State Exam Practice pt.2 Flashcards
questions 108-253
You see a ceramic tile floor with numerous cracks running through the grout and the tiles. The floor system is contructed using 2x10 floor joists. Which is the most likely cause of this condition?
A. The tiles are defective
B. The floor joist blocking is absent
C. The floor joist span is too long
D. The wrong grout was used
C. The floor joist span is too long
You see uniform width cracks at both upper corners of all windows along one top story wall. Which is the most likely cause of this condition?
A. The windows are improperly flashed
B. The wall is improperly braced
C. The cripple studs are improperly notched
D. The ceiling joist span is too long
B. The wall is improperly braced
How many energized conductors supply 240 volt, 200 amp, single phase electric service?
A. 1
B. 2
C. 3
D. 4
B. 2
A circuit breaker protects against too much
A. voltage
B. resistance
C. inductance
D. current
D. current
A subpanel in a detached building has melted insulation on a neutral conductor. What is most likely cause of this condition?
A. The neutral conductor is loose at the terminal bar
B. The circuit breaker is defective
C. There is no grounding electrode
D. The circuit breaker ampacity is too large for the wire
A. The neutral conductor is loose at the terminal bar
A 2-slot receptacle has been replaced with a 3-slot receptacle in a branch circuit that does conatin an equipment grounding conductor? Which method is permitted?
A. Install an arc-fault circuit breaker on the branch circuit
B. Replace the receptacle with a GFCI receptacle
C. Run an equipment grounding conductor to a seperate grounding electrode
D. Run an equipment grounding conductor to a copper water pipe
B. Replace the receptacle with a GFCI receptacle
Where would an evaporative cooler be most effective?
A. Phoenix, AZ
B. Nashville, TN
C. Miami, FL
D. New York, NY
A. Phoenix, AZ
When a heat pump is operating in cooling mode the temperature of the liquid line should be a few degrees
A. cooler than the outside air temperature
B. warmer than the outside air temperature
C. cooler than the inside air temperature
D. warmer than the inside air temperature
B. warmer than the outside air temperature
The effect of high humidity on an air conditioning system will be
A. an increase in the temperature drop
B. a decrease in the compressor current draw
C. a decrease in the sensible load
D. an increase in the latent load
C. a decrease in the sensible load
When should combustion air NOT be drawn from inside the building?
A. the building has 3 stories above grade
B. the building is built using tight construction methods
C. the total Btu/h input of the appliances exceeds 160,000
D. the appliance is a direct exhaust type
B. the building is built using tight construction methods
The flame from a properly adjusted oil burner should be what color?
A. blue
B. yellow
C. orange
D. white
D. white
Where would an equalizer pipe be found?
A. near a steam boiler
B. near a hot water boiler
C. in a common gas vent
D. in a plumbing vent stack
A. near a steam boiler
Brown-Colored particles under the flue collar of an induced draft gas furnace are most likely an indication of which defect?
A. flame rollout
B. a faulty draft inducer
C. an excessively long vent connector
D. the barometric damper is stuck open
C. an excessively long vent connector
Permeability is the property of a material that allows the passage of
A. water vapor
B. heat energy
C. liquid water
D. infrared radiation
A. water vapor
Which may be used as water distribution pipe in a house?
A. PEX
B. ABS
C. PVC
D. RNC
A. PEX
What is the best definition of a cross-connection?
A. An HVAC supply plenum is connected to a return plenum.
B. A plumbing water distribution pipe is connected to a contaminant source
C. A plumbing dry vent is connected to a wet vent
D. An electrical wlu-te-insulated wire is connected to a circuit breaker
B. A plumbing water distribution pipe is connected to a contaminant source
What is the MOST likely result of thermal expansion?
A. A block foundation wall rotates inward
B. A furnace heat exchanger cracks
C. Eletrical conductor insulation melts
D. A clothes washing machine hose bursts
D. A clothes washing machine hose bursts
The label on a 240 volt electric water heater indicates that the element wattage should be 4,500. The measured current is 14.6 amps. The MOST likely explanation is that
A. the wrong size has been installed
B. the element is failing
C. the amlneter battery is low
D. the measured current is correct
A. the wrong size has been installed
The client complains of an occasional foul odor in a seldom used bathroom. Which is the most likely cause of this issue?
A. The vent pipe is improperly sloped
B. The cleanout was not installed
C. The bathtub trap water seal has evaporated
D. The sink trap is partially blocked
C. The bathtub trap water seal has evaporated
An interior door rubs the header on the latch side. There are no cracks in the drywall around the door. What is the MOST likely reason for this to occur?
A. The top hinge is binding
B. The door is unpainted on top
C. The strike plate needs adjustment
D. The wall has rotated
B. The door is unpainted on top
Which component supports a stairway?
A. riser
B. header
C. cripple
D. stringer
D. stringer
Where is stairway width measured?
A. below the handrail
B. where the stairway intersects the landings
C. above the handrail
D. between the ends of the treads
C. above the handrail
On a vehicle door, a containment cable should be installed on the
A. extension springs
B. struts
C. torsion spring
D. roller drums
A. extension springs
What is the BEST material for a masonry chimney crown?
A. concrete
B. refractory mortar
C. Type S mortar
D. core brick
A. concrete
The process by which heat changes wood chemistry making it more likely to burn is called
A. pyrogenics
B. pyrolysis
C. pyromancy
D. pyrography
B. pyrolysis
What is the BEST reason for a chimney to terminate above nearby obstructions?
A. Short chimneys require larger flues
B. Embers may ignite roof coverings
C. Wind may force combustion products down the flue
D, The flue could be covered by snow
C. Wind may force combustion products down the flue
A chimney should NOT be located on an exterior wall because
A. flue temperature may be too cold
B. it is more expensive to build
C. a chimney fire is more likely
D. the flue must be larger
A. flue temperature may be too cold
A wood-burning stove is listed for 12 inches clearance to combustles. What is the minimum clearance to combustibles for this stove when using a sheet metal and air space clearance reduction device?
A. 6 inches
B. 8 inches
C. 10 inches
D. 12 inches
D. 12 inches
Inspection of which appliance is NOT within the scope of a home inspection?
A. refrigerator
B. trash compactor
C. food-waste disposer
D. microwave oven
A. refrigerator
A properly installed food waste disposer that makes no sound when activated can sometimes be activated by
A. resetting the kitchen GFCI receptacle
B. pressing the thermal cutoff button
C. turning the motor with a hex wretch
D. running cold water into the disposer
B. pressing the thermal cutoff button