OSHA 30 study guide questions and answers 2024(updated)

Those who work on a crane or near crane operations must be trained. Which of the following is true for this training? D. All of the above Certain inspections of crane equipment may be made by a(n) ___________ person; however, crane inspections are typically required to be made by a(n) __________ person. Competent, qualified After safety-related modifications have been made to crane equipment, the equipment must be inspected by __________ prior to use. A qualified person Under OSHA construction requirements for crane and derricks, when a crane operator is employed by a company, who must pay for the crane operator's certification? The crane operator's employer Inspection of hoists should include: Both A & B (Hooks & Safety latches) Hoists shall be: All of the above Daily inspections need to include: Checking of the wire rope for damage or "caging" Hoists shall be inspected: Daily, prior to use Do not perform maintenance on a conveyor until: All hazardous energies are disconnected and blocked Which crane has the ability to be "jacked-up" as needed? Tower Load charts must: Indicate rates lifting capacity and be visible to operator Standards for safety can be found in: 29 CFR 1926 Subpart CC If a crane contacts a power line, the operator should normally stay in the cab until power has been de-energized. True Above the heavy line crossing the load chart are values for failure in: Structure Cranes must maintain a minimum of ____ feet away from power lines: 10' Each of the following is true for an operator who needs the leave a suddenly energized crane EXCEPT: Walk to safety in a zigzag pattern An annual inspection of each crane: All of the above What is the minimum distance allowed between a spoils pile and trench's edge? Two feet To be classified as Type A, the soil cannot be: All of the Above A cubic yard of soil can weigh as much as: A small pickup truck A soils are usually clays and cemented soils such as caliche and hardpan. True Each of the following is Type B soil EXCEPT: Sand Which of the following are common soil classification tests? All except C The definition of type C-60 soil is provided by manufacturers to allow the competent person an opportunity to use vertical shores or... True A defining feature of Stable Rock is that it will: Remain intact while exposed OSHA requires that the competent person perform two visual and two manual tests on a soil sample fresh out of the ground and not impacted by weather conditions at the site. False A soil cannot be Type A if it is: All of the above The most important distinction between Stable Rock/Types A&B and Type C is: Degrees of stability Which of the following statements is true of kickout? All of the above Mixed oak timbers have a greater bending strength per square inch than Douglas fir. False Type B soils afford afford how many options of protection? Four In type C soil, the angle of repose is very low; how many degrees must the angle be? 34 degrees Which soil type is the most common? Type B Shores must be pumped to a minimum pf 750 pounds of pressure but more is recommended. True Aluminum hydraulic shoring permits both installation and removal without entering the trench True The struts of a screw jack system must be adjusted manually, which creates a hazard because the worker is required to: Be in the trench in order to adjust the strut The depth at which an excavation needs attention from a registered professional engineer is: 20 feet Shoring and shielding can be custom-built from tabulated data approved by a registered professional engineer. True All systems have a seat of manufacturer's tabulated data to be used for proper design and installation of the equipment. True Placing a shield between the side of an excavation and the work area can minimize the risk in the event of a cave-in. True Walkways must have handrails when at ________ or more above lower level. 6 feet Establishing eye contact with your equipment operator is a general safety principle when working outside the working radius. True All surface encumbrances must be removed or supported within: The zone of influence A competent person must inspect all excavations, adjacent areas, and protective systems daily, ____________, and as needed throughout the shift. Before work begins When using a ladder in a trench, it must be: All of the above Being dangerously close to a falling load is: Not allowed Each of the following is true of accumulating water hazards EXCEPT: Special supports or shields are not allowed