TB 42 - Smoke Detectors

Question 1

70 years of exposure to an ionization detector will equal how many chest x-rays?

Answer 1

1

Question 2

Smoke detectors could be moved how far away from a bedroom door and still protect the bedroom?

Answer 2

12 1/2 feet

Question 3

Detectors are approved to give an area coverage of how large of a diameter?

Answer 3

25 feet

Question 4

DWP states the the average residence is without power only for how many minutes per year?

Answer 4

3 minutes

Question 5

Smoke detectors shall be installed in all existing multiple-dwelling occupancies and duplexes by what date?

Answer 5

August 8, 1980

Question 6

Hardwired smoke detectors to the electrical system of a multiple-dwelling occupancy or duplex must be installed by what date?

Answer 6

August 1, 1980

Question 7

6 out of 10 fatal home fires start between what hours of the night?

Answer 7

9pm to 6am

Question 8

Existing apartment hotels and hotels over 75 feet in height require smoke detectors by what date?

Answer 8

August 1, 1981

Question 9

Hotels that comply with retroactive high rise requirements of title 19 require smoke detectors by what date?

Answer 9

August 1, 1982

Question 10

What is the 3rd leading cause of accident death in the US?

Answer 10

Fire

Question 11

Which smoke detector is best for flaming fires?

Answer 11

Ionization

Question 12

Which smoke detectors are more sensitive to smoldering fires (smoke)?

Answer 12

Photoelectric

Question 13

How many Americans out of 10 are killed by fires at home?

Answer 13

7

Question 14

Smoke detector maintenance includes what 4 things occasionally?

Answer 14

Replace batteries and burned out incandescent light bulbs, vacuum or blow dust from unit