CHAPTER 4 -AIC EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

1 CHAPTER 4 -AIC EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ 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 2 ____ 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 3 _____ 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 4 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 dewater. 1. ___ pumps create a vacuum internally and are used for low-volume applications. 2. ___ pumps are commonly used for open water with high concentrations of debris and trash. 3. ___ pumps use hydraulics to power the pumps and are ideal when the pump can't be physically placed near the water source. 5 Correct Answer: 1. positive displacement 2. centrifugal 3. hydraulic submersible where should the location of the filtering area be included? Correct Answer: the site logistics plan an ___ is a piece of heavy construction equipment commonly used in the excavation of soils, demolition, and material handling Correct Answer: excavator excavators may be __ or ___ mounted and generally consist of an undercarriage, a housing, a cab, a two-part articulated arm, and a bucket Correct Answer: track, wheel most modern excavators are... a. hydraulically powered b. cable operated Correct Answer: a. hydraulically powered a ___ is a tractor-like piece of construction equipped with a front-mounted blade. they are typically track mounted and commonly used in clearing and leveling a job site and in pushing/spreading large quantities of materials 6 Correct Answer: dozer a ___ is a wheeled piece of equipment with a center-mounted angled blade. they are typically used to finish grade Correct Answer: grader ___ may be wheel or track mounted and have a wide front-mounted bucket that can be raised, lowered, and dumped. They are commonly used for landscaping, material handling, and loading of stockpiled materials into trucks to be hauled. Correct Answer: loader because of their smaller size, versatile use, and greater affordability, which loader is the most widely used type of loader? a. skid steer loader b. wheel loader c. track loader Correct Answer: a. skid steer loader a ___ is a multipurpose piece of equipment designed to excavate, load, haul, and discharge soil. They are commonly used to quickly excavate large areas. Correct Answer: scraper 7 a ___ is a tractor-like piece of equipment that consists of a two-part articulated arm and bucket mounted to the back and a loader bucket equipped on the front Correct Answer: backhoe ___ are commonly used in shallow and narrow trench excavations, utilities, and material handling Correct Answer: backhoes two common uses of cranes in excavations are ___ and ___. Correct Answer: dragline; clamshells a ___ excavates material by using a dragline (cable) to pull a bucket towards the crane, and the depth of the excavation is controlled by adjusting the tension of a hoist cable. Correct Answer: dragline __ are commonly used in excavations of ditches, canals, and other excavations containing water. a. draglines b. clamshell bucket Correct Answer: a. draglines 8 a ___ is a hinged bucket used to vertically excavate material. To excavate, an opened bucked it dropped straight down into the soil being excavated and then closed by bringing the bucket's jaws toward each other. Correct Answer: clamshell bucket __ are commonly used in excavations below the surface of water, such as cofferdams after sheet piling is installed. a. draglines b. clamshell bucket Correct Answer: b. clamshell bucket The opening and closing of the clamshell bucket is operated by a closing line control by the ____. Correct Answer: crane Soils are compacted to___ their density and shear strength and to ____ permeability and future settlement. Correct Answer: increase; decrease ____ are hand-operated devices that compact materials by delivering a series of vertical blows. They are typically used for the compaction of soils and aggregates in areas with limited space that are not accessible by other types of compaction equipment. Correct Answer: tampers 9 ___ tamper: often a simple pole with a flat, heavy metal plate affixed to the end that compacts material by manually delivering vertical blows Correct Answer: manual ___ tamper: also commonly referred to as a jumping jack; typically a stand-alone piece of equipment powered by a gasoline engine that compacts material by mechanically delivering vertical blows and is self-propelled in that each blow moves the tamper slightly ahead to contact new material. Correct Answer: rammer ____ are hand or machine operated devices consisting of a flat, heavy metal plate that is vibrated up and down to compact material Correct Answer: plate compactors _____ plate compactors are stand-alone compactors that are typically powered by gasoline-engines and roughly resemble a bulky push mower without wheels. Correct Answer: hand-operated ___ rollers compact material by use of heavy smooth-metal rollers and are often used to cover large areas quickly. Correct Answer: smooth wheel ___ smooth wheel rollers are typically pulled by another piece of equipment and used to provide a smooth ground surface. ___ smooth wheel rollers may be pulled or self- 10 propelled and are commonly used in compacting paving courses or to provide a smooth ground surface. Correct Answer: small; large ____ rollers compact material by use of ballast, typically heavy weights, placed over several highly inflated rubber tires. They are commonly used in compacting asphalt courses, clay and silty materials, or granular material containing small amounts of fines. Correct Answer: pneumatic ____ rollers compact materials by use of a heavy metal drum with projecting metal knobs or feet. The feet create a kneading action that is more effective in compacting fine-grained soils, such as clays, than are smooth wheel rollers. Correct Answer: sheepsfoot ____ rollers compact material by vibrating a roller up and down as it moves across the surface of the material. They are commonly used in compacting asphalt courses and granular materials, such as clean sands and gravels. Correct Answer: vibratory Cranes are commonly used for... a. lifting, moving, and placement of large, bulky, and heavy items b. steel erection c. concrete placement d. excavations and pile driving 11 e. all of the above Correct Answer: e. all of the above ____ cranes are erected an fixed to a single location on the job site. Correct Answer: stationary ___ cranes are a type of stationary crane that are often erected and disassembled in sections by mobile cranes. They may be supported at the ground level by a concrete foundation or by the structural frame of the building. Correct Answer: tower ____ cranes move loads by use of a fall block and hook that can be raised/lowered and moved in/out along a horizontal jib that rotates around a central mast or tower. Correct Answer: tower ___ cranes are capable of moving from one place to another without being disassembled. Correct Answer: mobile two basic types of cranes are ... 1. 2. Correct Answer: 1. stationary cranes 2. mobile cranes 12 two most common types of mobile cranes are... 1. 2. Correct Answer: 1. crawler cranes 2. vehicle-mounted cranes most __ cranes are equipped with steel tracks that allow them to move around the job site at slow speeds. They are the most effective on sites that require crane usage for an extended period of time or have significant lifting or multiple crane position requirements. Correct Answer: crawler ____ cranes have rubber tires and often an additional cab that allows them to be driven from one jobsite to another. They are most effective on sites with fewer lifting requirements and that require limited or noncontiguous crane usage. Correct Answer: vehicle mounted cranes ____ is critical in selecting a crane that can safely lift and move its intended load. Correct Answer: capacity A crane's capacity is dependent on... a. the activity and type of the crane 13 b. length of the crane's boom and/or jib c. counterweight of the crane d. weight of the load e. distance of the load from the cranes pivot point f. speed and direction in which the load is moved g. all of the above Correct Answer: g. all of the above in general, the heavier and farther from the crane the load is, the ___ the crane's capacity Correct Answer: less to safely determine a crane's capacity, a ____ chart is provided by the manufacturer Correct Answer: load-rating ____ are used in construction primarily for job-site material handling. Correct Answer: forklifts ____ forklifts are able to move and lift loads vertically and are commonly used in material supply yards Correct Answer: industrial 14 ___ forklifts are able to move and lift loads vertically and are used for loading and offloading deliveries at job sites. Correct Answer: rough terrain straight mast _____ forklifts are able to move and lift loads vertically and horizontally, and they are commonly used for material handling at job sites. Correct Answer: rough terrain shooting boom _______, often referred to as temporary elevators or buck hoists, are common pieces of equipment used to transport workers and material vertically in a multistory building. Correct Answer: personnel and material hoists ____ are used to create an elevated work area to lift workers and their tools and equipment and light materials to be installed. Correct Answer: aerial work platforms _____ lifts are able to lift workers vertically and are able to be used only on level surfaces. They are commonly used for installation of overhead MEPs. Correct Answer: scissor lifts ___ are able to lift workers vertically at a horizontal distance away from and rotate around the main body of the lift. Correct Answer: manlifts 15 the two types of manlifts are ___ and ___ Correct Answer: straight boom manlifts and articulating boom manlifts ___ are commonly used for work on the exterior facade of buildings and where work must take place over other objects, such as landscaping, furniture, and equipment. Correct Answer: manlifts ___ are able to lift workers vertically. They raises and lower workers in a basket connected to a retractable mast. They are point-of-use lifts and unable to be moved when in use. Correct Answer: mast boom lifts The ___ provide the geometry of the building, and the ___ are used to define the nature of the materials, the procedures, and the minimum installation standards. Correct Answer: drawings; specifications the specifications are typically divided by ___ divisions and sections. Correct Answer: Construction Specification Institute (CSI) Although the ___-division format is still used, it is being phased out by the newer ___- division format. Correct Answer: 16; 50 In ____, the 16-division format was updated to a 50-division format. 16 Correct Answer: 2004 Which method of construction scope organizations is the most common? a. 16-division formal b. 50-division format Correct Answer: b. 50-division format Division 01 Correct Answer: general requirements division 02 Correct Answer: existing conditions division 03 Correct Answer: concrete division 04 Correct Answer: masonry division 05 Correct Answer: metals 17 division 06 Correct Answer: wood, plastics, and composites division 07 Correct Answer: thermal and moisture protection division 08 Correct Answer: openings division 09 Correct Answer: finishes division 10 Correct Answer: specialties division 11 Correct Answer: equipment division 12 Correct Answer: furnishings division 13 Correct Answer: special construction 18 division 14 Correct Answer: conveying equipment division 21 Correct Answer: fire suppression division 22 Correct Answer: plumbing division 23 Correct Answer: heating, ventilating, and air conditioning division 26 Correct Answer: electrical division 31 Correct Answer: earthwork division 32 Correct Answer: exterior improvements division 33 19 Correct Answer: utilities most specifications are divided into three parts: 1. 2. 3. Correct Answer: 1. general 2. products 3. execution specifications part 1: ____ provides a description of the work, the submittals required, and any inspections or testing needed to be performed by the contractor Correct Answer: general specifications part 2: ____ provides the technical specification of all of the material or equipment described in the section Correct Answer: products specifications part 3: ___ provides clarification on how material and equipment are to be installed Correct Answer: execution 20 an alternative to the CSI divisions is the ____ standard for classifying building components and systems. It was created by AIA and GSA in the early 1970s and breaks down the various components into seven categories: 1. substructure 2. shell 3. interiors 4. services 5. equipment and furnishings 6. special construction and demolition 7. building sitework Correct Answer: UniFormat Which three divisions changed the most when the CSI format changed to 50-divisions? Correct Answer: 02, 15, 16 ____ are the graphical representation of what the contractor is to build Correct Answer: construction drawings the ____ view shows the building as if someone were viewing the building from above it. These provide overall dimensions of the build, wall types, room dimensions, and locations of sections. Site plans, footing layouts, and life safety are often in this format. Correct Answer: plan 21 the building view, shown as if somewhere were looking toward the horizon, is referred to as an ____. Correct Answer: elevation ____ give the dimension of height, which is not provided in plan view. Exterior windows and cabinets are commonly shown as this. Correct Answer: elevation How are exterior elevations commonly named? Correct Answer: by their compass directions or relation to the front of the buildings, such as west elevation or rear elevation a ____ is a type of view provided where a section of the building is cut away to expose the hidden areas. the cutting plane is typically vertical to the building. Window details and rebar are commonly shown in section view. Correct Answer: section _____ are a pictorial drawing of systems of the building shown in 3D. Commonly they are drawn so that the plan view is turned 90 degrees and the elevation 30 degrees from the horizontal axis. Correct Answer: isometric drawings ____ are a type of view used to show special conditions of a component of a building. They are typically larger scale to show more information. Correct Answer: details 22 a ____ in construction drawings is used to provide detailed information about specific building components or pieces of equipment. They are commonly used to describe structural footings and provide information such as length, depth, and width as well as rebar size, location, and direction. Correct Answer: schedules ___ are used to represent more elaborate systems and can be letters, numbers, or thumbnail images. Correct Answer: symbols when symbols are used, a ___ must be provided to explain their meaning. Correct Answer: legend sets of drawings will contain ___ on many of the pages, and these provide supplemental information needed to understand the pictorial plans. Correct Answer: notes supplemental instructions come from the _____ and as such are often placed on the plans instead of in the specifications. Correct Answer: authority having jurisdiction an important aspect of the building is its elevation. a fixed point, commonly the first floor slab, is given an arbitrary elevation of ___ ft to ___ ft for easy calculation of other elevation points. 23 Correct Answer: 0, 100 ___ colored dashed lines are used to show existing elevations of grade and ___ solid lines are used to show the grade the contractor is to build to. Correct Answer: light; darker ___ are used to show objects, dimensions, and locations within a set of drawings. Correct Answer: lines ___ lines: used to show dimensions, leaders, and extension lines Correct Answer: light solid ___ lines: used to show objects Correct Answer: bold solid line ____ lines: used to show hidden objects or objects below/above the cutting plane Correct Answer: dashed line ___ line: used for centerlines Correct Answer: dash then dot lines __ line: used for cutting planes Correct Answer: dash, dot, dot line 24 the ____ is the table of contents for the set of drawings and is very useful for finding information quickly. It is oftentimes on the cover. Correct Answer: drawing index the ____ is made up of one or two letters followed by numbers. the letter corresponds to the type of drawing. Correct Answer: drawing number Drawing letters: c - a - s - m - p - fp - e - Correct Answer: c - civil a - architectural s - structural m - mechanical p - plumbing fp - fire protection 25 e - electrical