Residential Contractor Practice Exam Questions
With Solved Solutions
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100
feet long? The hourly production rate is 40 BCY and the operator has average
ability with an efficiency factor of 75%. - ANSWER>>4 hour
What is the MINIMUM grade fall away from foundation walls? - ANSWER>>6
inches within the first 10 feet.
What is the MINIMUM overlap for joints in the polyethylene film moisture barrier
applied over the exterior of a below grade foundation wall? - ANSWER>>6 inches.
Which is the first step that needs to be taken prior to starting any excavation
work? - ANSWER>>contacting the local utility companies
A foundation drain shall extend past the outside edge of the footing at least how
far? - ANSWER>>12 inches
What is the purpose of a cove or cant strip at a foundation joint? -
ANSWER>>Deflect water from the foundation wall.
A concrete masonry foundation wall extends below grade and will require parge
coating using
Portland cement mortar. What is the minimum allowable thickness? -
ANSWER>>3/8 inch
, Before excavating for a new building, how should subsoil conditions be
determined? - ANSWER>>conducting test borings
What type fastener is NOT allowed when working above grade or below grade on
wood foundations? - ANSWER>>Electrogalvanized steel.
What is the minimum requirement for the compressive strength of concrete used
in a garage floor in a severe exposure area? - ANSWER>>3,500 psi
What is the MINIMUM thickness allowed for concrete slab on ground floors? -
ANSWER>>3.5 inches
What is the MINIMUM vertical reinforcement spacing for a reinforced concrete
foundation wall that is 7 feet high and 10 inches thick on type SP soil? -
ANSWER>>56 inches on center.
Air-entrained concrete MUST be used for all of the following EXCEPT -
ANSWER>>interior slabs on grade.
Increasing the slump of concrete does which of the following? -
ANSWER>>increases its wetness
What is the diameter of number 5 rebar? - ANSWER>>5/8 inch.
Unless otherwise specified, what is the standard guideline for spacing contraction
joints to space them in feet? - ANSWER>>2 1/2 times the slab depth in inches
What is the MINIMUM compressive strength for concrete used in a foundation
wall that will be exposed to weather? - ANSWER>>2,500 psi.
With Solved Solutions
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100
feet long? The hourly production rate is 40 BCY and the operator has average
ability with an efficiency factor of 75%. - ANSWER>>4 hour
What is the MINIMUM grade fall away from foundation walls? - ANSWER>>6
inches within the first 10 feet.
What is the MINIMUM overlap for joints in the polyethylene film moisture barrier
applied over the exterior of a below grade foundation wall? - ANSWER>>6 inches.
Which is the first step that needs to be taken prior to starting any excavation
work? - ANSWER>>contacting the local utility companies
A foundation drain shall extend past the outside edge of the footing at least how
far? - ANSWER>>12 inches
What is the purpose of a cove or cant strip at a foundation joint? -
ANSWER>>Deflect water from the foundation wall.
A concrete masonry foundation wall extends below grade and will require parge
coating using
Portland cement mortar. What is the minimum allowable thickness? -
ANSWER>>3/8 inch
, Before excavating for a new building, how should subsoil conditions be
determined? - ANSWER>>conducting test borings
What type fastener is NOT allowed when working above grade or below grade on
wood foundations? - ANSWER>>Electrogalvanized steel.
What is the minimum requirement for the compressive strength of concrete used
in a garage floor in a severe exposure area? - ANSWER>>3,500 psi
What is the MINIMUM thickness allowed for concrete slab on ground floors? -
ANSWER>>3.5 inches
What is the MINIMUM vertical reinforcement spacing for a reinforced concrete
foundation wall that is 7 feet high and 10 inches thick on type SP soil? -
ANSWER>>56 inches on center.
Air-entrained concrete MUST be used for all of the following EXCEPT -
ANSWER>>interior slabs on grade.
Increasing the slump of concrete does which of the following? -
ANSWER>>increases its wetness
What is the diameter of number 5 rebar? - ANSWER>>5/8 inch.
Unless otherwise specified, what is the standard guideline for spacing contraction
joints to space them in feet? - ANSWER>>2 1/2 times the slab depth in inches
What is the MINIMUM compressive strength for concrete used in a foundation
wall that will be exposed to weather? - ANSWER>>2,500 psi.
