Residential Contractor Tennessee Exam Study Guide with Complete Solutions

Residential Contractor Tennessee Exam Study Guide with Complete Solutions The bucket's maximum capacity when the material is heaped above the edges of the bucket is - Answer️️ -heaped The contents of the bucket when it is filled to the level of the rim. No material is heaped over the rims, is - Answer️️ -struck Struck capacity is - Answer️️ -level Heaped capacity is - Answer️️ -above the rim How is a load factor calculated - Answer️️ -bank volume / bank volume + swell percentage Co. vol. = - Answer️️ -L x W x D / 27 What is the advantage of a U-blade versus a Semi-U blade? - Answer️️ -holds more material (40%) What piece of equipment is a good choice if you have a wide trench with no crosslines? - Answer️️ -Sheeps foot roller ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM 2 The later the pipe diameter, the smaller the fall requirement is needed to maintain a water velocity great enough to prevent - Answer️️ -solids from settling out A ____________ stake is a small stake driven into the ground to identify a particular reference point. - Answer️️ -hubs If a reference stake is 20.2' from the Hub and fill is to be started at a distance of 12.4' from the Hub, how are these distances measured? - Answer️️ -both horizontal What percent slope rises at a 45 degree angle? - Answer️️ -100% Excavate _______ trenches around a tree deep enough to cut through the root system of the tree. - Answer️️ -4 ________ is the easiest type of rock to rip. - Answer️️ -rippable sedimentary The level of the groundwater is known as the ________. - Answer️️ -water table Well points work well in ________ soils. - Answer️️ -course grain or sandy How do you calculate time to excavate a set? - Answer️️ -Divide the volume of dirt in the set by the dirt moved per cycle; multiply the number of digging cycles by the average cycle time ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM 3 When dirt is moved form its natural state, this is called ________ or loose condition. - Answer️️ -swell or spoils or loose volume What is the purpose of a tench box? - Answer️️ -to support a wall of soil The trench box must be centered over the pipe. To maintain safety, the maximum height above the pipe to install the trench box is ________. - Answer️️ -5' above pipe ________ is the best piece of equipment for working in mud or soft ground. - Answer️️ -tract backhoe ________ is the method for testing soil density and does not require drilling. - Answer️️ -nuclear density test ________ is the easiest compaction method. - Answer️️ -puddling or wetting the soil Limited working room in excavations means ________. - Answer️️ -you can't easily use the water necessary for wetting To estimate earthwork, you need to ________. - Answer️️ -divide the area in sections ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM 4 The term subgrade identifies ________. - Answer️️ -the surface elevation prior to placing any surface material The curving broken lines on a grading plan are ________ lines. - Answer️️ - contour Widely spaced differing contour lines indicate ________ on a grading plan. - Answer️️ -flatter area Any self-loading scraper will be more productive in muddy soil when assisted by a ________. - Answer️️ -dozer pushing on the push blocks at the rear of the bowl What is the hardest part of grader's work? - Answer️️ -finish blading What type of dozer is used for fine grading, trench backfilling, landscaping, light logging, and swamp dozing? - Answer️️ -light utility dozer If the operator fails to lift, tilt, and angle the blade just ________. - Answer️️ - most of the load is lost Align the direction of dozer travel with the ________ whenever possible. - Answer️️ -blade dump area ________ dozing increases the dozer blade capacity and adds to the pushing force. - Answer️️ -downgrade ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM 5 You can reduce the amount of lost load by ________. This keeps the load from slipping away. - Answer️️ -slot dozing Which equipment is best for digging trenches 8' or less? - Answer️️ -wheeled backhoe An employer is responsible for all medical services except ________. - Answer️️ -portable defibrillator An adequate supply of ________ water clearly marked shall be provided for drinking. - Answer️️ -potable Common drinking cups are ________. - Answer️️ -forbidden For 20 or less employees, ________ number of toilet facilities are to be provided. - Answer️️ -1 Employees whose vision requires corrective lenses shall ________. - Answer️️ - wear goggles that can be worn over corrective spectacles Who will furnish all respirator equipment needed? - Answer️️ -employer Travel distance from any point to the nearest fire extinguisher shall not exceed ________. - Answer️️ -3,000 square feet ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM 6 No more than ________ of flammable or combustible liquid shall be stored in a room outside of an approved storage cabinet. - Answer️️ -25 gallons Bundled bricks shall not be stacked more than ________ in height. - Answer️️ -7' When loose, the brick stacks that reach 4' should be tapered back ________. - Answer️️ -2' every foot of height above 4' level Used lumber shall have all nails withdrawn before stacked and shall not be stacked over ________ in height. - Answer️️ -20' Rigging equipment will be inspected prior to use and ________. - Answer️️ - removed from service if found to be defective If debris is dropped more than ________ to any point outside the exterior walls of a building, any enclosed chute of wood or cloth shall be used. - Answer️️ -20' Handheld power tools shall be equipped with a ________ switch that will shut off the power when pressure is released. - Answer️️ -pressure switch Guards shall be used at all times on all portable, pow