B.Tech 11 Intervire Prep Safety

Why time delay unit is provided in Co2 fixed fire system?

• To make sure that master valve opens second

• To avoid over pressurization in the CO2 line before master valve.

• To escape from ER.

• All are correct

OMD works on the principle of ____.

• photoelectric effect

• scavenge

• smothering

• cooling

Co2 extinguishes the fire by ____.

• cooling

• starvation

• inhibition

• smothering

DCP extinguishes the fire by _____.

• starvation

• smothering

• cooling

• inhibition

Removal of fuel from fire is called ____.

• inhibition

• smothering

• starvation

• cooling

Which is the most important thing before releasing CO2 into the engine room?

• Communicating with oiler

• Head Count

• Engine count

• Cooling

What will you do if CO2 bottle is empty or if one of the person is present inside the ER during major fire?