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Challenge Exam Sample Questions
Electrical/Electronics Common Core:
Two 10 kW resistors are connected in parallel and
each resistor has a 1 Watt rating; the combination has a rating
of:
- 20,000 W @ 2 Watt
- 20 kW @ 1 Watt
- 10 kW @ 2 Watt
- 5,000 W @ 2 Watt.
In a single phase circuit which of the following may be 'switched'?
- Neutral
- Ground
- Any current carrying conductor
- Live (hot).
Emergency Generator Systems:
With a constant load on the generator set, how much
fluctuation in output frequency is permitted?
- +/- 0.5%
- +/- 1%
- +/- 0.5 Hz
- +/- 1 Hz.
On initial installation performance a full load test shall be conducted for the following period:
- 2 hours at 100% load, then 2 hours at 110% of full load
- 2 hours at 90% load, then 1 hour at 110% of full load
- 4 hours at 100% load, then 1 hour at 110% of full load
- 1 hour operational test and 4 hr full load test.
Emergency Lighting:
An emergency light is primarily:
- Source of energy designed to provide ambient
lighting when the main lamps burn out
- Source of energy designed to permit occupancy
to continue during power outages
- Lighting source only required in buildings over
3 stories
- System designed to provide
emergency lighting for a minimum duration as required by the
building code.
A 6 Volt, 100 Watt emergency lighting unit can support
a total of four 6 Volt, 12 Watt quartz heads for a minimum lighting
duration of 60 minutes:
True or false?
Fire Alarms:
What standard is recognized by the B.C. Fire Code
(1998) or the inspection and testing of Fire Alarm Systems?
- a) CAN/ULC - M536-S86
- b) CSA/ULC - M86-S526
- c) CSA/ULC - S86-M526
- d) CAN/ULC - S536-M97.
Operation of single stage alarm system shall:
- Activate a signal to fire department
- Cause an alarm signal to sound
- Initiate a trouble signal
- Cause an alert signal to sound
- Activate the sprinkler system in a building.
Smoke Control & HVAC:
What part in the fire code and/or bylaws requires
the testing of smoke control systems?
- Part 7
- Part 6
- Parts 2 & 5
- Some parts of all of the above
To perform appropriate testing what are the four
steps you need to take before conducting the smoke control test?
Answer ______________________
Commercial Kitchen Exhaust System Cleaning:
What type of chemical is generally used in cleaning?
Answer ______________________
What part of the system should be cleaned with great
care so that the fire suppression system is not "set off"?
Answer ______________________
Fire Extinguishers:
A Class "C" type fire consists of:
- Ordinary combustibles
- Pressurized gases
- Flammable liquids
- Energized electrical equipment.
NFPA 10 permits a maximum floor area, specifically
concerning the placement of extinguishers for Class A hazards; these
areas are:
- Light (low) hazard: _____sq. ft. per unit of
"A"
- Ordinary (moderate) hazard:_____ sq. ft. per
unit of "A"
- Extra (high) hazard:_____ sq. ft. per unit of
"A".
Special Fire Protection Systems:
Name the two most common environmental concerns associated
with halogenated hydro carbons:
Answer __________ and __________
The use of "unlisted" parts in special fire protection
systems:
- Is permitted if the system is "trip tested"
- Is permitted if the part is listed for other
applications
- Results in an uncertified system, effectively
"de-listing" the entire assembly
- Is permitted if the owner gives written authorization.
Sprinkler Systems:
For a sprinkler system having a total of 450 heads,
a minimum of how many sprinkler heads shall be kept as spares?
- Not fewer than 6
- Not fewer than 12
- Not fewer than 18
- Not fewer than 24
Records of inspections and tests must be retained
for examination by the AHJ. For how long shall records be retained?
- During the required time interval between the
inspections and tests
- During the required time interval between the
inspections and tests, or for 2 years, whichever is greater
- During the required time interval between the
inspections and tests, or for 5 years, whichever is greater
- For a period of time as determined by the AHJ.
Standpipe Systems:
The inspection, testing and maintenance of standpipe
and hose systems shall conform to?
Class II standpipe system must
have?
- 2.5" hose connection
- 1.5" hose connection with a hose
- 3" hose connection d) 1.75" hose and connection
- 2.5" hose connection and a hose.
Fire Pump Systems:
An engine-driven, fire pump fuel tank shall have
a capacity of?
- a) 0.5 gallons/hp
- b) 1.5 gallons/hp
- c) 5.07 L/kW
- d) 10 L/kW.
What type of personal protective equipment must
be used during the weekly test of an engine-driven fire pump?
- Hard hat
- Hearing protection
- Safety eye wear
- Safety footwear.
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