C. Monorail cranes
D. Overhead traveling bridge cranes
A. Incorrect. Gantry cranes run on elevated rails attached to a frame or set of legs.
B. Incorrect. Jib cranes consist of a pivoting head and boom assembly that carries a hoist and trolley unit.
C. Incorrect. Monorail cranes are cranes that travel on a single runway beam.
D. Correct. Overhead traveling bridge cranes run on an elevated rail system along the length of a warehouse and provide three axes of hook motion.
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