Question

The presence of heat and smoke at the first floor level or on all floors and the absence of visible fire can indicate a:

A) Electrical malfunction
B) Fire in a concealed space
C) Carbon monoxide leak
D) Faulty smoke alarm

Answer 1

The presence of heat and smoke at the first floor level or on all floors and the absence of visible fire can indicate a fire in a concealed space.

Step-by-step explanation:

The presence of heat and smoke at the first floor level or on all floors and the absence of visible fire can indicate a fire in a concealed space. This means that there is a fire burning in an area that is not easily visible. It could be happening behind walls, under floors, or in other hidden areas.

This situation can be very dangerous as there is a potential for extreme physical danger without visible signs of fire. It is important to take immediate action when heat and smoke are present, even if the fire cannot be seen.

One example of this is a fire burning in a coal mine underground. The fire creates smoke that rises through cracks in the ground, but the fire itself is hidden from sight. In this case, various solutions can be considered, such as filling the mine with water or cutting off the oxygen supply to smother the fire.