Quiz By Book-IBC 2018

Question 1

A manual fire alarm system that activates the occupant notification system shall be installed in Group A occupancies where the occupant load due to the assembly occupancy is:
50 pr more
150 or more
300 pr more
100 or more

Answer 1

300 pr more

Question 2

Doors opening onto a stairway landing shall not reduce the landing to less than the required width.

One half
One fifth
One third
One quarter

Answer 2

One half

Question 3

A landing serving a ramp shall have a slope no greater than ______?

1 in 12
1 in 8
1 in 18
1 in 48

Answer 3

1 in 48

Question 4

Automatic sprinklers are permitted to be installed in which of the following locations:

Machine rooms
Elevator hoist-ways of fire service access elevators
Elevator machinery space
Atriums

Answer 4

Atriums

Question 5

The triangular opening at the open sides of a stair, formed by the riser, tread and bottom rail shall not allow passage of a sphere:

12 inches
8 inches
6 inches
4 inches

Answer 5

6 inches

Question 6

What is the maximum slope of a ramp used as part of a means of egress?

1 in 18
1 in 10
1 in 12
1 in 8

Answer 6

1 in 12

Question 7

What is the maximum that a stair doorway may reduce the required width of a landing?

1/4
3/4
1/2
1/3

Answer 7

1/2

Question 8

What is the greatest height of a threshold at a sliding doorway in a dwelling unit?

1inch
1/4 inch
1/2 inch
3/4 inch

Answer 8

3/4 inch

Question 9

What is the required clearance between a handrail and a wall?

1-3/4 inches
1-1/4 inches
1 inch
1-1/2 inches

Answer 9

1-1/2 inches

Question 10

What is the opening limitation to allow passage of a sphere at the triangular opening formed by the stairway riser tread and bottom rail?

10 inches
4-3/8 inches
4 inches
6 inches

Answer 10

6 inches

Question 11

Doors that are automatic closing by smoke detection shall not have more than a delay before the door starts to close after the smoke detector is actuated.

10 second
15 second
20 second
5 second

Answer 11

10 second

Question 12

What is the greatest height in inches of a threshold at a non sliding doorway in a dwelling unit?

1/2 inch
1/4 inch
5/8 inch
3/4 inch

Answer 12

1/2 inch

Question 13

Delayed egress locks are permitted in which of the following occupancies?

A
B
E
H

Answer 13

B

Question 14

What is the height in inches of a handrail serving a stairway or ramp?

34 and 36
34 and 38
30 and 34
32 and 36

Answer 14

34 and 38

Question 15

Where a landing serves an occupant load of 50 or more, doors in any position shall not reduce the landing to less than:

The minimum required width
One quarter it’s required width
One half its required width
36 inches

Answer 15

One half it’s required width

Question 16

Guard shall be located along open sided walking surfaces, including mezzanine, equipment platforms, ailes, stairs, ramps and landing that are located more than measured vertically to the floor or grade below.

18 inches
36 inches
30 inches
24 inches

Answer 16

30 inches

Question 17

What is the risk category of a building designed for the occupancy as fire rescue?

IV
III
II
I

Answer 17

IV

Question 18

From where is the height measured for the placement of a manual fire alarm box?

From the floor to the bottom of the box
From the floor to the top of the box
From the floor to the activating handle
From the floor to a midpoint with the ceiling

Answer 18

From the floor to the activating handle

Question 19

What is the minimum length of a landing serving a ramp, excluding exceptions?

36 inches
72 inches
48 inches
60 inches

Answer 19

60 inches

Question 20

What is the minimum net clear opening, in square feet, of an emergency scape opening located at grade level?

6.7
6
5.7
5

Answer 20

5

Question 21

What is the minimum thickness, in inches of veneer applied to metal siding for corrosion resistance?

0.019
0.013
0.025
0.0149

Answer 21

0.0149

Question 22

According to the IBC, clear space between a handrail and a wall or other surface shall be no less than:

1-1/4 inches
1 inch
1-1/2 inches
1-3/4 inches

Answer 22

1-1/2 inches

Question 23

A building with aggregate roofing in an area with a nominal design wind speed of 110 mph in exposure category C can have a maximum roof height of how many feet?

30
15
NP
20

Answer 23

NP

Question 24

Where a ceiling is applied directly to the underside of roof rafters, what spacing is required between the roof sheathing and the insulation?

1-1/2 inches
1/2 inch
1 inch
No space is required if there is a vapor barrier

Answer 24

1 inch

Question 25

What are the glazing requirements in a fire door assembly? Glazing is not allowed in a fire door assembly Is limited to 100 sq in if it can resist transmittance of 350 degrees F May be over 100 sq inches if tested as part of the assembly Limited to under 100sq inches

Answer 25

May be over 100 sq inches if tested as part of the assembly.

Question 26

What is the minimum clear width, in inches, of an egress door? 48 36 32 41.5

Answer 26

32 inches

Question 27

The latch on a door must be panic hardware equipped in which of the following occupancy F M B A

Answer 27

A

Question 28

Waterproofing shall be applied from the bottom of the wall to no less than above the maximum elevation of the ground water table. 18 inches 12 inches 6 inches 24 inches

Answer 28

12 inches

Question 29

To what depth must stumps and roots removed from the soil in an area to be occupied by the building? 24 inches To the frost depth 12 inches 16 inches

Answer 29

12 inches

Question 30

Doors, when fully opened, shall not reduce the required width by more than 7 inches. Doors in any position shall not reduce the required width by more than: 12 inches One half 18 inches One quarter

Answer 30

One half

Question 31

Swinging doors serving a Group H occupancy and swinging doors serving rooms or space with an occupant load of 50 or more in a Group A or E occupancy shall not be provided with a latch or lock other than: A lock with an elongated handle Emergency escape hardware Panic hardware or fire exit hardware One that requires a special key or tool to unlock

Answer 31

Panic hardware or fire exit hardware

Question 32

What is the required minimum net glazed area, in percentage of the floor area, in square feet, that provides natural light to a room 8 8.5 5.7 5

Answer 32

8 percent

Question 33

What is glazing greater than three inches in a door considered? Decorative Comercial application Not allowed Hazardous

Answer 33

Hazardous

Question 34

What is the minimum nominal thickness of spaced sheathing boards used as decking for wood shakes? 3/4 inches 1 inch 1/2 inch 5/8 inches

Answer 34

1 inch

Question 35

In Groups I-1 and R-1, how many visible alarm notification appliances are required in a sleeping accommodation with 52 units? 9 2 7 4

Answer 35

7

Question 36

What is the maximum width of a swinging door leaf? 54 inches 36 inches 48 inches 42 inches

Answer 36

48 inches

Question 37

Direction of swing. Pivot or side hinged swinging doors shall swing in the direction of egress travel where serving a room or area containing an occupant load of: 300 or more persons or a group I occupancy. 50 or more persons or a Group I occupancy. 150 or more persons or a Group H occupancy. 50 or more persons or a Group H occupancy.

Answer 37

50 or more persons or a Group H occupancy.

Question 38

What is the minimum length of time that an emergency power system must provide power to a means of egress illumination? 30 minutes 60 minutes 90 minutes 45 minutes

Answer 38

90 minutes

Question 39

Which of the following is incorrect about underlayment for roof slopes of four units vertical in 12 units horizontal ( 4:12 ) or greater? End laps shall be 4 inches and shall be offset by 6 feet. Underlayment shall be 30 lb felt. Underlayment shall be applied shingle fashion, parallel to and starting from the eaves and lapped 2 inches. Underlayment shall be applied in a single layer

Answer 39

Underlayment shall be at least 30 lb felt

Question 40

Each area of refuge shall be sized to accommodate one wheelchair space of for each 200 occupants or portion thereof, based the occupant load of the area of refuge and areas served by the area of refuge. 24 inches by 36 inches 30 inches by 48 inches 36 inches by 49 inches 22 inches by 34 inches

Answer 40

30 inches by 48 inches

Question 42

According to the OBC, clear space between a handrail and a wall or other surface shall be not less than: 1 inch 1-1/4 inches 1-1/2 inches 1-3/4 inches

Answer 42

1-1/2 inches

Question 43

Direction of swing Pivot or side hinged swinging doors shall swing in the direction of egress travel where serving a room or area containing an occupant load of: 50 or more persons or a Group I occupancy 150 or more persons or a Group H occupancy 300 or more persons or a Group I occupancy 50 or more persons or a Group H occupancy

Answer 43

50 or more persons or a Group H occupancy

Question 44

What is the minimum thickness, in inches of veneer applied to metal siding for corrosion resistance? 0.025 0.013 0.019 0.0149

Answer 44

0.0149

Question 45

The latch on a door must be panic hardware equipped in which of the following occupancy? M B F A

Answer 45

A

Question 46

Swinging doors serving a group H occupancy and swinging doors serving rooms or spaces with an occupant load of 50 or more in a Group A or E occupancy shall not be provided with latch or lock other than: Emergency escape hardware Panic hardware or fire exit hardware A lock with an elongated handle One that requires a special key or tool to unlock

Answer 46

Panic hardware or fire exit hardware

Question 47

What is the minimum nominal thickness of spaced sheathing boards used as decking for wood shakes? 1 inch 3/4 inches 5/8 inches 1/2 inch

Answer 47

1 inch

Question 48

To what dept must stumps and roots removed from the soil in an area to be occupied by the building? 24 inches To the frost depth 12 inches 16 inches

Answer 48

12 inches

Question 49

What is the minimum clear width in inches of an egress door? 48 36 41.5 32

Answer 49

32

Question 50

What are the glazing requirements on a fire door assembly? Is limited to 100 sq in if it can resist transmittance of 350 degrees F Limited to under 100 sq in Glazing is not allowed in a fire door assembly May be over 100 sq in if tested as part of the assembly

Answer 50

May be over 100 sq in if tested as part of the assembly

Question 51

Doors when fully opened, shall not reduce the required width by more than 7 inches. Doors in any position shall not reduce the required width by more than: 12 in One half 18 in One quarter

Answer 51

One half

Question 52

What is the maximum rise over ambient temperature of a fire door assembly? Not more than 450 degrees in 30 minutes Not more than 250 degrees F Not more than 450 degrees Not more than 250 degrees F in 30 minutes

Answer 52

Not more than 450 degrees in 30 minutes