RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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.
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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):
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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.
A. Grounding electrode conductor (GEC)
B. Electrical ground bar (EGB)
C. Signal reference grid (SRG)
D. Telecommunications bonding backbone (TBB)
E. Drain wire C. Signal reference grid (SRG)
You are designing a telecommunications grounding system for a telecommunications room(TR).
The TMGB is located 15 m (50 ft) from the telecommunications rack. What is the MINIMUM
AWG of the ground conductor required?
A. Two
B. Three
C. Four
D. Six
E. Eight D. Six
Questions And Answers Verified By Experts
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
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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.
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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):
, RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14)
Questions And Answers Verified By Experts
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.
A. Grounding electrode conductor (GEC)
B. Electrical ground bar (EGB)
C. Signal reference grid (SRG)
D. Telecommunications bonding backbone (TBB)
E. Drain wire C. Signal reference grid (SRG)
You are designing a telecommunications grounding system for a telecommunications room(TR).
The TMGB is located 15 m (50 ft) from the telecommunications rack. What is the MINIMUM
AWG of the ground conductor required?
A. Two
B. Three
C. Four
D. Six
E. Eight D. Six
