Krishna Buildestates Interview Questions, Process, and Tips

The oxygen level of a confined space is an important factor to consider for safety.

• The oxygen level in a confined space should be between 19.5% and 23.5% for safe entry.

• Low oxygen levels can lead to dizziness, confusion, and loss of consciousness.

• High oxygen levels can increase the risk of fire and explosion.

• Monitoring equipment such as oxygen meters should be used to measure the oxygen level in confined spaces.

• Example...read more

HAZMAT Operations and Emergency Response

• HAZMAT stands for Hazardous Materials

• HAZMAT Operations involve identifying, containing, and mitigating hazardous materials incidents

• Emergency Response refers to the actions taken to address and resolve emergencies

• A Safety Supervisor may be responsible for overseeing HAZMAT operations and emergency response procedures

There are 6 classes of fire based on the type of fuel involved.

• Class A: Fires involving ordinary combustible materials like wood, paper, and cloth.

• Class B: Fires involving flammable liquids like gasoline, oil, and grease.

• Class C: Fires involving energized electrical equipment.

• Class D: Fires involving combustible metals like magnesium and titanium.

• Class K: Fires involving cooking oils and fats.

• Class F: Fires involving c

Normal daylight typically ranges from 10,000 to 25,000 lux.

• Normal daylight lux levels can vary depending on factors such as time of day, weather conditions, and geographical location.

• On a clear sunny day, lux levels can reach around 10,000 to 25,000 lux.

• During sunrise or sunset, lux levels are lower, usually ranging from 400 to 1,000 lux.

• Indoor lighting typically ranges from 100 to 2,000 lux, depending on the type of l