Science Engineering Mechanical Engineering
NICET II
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80/20 Engine system and discussion AIR ASSUALT 🚁 types o
10 terms 13 terms 40 terms 6 terms
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Only smoke detectors in elevator lobbies, hoistways, or True
machine rooms can be used to activate the elevator
recall function. T/F
A roof fan is used as part of the smoke control system. 3 feet of the fan motor starter
The motor startter for the fan is at floor level. The
interface device for the roof fan should be located within
___.
Smoke detectors in un-sprinklered hoistways can only be Activate smoke relief equipment NFPA 72 21.3.6
used to ___
A lobby smoke detector should be placed within ___ of 21 feet
the centerline of the elevator door.
A heat detector is activated in an elevator hoistway. A delay to allow the elevator to reach the exit level is permitted
Which of the following statements is true pertaining to a
delay before the elevator power is shut down?
1. A delay is not permitted
2. A delay to allow the elevator to stop at the next floor is
permitted
3. A delay to allow the elevator to reach the exit level is
permitted
4. A delay not exceed 60 seconds is permitted.
If a fire is detected on the normal elevator exit level, what Send the elevator to the alternative exit floor.
action must be taken by the elevator recall function?
A heat detector used to shut down an elevator can be 2ft BFPA 72 Section 21.4.2
located no more than __ ft. from each sprinkler head.
,The wiring for emergency control interface device must NFPA 72, Chapter 12
be either Class A, Class B, Class D, or Class X per the
requirements _______.
Which devices should not be used for an elevator lobby Smoke Detector
in a parking garage?
Heat Det
Smoke Det
Spot Det
Audible Alarm
Detectors used for power shutdown must be located 24 inches
within ____ inches from each sprinkler head.
A BLDG has five elevator cars controlled by one machine 3 because all elevator is in a a single large hoistway
control room using a single large hoistway. What is the
minimum number of circuits required for the elevator fire
alarm recall and warning system?
An auxiliary relay to shut down HVAC system from the 3ft
fire alarm control panel must be located within ____ ft of
the HVAC system
The main purpose of elevator recall is to disable the F
elevator and force occupants to use the stairways. T/F
When should an HVAC duct detector send an alarm 1&4
signal instead of supervisory signal?
select all apply:
1. The BLDG does not have a constantly attended location
or supervising station
2. If the detector is in the return duct
3. If the detector is in the supply duct
4. if required by state or local authority
Electrically locked doors in a _____ shall unlock in the Required means of egress
direction of egress where required by other laws, codes,
and governing standards.
The heat detector in an elevator hoistway must have set lower
setting ___ than the operating point of a sprinkler head.
What is the minimum number of output circuits required 3 Pri, Alt, and Fire hat
for elevator recall functions?
Control circuits to shut down elevator power shall be ____. Monitored for the presence of operating voltage
, Which on of the following will initiate elevator recall for 1,2 & 3
fire fihters?
1. Machine room smoke detector
2. Designated level lobby smoke detector
3. Hoistway smoke detector
4. Manual fire Alarm box in elevator lobby
5. Designated level corridor smoke detector.
The Power supply of the fire alarm system cannot be F should be 10 minutes NFPA 72 21.9.3
used to keep doors locked unless it has been properly
sixed to do so and there is sufficient secondary power to
ensure the egress doors will unlock within 5 minutes of
loss of primary power. T/F
A pathway consisiting of cable rated FPL installed fully 0 NFPA72 12.4.1-12.4.2
sprinkled vuilding woulf have a pathway survibility level
of _____?
Two-wire detectors receive their power from an auxiliary Fales
power source and are polarity sensitive. T/F
A shared pathway that allows the use of only equipment 1
that is dedicated to life saftey systems is designated as
Level _____?
If the above ckt is wired as Class A and a break in the wire A,B,C,D
indicated by X occurs, which of the smoke detectors will
be capable of sending an alarm signal? select all apply.
(Load Image Q24)
A
B
C
D
What type of pathway will remain operational under a Class X
large number of abnormal conditions?
Class A
Class C
Class D
Class X
If the above circuit is wired as Class A and a break in the A,B,C,D
wire indicated by X occurs, which of the smoke detectors
will be capable of sending a trouble signal? Select all
that apply (Load Image Q26)
A
B
C
D
NICET II
Save
Students also studied
80/20 Engine system and discussion AIR ASSUALT 🚁 types o
10 terms 13 terms 40 terms 6 terms
nnunez605 Preview AlexL330 Preview zsbhfcnq5q Preview blu
Only smoke detectors in elevator lobbies, hoistways, or True
machine rooms can be used to activate the elevator
recall function. T/F
A roof fan is used as part of the smoke control system. 3 feet of the fan motor starter
The motor startter for the fan is at floor level. The
interface device for the roof fan should be located within
___.
Smoke detectors in un-sprinklered hoistways can only be Activate smoke relief equipment NFPA 72 21.3.6
used to ___
A lobby smoke detector should be placed within ___ of 21 feet
the centerline of the elevator door.
A heat detector is activated in an elevator hoistway. A delay to allow the elevator to reach the exit level is permitted
Which of the following statements is true pertaining to a
delay before the elevator power is shut down?
1. A delay is not permitted
2. A delay to allow the elevator to stop at the next floor is
permitted
3. A delay to allow the elevator to reach the exit level is
permitted
4. A delay not exceed 60 seconds is permitted.
If a fire is detected on the normal elevator exit level, what Send the elevator to the alternative exit floor.
action must be taken by the elevator recall function?
A heat detector used to shut down an elevator can be 2ft BFPA 72 Section 21.4.2
located no more than __ ft. from each sprinkler head.
,The wiring for emergency control interface device must NFPA 72, Chapter 12
be either Class A, Class B, Class D, or Class X per the
requirements _______.
Which devices should not be used for an elevator lobby Smoke Detector
in a parking garage?
Heat Det
Smoke Det
Spot Det
Audible Alarm
Detectors used for power shutdown must be located 24 inches
within ____ inches from each sprinkler head.
A BLDG has five elevator cars controlled by one machine 3 because all elevator is in a a single large hoistway
control room using a single large hoistway. What is the
minimum number of circuits required for the elevator fire
alarm recall and warning system?
An auxiliary relay to shut down HVAC system from the 3ft
fire alarm control panel must be located within ____ ft of
the HVAC system
The main purpose of elevator recall is to disable the F
elevator and force occupants to use the stairways. T/F
When should an HVAC duct detector send an alarm 1&4
signal instead of supervisory signal?
select all apply:
1. The BLDG does not have a constantly attended location
or supervising station
2. If the detector is in the return duct
3. If the detector is in the supply duct
4. if required by state or local authority
Electrically locked doors in a _____ shall unlock in the Required means of egress
direction of egress where required by other laws, codes,
and governing standards.
The heat detector in an elevator hoistway must have set lower
setting ___ than the operating point of a sprinkler head.
What is the minimum number of output circuits required 3 Pri, Alt, and Fire hat
for elevator recall functions?
Control circuits to shut down elevator power shall be ____. Monitored for the presence of operating voltage
, Which on of the following will initiate elevator recall for 1,2 & 3
fire fihters?
1. Machine room smoke detector
2. Designated level lobby smoke detector
3. Hoistway smoke detector
4. Manual fire Alarm box in elevator lobby
5. Designated level corridor smoke detector.
The Power supply of the fire alarm system cannot be F should be 10 minutes NFPA 72 21.9.3
used to keep doors locked unless it has been properly
sixed to do so and there is sufficient secondary power to
ensure the egress doors will unlock within 5 minutes of
loss of primary power. T/F
A pathway consisiting of cable rated FPL installed fully 0 NFPA72 12.4.1-12.4.2
sprinkled vuilding woulf have a pathway survibility level
of _____?
Two-wire detectors receive their power from an auxiliary Fales
power source and are polarity sensitive. T/F
A shared pathway that allows the use of only equipment 1
that is dedicated to life saftey systems is designated as
Level _____?
If the above ckt is wired as Class A and a break in the wire A,B,C,D
indicated by X occurs, which of the smoke detectors will
be capable of sending an alarm signal? select all apply.
(Load Image Q24)
A
B
C
D
What type of pathway will remain operational under a Class X
large number of abnormal conditions?
Class A
Class C
Class D
Class X
If the above circuit is wired as Class A and a break in the A,B,C,D
wire indicated by X occurs, which of the smoke detectors
will be capable of sending a trouble signal? Select all
that apply (Load Image Q26)
A
B
C
D
