The motions of crane-hoisting, trolley traversing and bridging may be powered by

Related MCQs

• In case of hand powered cranes, the capacity is generally restricted to
• A jack having 2 cm as the diameter of the screw at the root of the thread, may be expected to safely lift a load of about
• A chain link while in use may be subjected to
• Electric motor used for skip hoists may be
• Jacks may be
• Lift trucks may be
• The horse power to weight ratio of a diesel engine may be expected to be of the order of
• Hoisting and haulage ropes are frequently greased to
• Coarse salt is hygroscopic and corrosive in weight. It can be transported using
• Which one of the following is not a excavating and moving type machine?