CSLB C20 TRADE TOUGHER ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS
COMPLETE TEST PAPER
●● Unloaded materials can only stay in the street
Answer: 5 days
●● What type of equipment is best used for mud
Answer: track dozer or loader
●● What is the color of wire going into the ground
Answer: green
●● What is it called when rocks in an aggregate base have come to the
top with no fines to bind them
Answer: Bony grade
●● A flagger should stand within ..... of work area with what size flag
Answer: 100ft and 18 inch flag
●● Where do you set a string line before paving with asphalt
Answer: 6 inches offset from centerline of roadway
,●● Where toeboard's are required in a construction site what are the
minimum dimensions
Answer: 4 inches high off the platform with no more than 1/4 inch gap
●● If you were driving nails and find that they have a tendency to split
the boards what alternative type of nail might use to prevent the splitting
Answer: Either sinker or box nail
●● Which of the following methods of removing old asphalt pavement
is not correct
Answer: Rip the asphalt before removing with a paddle wheel scraper
●● when working with transit you take the height of the instrument and
Answer: Subtract
●● After placing a steel pipe pile what do you fill it with
Answer: Concrete
●● What kind of pipe needs a tracer
Answer: Plastic gas pipe
, ●● When you are paving asphalt road and one pass hell should you
proceed
Answer: Start rolling on low side and progress towards high side
●● What should be done to prevent concrete from sticking to steal forms
Answer: Use form oil
●● When finish grading what is the allowable
Answer: .08'
●● What do you line an old underground storage tank with
Answer: Special coating or bladder
●● On what type of surface should you not use latex paint
Answer: Smooth gypsum board
●● A steep near vertical slope along the margin of a landslide
Answer: Scarp
●● What is the minimum tolerance that must be maintained for a
concrete slab to be considered very
Answer: 1/8"
QUESTIONS AND CORRECT ANSWERS
COMPLETE TEST PAPER
●● Unloaded materials can only stay in the street
Answer: 5 days
●● What type of equipment is best used for mud
Answer: track dozer or loader
●● What is the color of wire going into the ground
Answer: green
●● What is it called when rocks in an aggregate base have come to the
top with no fines to bind them
Answer: Bony grade
●● A flagger should stand within ..... of work area with what size flag
Answer: 100ft and 18 inch flag
●● Where do you set a string line before paving with asphalt
Answer: 6 inches offset from centerline of roadway
,●● Where toeboard's are required in a construction site what are the
minimum dimensions
Answer: 4 inches high off the platform with no more than 1/4 inch gap
●● If you were driving nails and find that they have a tendency to split
the boards what alternative type of nail might use to prevent the splitting
Answer: Either sinker or box nail
●● Which of the following methods of removing old asphalt pavement
is not correct
Answer: Rip the asphalt before removing with a paddle wheel scraper
●● when working with transit you take the height of the instrument and
Answer: Subtract
●● After placing a steel pipe pile what do you fill it with
Answer: Concrete
●● What kind of pipe needs a tracer
Answer: Plastic gas pipe
, ●● When you are paving asphalt road and one pass hell should you
proceed
Answer: Start rolling on low side and progress towards high side
●● What should be done to prevent concrete from sticking to steal forms
Answer: Use form oil
●● When finish grading what is the allowable
Answer: .08'
●● What do you line an old underground storage tank with
Answer: Special coating or bladder
●● On what type of surface should you not use latex paint
Answer: Smooth gypsum board
●● A steep near vertical slope along the margin of a landslide
Answer: Scarp
●● What is the minimum tolerance that must be maintained for a
concrete slab to be considered very
Answer: 1/8"
