Chapter 4 - AIC Exam Questions and Answers 100% Pass

Chapter 4 - AIC Exam Questions and Answers 100% Pass Steel and precast concrete are commonly installed by ____ - Correct Answer ️️ -pile drivers a ____ is a mechanical piece of equipment that drives a piling into the ground by striking the head of the piling. - Correct Answer ️️ -pile driver _____ are the simplest type of pile drivers. - Correct Answer ️️ -drop hammer pile driver a ____ consists of a heavy weight that is raised by a cable along a guided track and then dropped freely onto the head of the pile - Correct Answer ️️ -drop hammer pile driver ______ uses a mechanical actuated piston and hammer to drive pile into the ground; can be powered by internal combustion, steam, compressed air, or hydraulics - Correct Answer ️️ -mechanical hammer pile driver ____ rapidly vibrates the head of the pile in up-and-down cycles while placing downward pressure, which causes the soil and piling to expand and contract, relieving friction and driving the piling downward - Correct Answer ️️ -vibratory hammer pile driver _____ uses pipes to deliver concentrated jets of water or air to loosen the soil directly beneath the piling, relieving friction and driving the piling downward. - Correct Answer ️️ -pile jetting cast-in-place concrete piles are often drilled using _____ - Correct Answer ️️ -pile drillers _____ utilize a large steel auger to bore a hole into the ground that can then be filled with concrete - Correct Answer ️️ -pile drillers what three pieces of equipment are commonly used in construction to stabilize the sides of open excavations and work areas? a. sheet pilings b. cofferdams c. tiebacks d. all of the above - Correct Answer ️️ -d. all of the above _____ are designed to stabilize the sides of open excavations by resisting the lateral pressure of soil and water. - Correct Answer ️️ -sheet pilings ____ interlock to one another along their vertical joints and are installed in a manner similar to that used for other piles, often by a pile driver. - Correct Answer ️️ -sheet pilings ____ are temporary enclosure primarily used to hold back water for activities requiring a dry work area, and are commonly used in bridge construction. - Correct Answer ️️ - cofferdams _____ are the simplest method of constructing a cofferdam but are often limited in use because of the large area required. Cofferdams are more commonly constructed using ____ with structural bracing. A combination of both can also be used. - Correct Answer ️️ -earthen embankments; sheet piles This type of cofferdam is constructed by driving sheet piles through water or mud and into stable soil below, forming a watertight, boxlike, or circular structure. Once sheet piles are in place, they are structurally braced, and the water is pumped out. a. sheet piling cofferdams b. earthen embankment cofferdams - Correct Answer ️️ -a. sheet piling cofferdams T or F; Pile foundations are intended for vertical loads - Correct Answer ️️ -true a _____ bracing system is an external bracing system that uses metal rods or wires anchored into rock or soil outside of an excavation to support the face of an excavation. - Correct Answer ️️ -tieback Which type of bracing system provides larger clear work areas with the excavation? a. tieback bracing systems b. internally braced systems - Correct Answer ️️ -a. tieback bracing systems ___ is the process of removing ground or surface water so that construction activities can take place - Correct Answer ️️ -dewatering Different types of pumps are using to dewate