ARE Study Review

How can a single radiant barrier be used to block either summer heat gain or block heat loss at an attic, but not both? Answer Placed on the outside of thermal insulation, a radiant barrier reflects heat back toward the roof, but would have to face the heated side of the insulation to block heat loss. ARE 4.0 exam prep: BDCS

Which of the following types of thermal insulation can be blown into wall or ceiling cavities with least difficulty, but contains no adhesive properties? I. Cellulose II. Rock wool III. Vermiculite IV. Mineral wool V. Straw VI. Polyicynene Answer I, II and III are loose-fill types of insulation that can be blown. IV comes in batts, V can come in boards or bales, VI is a spray-foam that adheres to the cavity. ARE 4.0 exam prep: BS

What is the difference between these types of wastewater: greywater and blackwater? Answer Greywater is wastewater from sources that do not contain human waste. Blackwater comes from any source, including toilets and urinals. ARE 4.0 exam prep: BS

In larger buildings, expansion joints should be spaced every ___ ft to _____ft along unbroken masonry wall lengths. Answer 100-125 ft. (in Ballast, this range is given as every 100-150 ft. ARE 4.0 exam prep: BDCS

What are three ways to prevent the unsightly, but not harmful, appearance of a white, crystalline deposit of water-soluble salts on a brick surface? Answer 1. specify brick & mortar with limited or no soluble salt content, 2. form tight joints in the brick to minimize water seeping into the masonry, 3. detail the wall to avoid water penetration through the wall. ARE 4.0 exam prep: BDCS

Fill-in blanks: 1. According to IBC, the ends of masonry supported wood beams or girders, must have at least ____ inches bearing. A wood beam, 3.5" douglas fir-larch no.2, spanning 10 feet supports a combined dead and roof live load of 300 plf. 2. Total reaction of the beam is R = ______ lbf. Allowable compression perpendicular to grain for this beam is 625 lbf/sqin. 3. Required bearing area is A = ____ sqin. Answer 1. 3 inches, 2. R= (300)(10)/2 = 1500 lbf, 3. A = 1500/625 = 2.4 sqin., 2.4/3.5 = .685 in. which is less than the code minimum of 3 in. Therefore, the required bearing is 3 inches. ARE 4.0 exam prep: BDCS

Under what circumstance and for which occupancies may a dead-end corridor distance be unlimited? Answer For all occupancies, a dead-end distance may be unlimited when the dead-end is less than 2.5 times the least corridor width. See IBC table 1017.1 ARE 4.0 exam division: programming, planning & practice

Which type of fire extinguisher is suitable for a fire involving electrical equipment, before the source of electricity has been disconnected? Class A Class B Class C Class D Class K Answer Dry-chemical media is suitable, available as Class ABC, or Class BC, never Class A only extinguishers which are water type.. ARE 4.0 exam prep: BS

What is the most efficient HID lamp in terms of expected lifetime and output in lumens per watt, but providing no color rendition (produces monochromatic yellow light)? I. Metal halide II. High pressure sodium III. Low pressure sodium IV. Mercury vapor Answer III. Low pressure sodium. It is only suitable for security lighting applications. ARE 4.0 exam prep: BS

What is the safest type of conduit, with the same wall thicknesses as schedule 40 plumbing pipe? A. Intermediate metallic conduit (IMC) B. Rigid conduit C. Electrical metallic tubing (EMT) D. Flexible metal conduit (flex or greenfield) E. Interlocked armored cable F. Sheathed wire (NM or NMC) Answer B. Rigid conduit is the safest, next safest with thinner walls than plumbing pipe is A. IMC, which is generally as acceptable. ARE 4.0 exam prep: BS

Why can shortening the scheduled time of construction decrease the contractor's overhead? Answer Although direct costs may increase as overtime or additional workers are added, the contractor's overhead is decreased by shortening the overall time necessary to carry certain project overhead costs such as insurance, heat/cooling, project office or security.

In the northern hemisphere, which of the following exterior sun controls are most effective for east and west building exposures? A. Vertical Fins B. Vertical Baffles C. Horizontal Overhangs Answer A. Vertical Fins ARE 4.0 exam prep: SPD

Generally, what is the range in temperature and relative humidity of the human comfort zone? Answer 65-75 degrees F with 30-60% relative humidity. ARE 4.0 exam prep: SPD

Which of the following is not considered a General Overhead Cost? (Select 2) A. Advertising B. Consulting fees C. Permits D. Equipment storage E. Wages (staff) Answer Permits and equipment storage can be charged to a specific project and are considered Project Overhead Costs.

The amount of shrinkage, weight, strength, and withdrawal resistance of nails is affected by the moisture content in wood. Wood that is grademarked kiln dry has a maximum moisture content of: A. 15% B. 19% C. 25% D. 30% Answer A. 15%. Dry lumber moisture content cannot exceed 19%. ARE 4.0 exam prep: SS

IBC specifies construction techniques with regard to the structural integrity of wood.  Areas that include crawl spaces require ventilated openings located for cross ventilation. How is the minimum net area of openings determined?

Which of the following is the maximum slope for a grassed area? A. 0.5% B. 2% C. 2-10% D. 25% E. 50% F. none of the above Answer D. 25%. 0.5%=min. for surface drainage, 2%=proper slope away from building, 2-10%=range for drainage ditches, 50%=max. for stable soil with surface cover(rocks, ivy...) ARE 4.0 exam prep: SPD

What material must be used for the hinges on a fire-rated door? Answer Either steel or stainless steel hinges must be used. Architect Registration Exam 4.0 study: BDCS

Which type of glazing is used in fire-resistance-rated partitions where the partition must have a rating greater than 1-hour and the glazing must have the same rating as the partition in which it is used? A. Fire-protection-rated glazing B. Fire-resistance-rated glazing Answer B. Fire-resistance-rated glazing - tested as part of a fire-resistance-rated wall assembly in accordance with ASTM E-119. ARE 4.0 exam prep: BDCS

What is the temperature at which water vapor starts to condense out of air that is cooling (as when warm moisture-laden air contacts a cool surface inside of a wall cavity). Answer This is the dew point (Tdp). ARE 4.0 exam prep: BDCS

Why are close-out procedures contained in Division One - General Requirements rather than in General Conditions (AIA A201)? Answer Contractor responsibilities in close-out are more administrative than contractual procedures. ARE 4.0 exam prep: CDS

What is the current in watts for a 9-volt battery connected to a 2 ohm resistor? Answer DC circuit power is P=VxI, where I=V/R. 9v/2r=4.5 amps (I) therefore, 9 volts x 4.5 amps = 40.5 watts. ARE 4.0 exam prep: BS

A double loaded parking lot with curbs is sloped across its width (~ 62ft). Name two options that can be included in its design to allow for drainage. Answer Either curb cutouts or drains to a storm sewer on the side with the lower elevation. ARE 4.0 exam prep: SPD

Which surface material has lower values of albedo and higher conductivity - Grass or new concrete? Answer Grass - as it absorbs more solar radiation, reflects less back into the sky, and releases heat energy later when temperatures have fallen. ARE 4.0 exam prep: PPP

Which of the following are indirect costs to be added to a detailed construction cost estimate? I. Cost escalation contingency amount II. Permits III. Labor unit costs IV. Equipment rental costs Answer I, II, IV, but not III. This is considered as part of direct costs, which includes costs per unit of material and labor multiplied by quantities. ARE 4.0 exam prep: CDS

What is the minimum yield grade designated on a bar that is marked "X 9 W 4"? Answer The last identifier (4) indicates grade 420 (or grade 60 with a minimum yield strength of 60,000 psi). ARE 4.0 exam prep: BDCS

When exiting a ramped driveway to a public sidewalk, the driver's view must not be obscured by the car's hood so that pedestrians on the walk are visible. What is the maximum percent slope of the transition section that is required before the driveway intersects the sidewalk? Answer he slope of the transition should not be greater than 5%. ARE 4.0 exam prep: SPD

In a building where a steel frame is combined with concrete shear walls, the steel frame bears most of the vertical loads. What purpose do the concrete shear walls serve? Answer In this system, the concrete shear walls transmit the lateral forces down to the foundation. ARE 4.0 exam prep: SS

When at least 3 beam members, 2-4 in. thick, are used together in a group, spaced not more than 24 in. o.c. and joined by transverse load distributing elements, what is the repetitive use factor used to adjust for this condition? Answer A repetitive use factor equal to 1.15 is used. ARE 4.0 exam prep: SS

What is the term for the maximum three-dimensional space on a zoning lot within which a structure can be built, as allowed by applicable height, setback and yard controls? Answer Zoning envelope or building envelope.