Missed Questions Flashcards
When notching and boring studs in bearing walls, you must not cut more than
40% when boring 25% when notching
When notching and boring studs in nonbearing walls, you must not cut more than
60% when boring 40% notching
What is a batter board?
Supports layout strings when building foundations
What is an underpinning and how often should it be checked?
Supports foundations during excavations. Daily.
What is the minimum height of a parapet wall on a commercial building?
30 inches
Tree branches over roadways must be trimmed to
17 feet
What is the minimum size of lumber that could be used in light duty scaffolding
2 x 4
What percent of vertical length can a horizontal vent be?
75%
What is a Lanker rod used for?
Surveying, using electronic distance, measurement machine
What type of drywall is best used in the bathroom
Green board 
What is the first rolling of asphalt called?
Breakdown rolling
What is a draft stop used for?
Restricts the movement of air within open spaces of concealed areas of buildings
What is the maximum height of a fence before a building permit is required
6 feet
How often should fire extinguishers be inspected and serviced
Inspected monthly. Serviced annually.
What is the minimum overlap for a floor joist?
3 inches
What is a cloud bubble around a portion of a drawing indicate
That there is a detail or addendum referenced
How much training is required to work with asbestos?
Eight hours annually
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
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
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
What is the maximum allowable variation and thickness for a tunnel lining as determined by ACI committee, 347
-0
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
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
A cast in place concrete pile may be poured in a driven shell that is collapsed to a minimum of
85% of original diameter
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
