Rhode Island Excavator Operator Study Guide Questions and Correct Answers 2026

Rhode Island Excavator Operator Study Guide Questions and Correct Answers 2026 Scope and application - Correct Answer This subpart applies to all open excavations made in the earth's surface. Excavations are defined to include trenches. Accepted engineering practices - Correct Answer means those requirements which are compatible with standards of practice required by a registered professional engineer. Aluminum Hydraulic Shoring - Correct Answer means a pre-engineered shoring system comprised of aluminum hydraulic cylinders (crossbraces) used in conjunction with vertical rails (uprights) or horizontal rails (walers). Such system is designed, specifically to support the sidewalls of an excavation and prevent cave-ins. Bell-bottom pier hole - Correct Answer means a type of shaft or footing excavation, the bottom of which is made larger than the cross section above to form a belled shape Benching - Correct Answer (Benching system) means a method of protecting employees from cave-ins by excavating the sides of an excavation to form one or a series of horizontal levels or steps, usually with vertical or near-vertical surfaces between levels. Cave-in - Correct Answer means the separation of a mass of soil or rock material from the side of an excavation, or the loss of soil from under a trench shield or support system, and its sudden movement into the excavation, either by falling or sliding, in sufficient quantity so that Competent person - Correct Answer means one who is capable of identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them. Cross braces - Correct Answer mean the horizontal members o