Crane operator - 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...

Crane operator exam 2024 with answers

1. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - Answer c. 2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - Answer a. 3. The load line of the crane you're operating contacts ...

MOBILE CRANE OPERATOR QUESTIONS AND ANSWERS

On a lattice boom crawler crane, the main boom length is measured from the: Center of the boom heel pins to the center of the boom tip sheave What is the main purpose of mid point suspension pendants? To absorb shock that comes with dynamic loading Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:06 / 0:15 Full screen The main purpose of a gantry or a mast on a crane is: To increase the crane's leverage on the boom ...

Mobile Crane Operator Core Review Questions and Verified Answers 100- Correct.

The safety design factor for a personal platform structure and the rigging must be how many times it's intended capacity? - 5 According to OSHA, the assembly/disassembly director must be... - A competent and qualified person What is most important when performing a two crane pick? - Both cranes must be must keep hoist line vertical. When the crane set-up requires the outriggers to be extended to different span lengths and you have capacity charts for the different lengths, who approves the s...

Mobile Crane Operator A 60 – Questions & Answers

Before leveling a mobile crane on outriggers, an operator should ensure: - Answer there is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Answer Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - Answer Separate the boom hoist lines How many randomly broken wires in a lay length must there be o...

certified mobile crane operator prep test Exam Questions with Accurate Answers