It's time to practice the questions again a week
The Fire Facility Operator Exam is about to begin.
Students, come and consolidate the relevant test points of the national examination.
Let's start our journey to do the problem!
Multiple choice questions
single choice
1. For gas, liquid, electrical fire and solid surface, the area of the opening that cannot be automatically closed before spraying carbon dioxide shall not be greater than the surface area of the protection area ( ) and the opening shall not be located on the bottom surface.
a、0.05
b、0.04
c、0.03
d、0.02
2. A pressure relief port should be set up in the protective area of the carbon dioxide fire extinguishing system. It should be located on the outer wall, and its height should be greater than the height of the protective area ( ).
a, one-third.
b. Two-thirds.
c. Three-quarters.
d. Three-fifths.
3. It should be installed in a high-temperature place
a. Deluge system.
b. Wet system.
c. Dry system.
d. Water spray system.
Analysis: The dry system is suitable for places below 4 degrees and above 70 degrees.
4. The automatic sprinkler system is suitable for places where the fire level spreads rapidly, such as stages, pyrotechnics factories and places with a height exceeding the protection capacity of closed sprinklers.
a. Wet. b. Dry type.
c. Rain. d. Water mist.
5. After the water is discharged on the side of the wet alarm valve system with the delayer, the alarm device should start to issue a continuous alarm.
a、15sb、30s
c、5～90s
d、5～60s
6. For ( ) automatic sprinkler system and fire separation water curtain, the pressure switch has been used as the water flow alarm device.
a. Wet system.
b. Dry system.
c. Deluge system.
d. Pre-action system.
7. The nominal operating temperature of the closed glass ball sprinkler head is 57 degrees, and the corresponding working liquid color mark is ( ).
a. Green. b. Red.
c, yellow. d. Orange.
Click on the blank space to see the answer.
Answer: D Analysis: The nominal operating temperature of the closed glass ball sprinkler is 57 degrees, and the corresponding working liquid color mark is orange. Red 68 degrees, green 93 degrees, yellow 79 degrees.
Multiple choice questions
multiple choice questions
1. The constitutive elements of the illegal acts that should be subject to fire administrative punishment must be met:
a. Fire violations must have been committed.
b. The illegal act is a violation of fire laws and regulations.
c. The person who commits the illegal act is the administrative counterpart with the capacity to be responsible.
d. shall be punished in accordance with law.
2. The principles of fire protection work are: ( Citizens actively participate.
a. Unified leadership.
b. The department supervises in accordance with the law.
c. Exemplary leadership takes the lead.
d. The unit is fully responsible.
True/False
judgment questions
1. BC dry powder fire extinguisher can be used to extinguish solid, liquid and gas fires, with a wide range of applications. (
2. When reporting the main power failure, it should be confirmed whether the main power failure has occurred, otherwise check whether the wiring and fuse of the main power supply are broken. （
3. The position of the sprinkler head installed in the automatic sprinkler system shall not be set up with obstacles that affect the water distribution performance of the sprinkler head. （