Fire Protection Systems QUESTIONS WITH ANSWERS

Fire Protection Systems
QUESTIONS WITH ANSWERS


1. Three requirements for a fire are:
a. ________________________________________
b. ________________________________________
c. ________________________________________ - CORRECT
ANSWERS ✔✔fuel;
oxygen;
high enough temperature


2. A fire that involves solid combustibles such as paper
and upholstery is a Class __________ fire. - CORRECT
ANSWERS ✔✔A


3. A fire that involves burning metals is a Class __________
fire. - CORRECT ANSWERS ✔✔D


4. A fire that involves energized electrical equipment is a
Class __________ fire. - CORRECT ANSWERS ✔✔C


5. A fire that involves liquid fuels such as gasoline and oil
is a Class __________ fire. - CORRECT ANSWERS ✔✔B

, 6. In thermoswitch fire-detection systems using several
thermoswitches and a single indicator light, the switches
are wired in _________________ (series or parallel) with
each other, and the entire combination of switches is in
_______________ (series or parallel) with the light. -
CORRECT ANSWERS ✔✔parallel;
series


7. The fire detection system that can operate properly
when there is either an open or a short circuit in either of
its two loops is the _____________________ (single-terminal
or two-terminal) thermoswitch system. - CORRECT
ANSWERS ✔✔two-terminal


8. The fire detection system that initiates a fire warning
when there is an excessive rate of temperature rise in the
monitored compartment is the _____________________
(thermocouple or thermoswitch) system. - CORRECT
ANSWERS ✔✔thermocouple


9. Current flows in a fire-warning thermocouple circuit
because of the voltage produced by the difference in the
____________________ of any of the junctions. - CORRECT
ANSWERS ✔✔temperature