General B Test 6

Question 1

If unused mortar stiffens due to hydration of cement, what must you do?
a) Spread out over lawn and water
b) Re-bag for later use
c) Discard the mortar
d) Save to re-use

Answer 1

c) Discard the mortar

Question 2

What minimum time must you wait before caulking or grouting new tiles?
a) 24 to 48 hr
b) 12 to 24 hr
c) 2 to 4 hr
d) 48 to 74 hr

Answer 2

a) 24 to 48 hr

Question 3

How long should you wait before installing tile on a shower pan?
a) 10 hr
b) 12 hr
c) 24 hr
d) 48 hr

Answer 3

b) 12 hr

Question 4

Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of:
a) Type-A Soils
b) Type-B Soils
c) Type-C Soils
d) Type-D Soils

Answer 4

b) Type-B Soils

Question 5

If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? a) 15V
b) 25V
c) 35V
d) 40V

Answer 5

c) 35V

Question 6

For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil is:
a) 1:2 (90°) b) 1:3 (30°) c) 1:1 (45°) d) 1:4 (25°)

Answer 6

c) 1:1 (45°)

Question 7

A Pittsburgh joint is used in:
a) Cabinetry
b) Fencing
c) HVAC ductwork
d) Truss work

Answer 7

c) HVAC ductwork

Question 8

The drain for a pressure relief valve on a water heater should be extended to:
a) The inside of the building
b) The center of the building
c) Vented through the wall
d) The outside of the building

Answer 8

d) The outside of the building

Question 9

What is the minimum slope toward the drain of a shower pan?
a) 1/8” per foot (4%)
b) 1/2” per foot (25%)
c) 1/4” per foot (2%)
d) 1/3” per foot (12%)

Answer 9

c) 1/4” per foot (2%)

Question 10

What is the diameter of #3 rebar?
a) 3/8”
b) 3/4”
c) 1/2”
d) 1/8”

Answer 10

a) 3/8”

Question 11

If a vendor fails to provide an MSDS, you have the right to call:
a) Swift
b) Cal/OSHA or DOSH
c) CSLB
d) Police

Answer 11

b) Cal/OSHA or DOSH

Question 12

When installing a door jamb, you need shims at:
a) From the bottom center of the door, two on each side
b) At the strike plate
c) From the top, two on either side
d) Both hinge and strike sides, three on each side.

Answer 12

d) Both hinge and strike sides, three on each side.

Question 13

Which of the following is used to adhere vinyl floors?
a) Epoxy cement
b) Asphalt mastic
c) Latex primer
d) White glue

Answer 13

a) Epoxy cement

Question 14

When do you need bracing for a drywall wall?
a) Diagonal bracing is needed every 12’ for any drywall wall.
b) Diagonal bracing is needed every 14’ for any drywall wall.
c) Diagonal bracing is needed every 25’ for any drywall wall.
d) Diagonal bracing is needed every 30’ for any drywall wall.

Answer 14

c) Diagonal bracing is needed every 25’ for any drywall wall.

Question 15

How should you clear the roots from a construction site?
a) Clear roots to 24” below grade
b) Clear roots to 12” below grade
c) Clear roots to 30” below grade
d) Clear roots to 36” below grade

Answer 15

b) Clear roots to 12” below grade

Question 16

Dividing watts by amps gives you:
a) Ohms
b) Liters
c) Amperage
d) Volts

Answer 16

d) Volts

Question 17

The most frequent on-the-job roofing accidents are:
a) Falls
b) Twisting back
c) Neck kinks
d) Twisted ankle

Answer 17

a) Falls

Question 18

Which of the following is NOT a type of wood block flooring?
a) Parquet
b) Wood Mosaic
c) Wood Tile
d) All of the above

Answer 18

c) Wood Tile

Question 19

Lightweight concrete is best used for:
a) Footings
b) First-floor slab on grade
c) Second-floor decking
d) Curb and Gutter

Answer 19

c) Second-floor decking

Question 20

The tool used to carry grout needed to patch a small hole is a:
a) Spot board
b) Hawk
c) Poling board
d) Mason’s scutch

Answer 20

a) Spot board

Question 21

Which pipe is NOT appropriate for industrial wastes?
a) Copper
b) Extra strength vitrified clay
c) Schedule 40 ABS DWV
d) Cast iron

Answer 21

a) Copper

Question 22

Where do you need a fire wall?
a) Between a kitchen and a bath
b) A separation wall between a dwelling and an attachment
c) Between a living room and a bedroom
d) Between a bedroom and a bathroom

Answer 22

b) A separation wall between a dwelling and an attachment

Question 23

What is the minimum clearance between rough ground and untreated subfloor joists? a) 12”
b) 14”
c) 16”
d) 18”

Answer 23

d) 18”

Question 24

Who may remove asbestos?
a) Any B-General Contractor
b) A drywall Contractor
c) Contractor with Asbestos Certification on license.
d) Any Licensed Contractor

Answer 24

c) Contractor with Asbestos Certification on license.

Question 25

Which of the following is NOT likely to be found in significant proportions in granular soil? a) Clay b) Gravel c) Sand d) Silt

Answer 25

a) Clay

Question 26

Stiles and rails are used on which of the following? a) Roofs b) Slabs c) Windows d) Furred walls

Answer 26

c) Windows

Question 27

What does a high slump test indicate? a) Too much water b) Too little water c) Too much dust d) Too much sand

Answer 27

a) Too much water

Question 28

Metal concrete forms should be? a) Watered b) Placed against gravel c) Discarded after each use d) Oiled

Answer 28

d) Oiled

Question 29

What does the R mean in a description of insulation? a) Retention b) Resistance c) Retaliate d) Rise

Answer 29

b) Resistance

Question 30

What kind of door would you install for someone with a disability? a) Automatic with maximum of 5 seconds to open b) Manual with maximum of 8.5 pounds to operate c) Automatic with minimum of 3 seconds to close d) Either B or C

Answer 30

d) Either B or C

Question 31

Triple-walled metal chimney installations are regulated by: a) ICC b) NIC c) DIR d) ETC

Answer 31

a) ICC

Question 32

If you are a general contractor, you should call a specialty contractor when: a) You don't have the license b) You don't know what to charge c) You encounter an unfamiliar trade. d) You don't have the tools

Answer 32

c) You encounter an unfamiliar trade.

Question 33

When a stairway serves a public building, what is the minimum number of steps for which a handrail is required? a) One b) Two c) Three d) Four

Answer 33

b) Two

Question 34

What is the minimum underlayment for asphalt shingles? a) 10 pounds b) 15 pounds c) 25 pounds d) 35 pounds

Answer 34

b) 15 pounds

Question 35

How long should you wait before sealing new tile work? a) 1 weeks b) 2 weeks c) 3 weeks d) 1 day

Answer 35

b) 2 weeks

Question 36

When do you install insulation? a) After the flooring is installed b) After the studs are set c) After the drywall is in d) After the electrical and plumbing are approved.

Answer 36

d) After the electrical and plumbing are approved.

Question 37

When do you NOT need an exhaust fan in a bathroom? a) When the bathroom is larger than 200 sq ft b) When you have a cloth shower curtain c) When there is a window in the bathroom. d) When the bathroom has been painted with water proof paint

Answer 37

c) When there is a window in the bathroom.

Question 38

What is a bush-hammer used for? a) Roughen surface of hardened concrete b) When trimming the bushes c) When laying out a foundation d) When trimming the bushes around a tree

Answer 38

a) Roughen surface of hardened concrete

Question 39

When you say a wall is perfect it is: a) Straight b) Plumb c) Both plumb and straight d) None of the above

Answer 39

c) Both plumb and straight

Question 40

The purpose of a batter board in concrete work is: a) To mix the sludge b) Support layout strings when location foundations c) To mix the sand, cement, and water d) All of the above

Answer 40

b) Support layout strings when location foundations

Question 41

What is the difference between a hip jack rafter and a common rafter? a) A hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board b) A hip jack rafter runs to the load bearing header over the front door, while the common rafter runs to the top of a slider c) A hip jack rafter is 12" and a common rafter is 24" d) None of the above

Answer 41

a) A hip jack runs from the top plate to a hip rafter, but a common rafter runs to the ridge board

Question 42

When should you float a concrete surface? a) After the poor b) As soon as the water sheen evaporates c) 12 hours after it has been finished d) A and C

Answer 42

b) As soon as the water sheen evaporates

Question 43

When installing drywall screws you should: a) Keep them 12" apart b) Countersink c) Leave slightly above the surface d) Drive just below the face of the board without breaking the paper.

Answer 43

d) Drive just below the face of the board without breaking the paper.

Question 44

Before placing tile with mastic, you should: a) Seal the surface b) Wet the surface c) Dry the surface d) Finish the surface

Answer 44

a) Seal the surface

Question 45

At an excavation, an Underground Service Alert (U.S.A) marking on the dirt that uses red paint or chalk means: a) Water b) Gas c) Electric power d) Sewer

Answer 45

c) Electric power