RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
ANSWERED CORRECTLY!!
Firestop ________, in conjunction with steel wedging plates, go in a steel cable
tray.
A. Bag
B. Block
C. Intumescent sheet
D. Silicone foams
A. Bag
Which of the following is a nonmechanical firestop system?
A. Cable transit system
B. Firestop blocks
C. Fire rated pathway device
D. Factory fabricated sleeve system
B. Firestop blocks
What type of material does NOT support combustion even under accelerated
conditions?
A. Fire break
B. Fire proof
C. Fire resistant
D. Fire retardant
B. Fire proof
Most types of firestop putty have ________ properties.
A. Water based
B. Cementitious
C. Intumescent
D. Silicone based
C. Intumescent
A ________ eliminates the need to remove or install materials.
A. Cast-in-place device
B. Cable transit system
C. Fire-rated pathway device
D. Factory fabricated sleeve system
C. Fire-rated pathway device
You are designing the cabling infrastructure for a lab office building that will
frequently change tenants. The owner will be responsible for all of the
infrastructure that feeds each floor to include the telecommunication rooms.
Which firestop method will best suit the owners needs?
,A. Cable transit system
B. Factory fabricated sleeve system
C. Firestop pillow system
D. Silicone foam system
C. Firestop pillow system
Cementitious materials are ________ based materials.
A. Dry powder
B. Latex
C. Solvent
D. Sand
A. Dry powder
A fire ________ is a contained area that is completely enclosed by fire resistant
walls, floors, and ceilings.
A. Rated system
B. Stop system
C. Wall
D. Zone
D. Zone
You are designing a cabling system for a chemical plant. What type of device is
needed to prevent the spread of fire along the cable other than the barrier
penetrations?
A. Fire break
B. Fire shield
C. Fire stop
D. Fire wall
A. Fire break
You are designing a firestop system for a boiler room that will have conduits
coming from the service provider maintenance hole into the building. Which test
rating will address the firestops ability to resist breakdown from water damage?
A. F rating
B. L rating
C. T rating
D. W rating
D. W rating
You are designing a firestop system for a hospital with several floors that have
isolation rooms. Air leakage control is important to ensure rooms are sealed and
restrict the spread of disease. Which firestop test rating should you use to ensure
air leakage compliance?
A. F rating
B. L rating
, C. T rating
D. W rating
B. L rating
The F rating for a framed wall/stud wall is ________ hour(s).
A. One
B. Two
C. Three
D. Four
B. Two
A(n) ________ system is considered a mechanical firestop.
A. Cementitious -
B. Cable transit -
C. Firestop block -
D. Intumescent sheet -
B. Cable transit -
As a guide, the MAXIMUM recommended DC current value on any bonded
conductor should be less than:
A. 250 milliamps
B. 500 milliamps
C. 750 milliamps
D. 1 amp
E. 1.25 amps
B. 500 milliamps
Surge currents due to lightning and other sources MUST be ________ before they
penetrate the infrastructure.
A. Shorted
B. Maximized
C. Terminated
D. Equalized
D. Equalized
The impedance of the equipment grounding conductor can only be accurately
measured with an instrument known as a(n):
A. Volt ohm meter
B. Power distribution unit
C. Exothermic weld connection
D. Ground impedance tester
E. Amp calculator
D. Ground impedance tester
Often associated with raised flooring, a(n) ________ may consist of copper straps
taped to the concrete floor, or it may be the floor itself with the stringers that
support the tiles acting as the bonding conductor across the gradient of the floor.
ANSWERED CORRECTLY!!
Firestop ________, in conjunction with steel wedging plates, go in a steel cable
tray.
A. Bag
B. Block
C. Intumescent sheet
D. Silicone foams
A. Bag
Which of the following is a nonmechanical firestop system?
A. Cable transit system
B. Firestop blocks
C. Fire rated pathway device
D. Factory fabricated sleeve system
B. Firestop blocks
What type of material does NOT support combustion even under accelerated
conditions?
A. Fire break
B. Fire proof
C. Fire resistant
D. Fire retardant
B. Fire proof
Most types of firestop putty have ________ properties.
A. Water based
B. Cementitious
C. Intumescent
D. Silicone based
C. Intumescent
A ________ eliminates the need to remove or install materials.
A. Cast-in-place device
B. Cable transit system
C. Fire-rated pathway device
D. Factory fabricated sleeve system
C. Fire-rated pathway device
You are designing the cabling infrastructure for a lab office building that will
frequently change tenants. The owner will be responsible for all of the
infrastructure that feeds each floor to include the telecommunication rooms.
Which firestop method will best suit the owners needs?
,A. Cable transit system
B. Factory fabricated sleeve system
C. Firestop pillow system
D. Silicone foam system
C. Firestop pillow system
Cementitious materials are ________ based materials.
A. Dry powder
B. Latex
C. Solvent
D. Sand
A. Dry powder
A fire ________ is a contained area that is completely enclosed by fire resistant
walls, floors, and ceilings.
A. Rated system
B. Stop system
C. Wall
D. Zone
D. Zone
You are designing a cabling system for a chemical plant. What type of device is
needed to prevent the spread of fire along the cable other than the barrier
penetrations?
A. Fire break
B. Fire shield
C. Fire stop
D. Fire wall
A. Fire break
You are designing a firestop system for a boiler room that will have conduits
coming from the service provider maintenance hole into the building. Which test
rating will address the firestops ability to resist breakdown from water damage?
A. F rating
B. L rating
C. T rating
D. W rating
D. W rating
You are designing a firestop system for a hospital with several floors that have
isolation rooms. Air leakage control is important to ensure rooms are sealed and
restrict the spread of disease. Which firestop test rating should you use to ensure
air leakage compliance?
A. F rating
B. L rating
, C. T rating
D. W rating
B. L rating
The F rating for a framed wall/stud wall is ________ hour(s).
A. One
B. Two
C. Three
D. Four
B. Two
A(n) ________ system is considered a mechanical firestop.
A. Cementitious -
B. Cable transit -
C. Firestop block -
D. Intumescent sheet -
B. Cable transit -
As a guide, the MAXIMUM recommended DC current value on any bonded
conductor should be less than:
A. 250 milliamps
B. 500 milliamps
C. 750 milliamps
D. 1 amp
E. 1.25 amps
B. 500 milliamps
Surge currents due to lightning and other sources MUST be ________ before they
penetrate the infrastructure.
A. Shorted
B. Maximized
C. Terminated
D. Equalized
D. Equalized
The impedance of the equipment grounding conductor can only be accurately
measured with an instrument known as a(n):
A. Volt ohm meter
B. Power distribution unit
C. Exothermic weld connection
D. Ground impedance tester
E. Amp calculator
D. Ground impedance tester
Often associated with raised flooring, a(n) ________ may consist of copper straps
taped to the concrete floor, or it may be the floor itself with the stringers that
support the tiles acting as the bonding conductor across the gradient of the floor.
