Residential Contractor Tennessee Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA+

The bucket's maximum capacity when the material is heaped above the edges of the bucket is Correct Answer: heaped The contents of the bucket when it is filled to the level of the rim. No material is heaped over the rims, is Correct Answer: struck Struck capacity is Correct Answer: level Heaped capacity is Correct Answer: above the rim How is a load factor calculated Correct Answer: bank volume / bank volume + swell percentage 2 Co. vol. = Correct Answer: L x W x D / 27 What is the advantage of a U-blade versus a Semi-U blade? Correct Answer: holds more material (40%) What piece of equipment is a good choice if you have a wide trench with no crosslines? Correct Answer: Sheeps foot roller The later the pipe diameter, the smaller the fall requirement is needed to maintain a water velocity great enough to prevent Correct Answer: solids from settling out A ____________ stake is a small stake driven into the ground to identify a particular reference point. Correct Answer: 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? Correct Answer: both horizontal What percent slope rises at a 45 degree angle? Correct Answer: 100% 3 Excavate _______ trenches around a tree deep enough to cut through the root system of the tree. Correct Answer: 4 ________ is the easiest type of rock to rip. Correct Answer: rippable sedimentary The level of the groundwater is known as the ________. Correct Answer: water table Well points work well in ________ soils. Correct Answer: course grain or sandy How do you calculate time to excavate a set