Missed Questions Flashcards by Angelo Campus

When notching and boring studs in bearing walls, you must not cut more than

40% when boring 25% when notching

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When notching and boring studs in nonbearing walls, you must not cut more than

60% when boring 40% notching

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What is a batter board?

Supports layout strings when building foundations

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What is an underpinning and how often should it be checked?

Supports foundations during excavations. Daily.

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What is the minimum height of a parapet wall on a commercial building?

30 inches

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Tree branches over roadways must be trimmed to

17 feet

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What is the minimum size of lumber that could be used in light duty scaffolding

2 x 4

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What percent of vertical length can a horizontal vent be?

75%

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What is a Lanker rod used for?

Surveying, using electronic distance, measurement machine

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What type of drywall is best used in the bathroom

Green board

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What is the first rolling of asphalt called?

Breakdown rolling

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What is a draft stop used for?

Restricts the movement of air within open spaces of concealed areas of buildings

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What is the maximum height of a fence before a building permit is required

6 feet

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How often should fire extinguishers be inspected and serviced

Inspected monthly. Serviced annually.

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What is the minimum overlap for a floor joist?

3 inches

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What is a cloud bubble around a portion of a drawing indicate

That there is a detail or addendum referenced

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How much training is required to work with asbestos?

Eight hours annually

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In a scaffold type shoring system, the rated safe, working load of a single leg is somewhere in the range of

4000 to 25,000 pounds

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What is the minimum recommended stripping time at the start of a tunnel concreting job

12 hours for exposed surfaces, eight hours for construction joints

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When pouring a concrete tunnel lining, where should a scratch test be performed before removing an arch form

At locations made accessible by access doors

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What is the maximum allowable variation and thickness for a tunnel lining as determined by ACI committee, 347

-0

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What defects in a public works timber pile are caused for automatic rejection

Internal checks revealed by sounding with a hammer
Holes more than one half inch in diameter
Sound knots larger than 4 inches or 1/3 diameter

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In Public works projects, splices in steel piles must include all of the following

Full penetration, but weld of the entire cross-section
No more than two splices total and no splices in the top 10 feet
Splice segment aligned for a straight pile Axis

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A cast in place concrete pile may be poured in a driven shell that is collapsed to a minimum of

85% of original diameter

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Concrete form grade plywood is

Edge, sealed, and mill oiled

Minimum size for collar ties on roof rafters

1“ x 4“

What does S1S1E on lumber stand for?

Surfaced, one side, and one edge

What is the best material to use for exterior drywall applications?

Gypsum sheathing

What could cause drywall joints to shrink?

Joints filled too heavy

What thickness drywall is most frequently used for ceilings with framing space 16 inches on center

1/2 inch drywall

What is the fire rating of 5/8 inch type X wall board?

One hour per layer

What certification is required for installation removal or modification of an underground water tank?

Hazardous substance, removal, certification, examination

Type A soils

Cohesive soil with compressive strength of 1.5 tons per square foot or greater. Examples include clay, silty clay, Sandy clay, etc. No soil is type if it is fissured, subject to vibration, Previously disturbed, part of a sloped or layered system, or has seeping water

Type B soil

cohesive soils with compressive strength greater than 0.5 tons per square foot, but less than 1.5. Examples include angular, gravel, silt, Silt loam. Previously disturbed soil, unless otherwise classified as type C. Dry unstable rock.

Type C soil

Cohesive soil with unconfined compressive strength of less than 0.5 tons per square foot. Granular soil, such as gravel, sand and loamy sand, submerge soil, soil, from which water is freely, seeping, and submerge rock that is not stable.

Soil that is cemented cannot be

Crushed into individual soil particles by finger pressures

Crushed rock would be classified as which soil category

Type B

What is the aggregate grade for type B asphalt concrete?

Three-quarter inch maximum, medium

Who is responsible to stake out a construction site when Caltrans is involved?

Department of transportation

Electrical code applies to all except

Underground mines

A thin asphalt overlay applied to seal and provide a new wearing surface for an existing highway

Slurry seal

How do you attach a wood frame to a steel beam?

Attach a sill

What is the invert of a pipe

The elevation of the inside bottom of a pipe

Bridge piers most typically utilize a

Bell Caisson

The first course of asphalt for a median should be how thick?

2”

Which is the proper way to install plywood floor sheeting

But edges tightly together

What code is most commonly adopted for building construction in California?

International building code

What is the proper nail spacing on a plywood sheer wall?

6 inches on center

What is the largest size rock permitted in bed excavation Phill within 3 feet of finished grade

3 inches

Construction using steel and concrete together is called

Composite construction

The spacing of wall reinforcement may not exceed

48 inches

Strips of tar and fasteners are used on what type of roof

Concrete deck

What is the maximum load of compacted gravel surface under a building?

2000 psi

What kind of plane do you use to bevel or chamfer wood corners?

Block plane

The loads placed on the basement of the building from fill and ground pressures are

Lateral load

In explosives work, what does stemming refer to

Confining explosives in a blast hole

Open grated asphalt should not be placed when the air temperature drops below

60°F

What is the main advantage of using metal framing?

Ease of assembly

What is the purpose of rip rap around a pipe?

Broken stones used as a sustaining bed to prevent erosion

What do ceiling joist rest on?

Exterior walls

What type of fire extinguisher is used to extinguish an electrical fire?

Carbon dioxide

What type of crane would be used on a high-rise building?

Guy derrick

Opening in a pipe with Director threw a connecting extension pipe is called a

Clean out

When placing 4 inch lifts next to a previously placed lane, the correct order for rolling asphalt is

Transverse joints, longitudinal, joints, breakdown, rolling, second rolling, finish rolling

What does W 18 X 40 Indicate on a steel erection drawing

18 inches wide weighing 40 pounds per foot

On a plan, showing the contour lines on the sides of the hill what the symbols X on the lines refer to

An abrupt change of direction

What type of deck has longitudinal ribbing?

Cellular steel

Where do you find seismic records?

Building code

Name three methods for designing asphalt mixes

Marshal Hveem Hubbard-field

What is the name of the formula that relates the pressure distribution between a foundation and the underlying soil?

Boussinesq

What would be associated with the low shrinkage concrete?

Granite aggregate

What is a roadway crown?

Area between the centerline of a road and the curb or shoulder that runs parallel

When load testing at concrete structure, how long should the test be conducted?

24 hours

What is the minimum distance between a structural excavation and a large scale utility excavation?

The same as the depth of the utility excavation

What degree of band does not allowed in a horizontal bar with a hook in a beam?

60° not allowed 90, 135, 140 - allowed

What is an advantage of steel over Wood?

Nominal shrinkage

The hardest part of working with concrete forms is

Locating and placing embedded items

The flanges of steel tea beams should be

1/2 nominal width

Maximum slope of an excavation to construct on a hillside

Two to one

In construction of concrete tea beams the width of slab effective as a TB flange may not exceeded

1/4 of the span length of the beam

What is the correct moment inside any structure?

Equal and opposite

What is the colorimetric test

The sodium hydroxide test is used to detect higher organic content in aggregate

What is the typical allowable tolerance when finish grading?

.08 feet ~1 inch

The distance of rebar from the natural ground should be

3 inches

What is the minimum width of a temporary traffic lane?

10 feet

The standards for highway safety as it relates to flagger signals come from the California

Department of transportation

When specifications require a sump, how far should the pipe extend into the manhole?

Only to the inner edge of the manhole wall

What is the minimum slope for trench walls?

Three-quarter to one 3/4 : 1

What is the advantage of a bucket line trencher

Can get closer to pipe

Where do you set a string line before paving with asphalt?

String line is set at centerline with a 6 inch offset away from the area being paved

Type A warning lights are

Low intensity, flashing warning, lights

What are type B warning lights?

Hi intensity, flashing warning lights Steady burn lights are type C

What is it called when rocks and an aggregate base come to the top with no fines to bind them

Bony grade

When ripping, extremely hard, and rocky ground with the dozer, which should you do

Rip from north to south

When breaking up concrete for use in fill what is the maximum dimension allowed for any piece?

6 inches

What is the correct way of paving a cul-de-sac?

First pass at the outside edge, second pass should overlap slightly with the first pass

When you’re paving an asphalt road in one pass, how should you proceed and why?

Start rolling on low side and progress toward high side

If a contractor breaks a waterline not shown on the plans, who is responsible

Owner or awarding authority

To dispose of concrete how far from the nearest pipeline or tree must you bury it?

10 feet

A builders transit usually does not have a

Compass

Placement of open web joist work is best done by a

Ironworker

Why is rebar tied?

To hold it in strength during a poor

What is the recommended placement of door hinges on flush doors?

Middle hinges centered between

How long after unloading materials, can you leave them in the street road or highway?

Five days

In surveying, a stake marked with an arrow without a circle through the tail indicates

Grade has not been reached

The break up of a concrete road is also known as

Spalling

What is the minimum dimension of a wooden mid rail when a railing is required for a raised floor, ramp or platform?

2 x 4

What are the minimum dimensions for a toe board?

4 inches high off the platform with no more than a quarter inch gap between it and the platform

Handrails are required on a ramp that exceeds a slope of

1:15 6%

Guard rails are required. The ramp has open sides taller than.

30 inches The same applies for unclosed floor and roof openings, porches, stairways, and landings

What is the problem with placing a foundation on clay soil?

Clay expands, when wet

What type of foundation is appropriate for a clay base?

Piles. They bypass the clay, so the instability is less of a problem.

What is the maximum distance between post on a scaffold guard

8 ft