Cranes - Study guides, Class notes & Summaries

When hook-suspended personnel platforms are lifted with a telescopic boom crane, An anti twoblock devise must be provided When using a telescopic boom crane equipped with an anti two-block device, which hydraulic functions are disabled when the device is activated? Hoist, extend the boom, boom down The safest maximum speed for a telescopic boom crane performing pick-and-carry operations is The manufacturer's recommended speed limit When using blocking under the outrigger floats/pads, the o...

A crane is operating with a long boom, on outriggers, on uneven ground. Under these conditions it is important to - ANSWER-Block under the float or pad to achieve a 90 degree angle between the cylinder rod and the float or pad What is the purpose of a boom length indicator? - ANSWER-Indicates the extended length of boom According to OSHA 1926 subpart cc, floats/pads must be fastened to the outrigger/stabilizers when - ANSWER-They are in use A crane's jib is offset 15 degrees versus it's...

MODULE 15: Cranes and Rigging questions with correct answers

MODULE 15: Cranes and Rigging questions with correct answers

NCCCO Telescopic Boom Crane- Mobile Cranes Fall 2024 Exam Review Questions and Answers 100% Pass

All slings for rigging they must have? - Sling identification While performing a shift inspection which one of these are required to be inspected as per OSHA 1926.1412 - Pins, bearings, and locking devices for significant wear. What is the signal person directing the crane operator to do? (Picture of man holding his arm straight out to his side, parallel to ground with his palm facing down). - Stop What does 4 x 12,920 equal? (no calculator) - 51,680 What is the signal person directing the...

Mobile Cranes No. 2 – Questions & Complete Solutions

Determine if this statement is true or false. Very few areas in either the United States or Canada require certification to operate a tower crane. False Determine if this statement is true or false. Self - erecting tower cranes are easier to erect than a conventional tower crane, but erection time takes longer. False How does the crane rotate with a fixed tower base? Slewing ring beneath the jib Determine if this statement is true or false. A mono type of tower can be either fixed or s...

How many months at a maximum do personnel have to qualify as a maintenance technician? -Answer 3 Floating cranes, aircraft-crash cranes, and virtually all pierside cranes are under the cognizance of what? -Answer NAVFAC What is a shock absorbing device installed to cushion the impact of contacting a posotive stop? -Answer bumper Which type of lifts require additional attention in operational areas such as selection, training, and qualification of crane crew members, organization and ...