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General Engineering Exam > Californi Building Code > Flashcards

Californi Building Code Flashcards

1
Q

What are the 11 main occupancy groups?

A

A, B, E, F, H, I, L, M, R, S, and U.

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2
Q

How are building occupancy groups categorized

A

In order of decreasing hazard rating to occupants

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3
Q

Occupancy category A

A

Assembly buildings. Theaters, assembly rooms, stages, and stadiums.

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4
Q

Occupancy category B

A

Business. Examples include airport, traffic control, towers, animal, hospitals, banks, barbers and beauty shops, car washes, civic administration, dry cleaning, and laundries, etc..

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5
Q

Occupancy category E

A

Educational. Any building that is used by more than six people at one time for educational purposes.

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6
Q

Occupancy category F

A

Factory and industrial. Fabricating manufacturing, packaging, disassembling, etc..

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7
Q

Occupancy category H

A

High hazard. Includes five subgroups
H-1 through H-5
H1-h3 deal with flammable materials.
H4-h5 deal with toxic materials

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8
Q

Occupancy category I

A

Institutional. Hospitals, nursing homes, jails, and prisons.

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9
Q

Occupancy category M

A

Mercantile. Department stores, drugstores markets, etc..

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10
Q

Occupancy category R-1

A

Hotels and apartment houses with more than 10 person

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11
Q

Occupancy category R-2

A

Residential buildings containing more than two dwelling units, but less than 10. Apartment houses convent dormitories hotels

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12
Q

Occupancy category R-2.1

A

24 hour supervised facilities for reasons of age, mental disability, or other reasons

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13
Q

Occupancy category R-2.2

A

Rehabilitation facilities operated by the California Department of corrections that are supervised 24 seven

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14
Q

Occupancy category R-3

A

Permanent residences that do not contain more than two dwelling units, houses and duplexs

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15
Q

Occupancy category R-3.1

A

Licensed facilities, providing 24 hour care for six or fewer people

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16
Q

Occupancy category R-4

A

Buildings containing 6 to 16 ambulatory clients receiving care, but capable of self preservation

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17
Q

Occupancy category S

A

Storage.
S-1 for combustible materials
S-2 for non-combustible materials

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18
Q

Occupancy category U

A

Utility. Garages agricultural buildings, fences, tanks, and towers.

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19
Q

How to calculate the minimum cumulative width of exits in a building

A

Divide the total occupancy load by 50

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20
Q

Minimum door width

A

32 inches

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21
Q

Minimum height of doors in dwelling or sleeping units

A

78 inches

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22
Q

Doors must swing in the direction of egress travel when serving a room containing an occupancy load of

A

50 or more persons

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23
Q

Force for pushing or pulling, open interior, swinging doors must not exceed

A

5 pounds

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24
Q

Minimum stairway width for occupancy above 50 people

A

44 inches

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25
Q

Minimum stairway, width for occupancy load of less than 50

A

36 inches

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26
Q

Minimum stairway, headroom clearance

A

Not less than 80 inches

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27
Q

Maximum and minimum stair riser height

A

7 inches maximum, 4 inches minimum

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28
Q

Stairway landings must have a minimum depth of

A

48 inches or the width of the stairway whichever is less

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29
Q

Handrails are required on a ramp that exceeds a slope of

A

5%

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30
Q

All required exits must be smoke, proof enclosures for buildings located more than X feet above the highest grade

A

75 feet above the highest grade

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31
Q

What is the purpose of a smoke proof enclosure on a building exit?

A

To trap heat or smoke on an Exit or stairway

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32
Q

For occupancy groups R-2 and R-3, basement walls, foundation walls exterior walls, and other vertical surfaces. Must use concrete with a compressive strength of at least.

A

3000 psi

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33
Q

Concrete floor, slab, supported directly on the ground must not be less than x inches thick

A

3.5 inches thick

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34
Q

Stumps and roots must be removed from the soil to a depth of not less than

A

12 inches

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35
Q

When framing large opening, such as fireplaces or chimneys, floor joists should be

A

Doubled

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36
Q

What is the difference between roof pitch and roof slope?

A

Slope is rise over run
Pitch is rise over total span

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37
Q

If too much water is added, the holding strength of cement or concrete is

A

Reduced

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38
Q

What is the standard ratio of cement, to define aggregate, to course aggregate

A

One part cement, two parts, fine aggregate, four parts course aggregate

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39
Q

What is the maximum recommended travel time between plants and concrete pour?

A

1.5 hours

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40
Q

What can be added to concrete to speed up the setting time in damp conditions?

A

Calcium chloride

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41
Q

What are the benefits of air entraining concrete?

A

Improves resistance to freezing and thaw exposure. Improves work ability, sulfate resistance, and water tightness.

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42
Q

What is the maximum amount of calcium chloride that should be added to concrete to accelerate setting?

A

2% by weight of cement

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43
Q

What is the difference between class one and class two formwork for concrete

A

Class one framework is generally temporary or for the support of light loads. Class two framework is used for structures that will support heavy loads.

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44
Q

What device is used to pour concrete underwater?

A

A tremie

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45
Q

How to convert reinforcing steel size numbers to dimensions

A

The number corresponds the diameter of the bar and eighths of an inch for example number seven bar has an approximate diameter of 7/8 of an inch

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46
Q

When pouring concrete, what is the minimum overlap of reinforcing steel

A

the minimum lap for reinforcing bars in Masonary is 30 bar diameters for compression, and 40 bar diameters for tension

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47
Q

What is the minimum depth of coverage for reinforcing steel in concrete members permanently exposed to earth?

A

3 inches

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48
Q

What is the minimum depth of coverage for reinforcing steel in solid slabs on grade?

A

1 1/2 inches

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49
Q

For concrete members, What is the minimum coverage depth for reinforcing steel exposed to Weather or earth?

A

2 inches

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50
Q

What is type one Portland cement used for?

A

Standard applications, suitable for all uses

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51
Q

What is type two Portland cement used for?

A

Generates less heat, and a slower rate than type one. Useful when pouring large volumes..

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52
Q

What is type three Portland cement used for?

A

High early strength. Used when forms must be removed quickly, and if the weather is cold..
Reaches full strength of type one at seven days

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53
Q

What is type four Portland cement?

A

Low heat of hydration. Slowest curing cement used for large dams..

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54
Q

Type five Portland cement

A

High sulfate resistance

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55
Q

What are the seven steps to finishing concrete, and what tools are used?

A

1- screeding. Straight edge piece of wood
2- bullfloat/darbying. Fills voids
3- edging
4- jointing or grooving
5- floating. Uniform finish
6- troweling a smooth finish (optional)
7- brooking a textured surface (optional)

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56
Q

What is the maximum height that pump concrete pumps can deliver concrete?

A

100 to 150 feet vertically

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57
Q

What is the minimum slump amount that can be pumped?

A

Two or more inches

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58
Q

What is the minimum pipeline size to pump concrete with 3 inch aggregate?

A

8 inches

59
Q

What is the minimum pipeline size to pump concrete with aggregate that is 2 1/2 inch

A

7 inch diameter

60
Q

What is the minimum pipeline diameter to pump concrete with an aggregate up to 2 inches?

A

6 inch diameter

61
Q

What is another name for pneumatically applied mortar

A

Shotcrete, gunite

62
Q

Maximum aggregate diameter for shotCrete

A

1 inch

63
Q

What is the maximum distance over which concrete should be delivered by hands in a wheelbarrow or buggy?

A

200 feet

64
Q

What is the difference between a modular and non-modular masonry brick dimension?

A

Non-modular dimensions reflects the actual size of the brick. Modular sizes, reflect the actual dimension of the brick plus the mortar joints.

65
Q

What are the three common bond patterns of brick laid in the wall?

A

Common, English, and Flemish

66
Q

When laying bricks, what is the difference between a header and a stretcher?

A

Header bricks bond two layers of brick together, placed perpendicular to the plain of the wall. stretcher bricks are laid parallel with the plane of the wall

67
Q

What defines the common bond bricklaying pattern

A

The common bond brick pattern uses five layers of stretchers alternated with one layer of headers.

68
Q

What defines the Flemish bricklaying pattern bond?

A

Every brick alternates between a header and a stretcher

69
Q

English bond brick laying pattern

A

The traditional English brick bond alternates between stretcher and header courses, with headers centred over the stretchers underneath. This is the oldest pattern, and was commonly used until the end of the 17th century. English Bond is considered stronger than Flemish bond, so continues to be used for civil engineering projects, such as bridges, viaducts and embankments.

70
Q

Flemish bond brick laying pattern

A

The traditional Flemish brick has alternative stretchers and headers on every course, with the headers centred over the stretchers underneath. From the beginning of the 18th century, the Flemish bond superseded English bond. Flemish bonds can be replicated in the half-brick outer leaf of a cavity wall by using whole bricks as stretchers, while the headers are created by half bricks called bats or snap-headers

71
Q

What is the minimum compressive strength of a severe weathering masonry brick

A

3000 psi

72
Q

What is the highest compressive strength mortar for unit masonry?

A

Type M, 2500 psi

73
Q

What is ohms law?

A

V = I x R
V Equals voltage, I equals current, and R equals ohms (resistance)

74
Q

What is watt law?

A

Power equals current times voltage
P = I x V
Substitute in ohms law and
P = I^2 x R and P = V^2 / R

75
Q

In a DC series circuit how do you calculate total voltage

A

The total voltage is the sum of the voltages across each load

76
Q

In a DC series circuit how do you calculate total current

A

The current is the same in all parts of the circuit

77
Q

In a DC series circuit how do you calculate total resistance

A

The total resistance is the sum of the individual load resistances

78
Q

In a DC series circuit how do you calculate total power

A

The total powers, the sum of the powers used by the individual loads 

79
Q

In a DC parallel circuit how do you calculate the total voltage

A

The voltage across each load is the same and equal

80
Q

In a DC parallel circuit how do you calculate the total current

A

The total current is the sum of the current in each load

81
Q

In a DC parallel circuit how do you calculate the total resistance

A

The total resistance is always lowers than the smallest individual load resistance.
Rt= 1 / ( 1/R1 + 1/R2)

82
Q

In a DC parallel circuit how do you calculate the total power

A

The total power is the sum of the powers used by the individual loads

83
Q

What is the three phase factor constant?

A

Sqrt(3) or 1.73

84
Q

How do you calculate the power of an AC single phase circuit?

A

P = I x V x powerfactor

85
Q

How do you calculate the power rating of a three phase AC circuit?

A

P = I x V x PF x 1.73

86
Q

In wire sizing, what is one mil

A

One ‘Mil’ = 1/1000 of an inch
1000 Mils = 1 inch

87
Q

What is the color coding for the hot wires in residential and commercial electrical?

A

Black, red blue or yellow

88
Q

What is the color coating for neutral wires?

A

White or gray

89
Q

What is the color coating for ground wires?

A

Bare, green or green with the yellow stripe

90
Q

What is the minimum amount of cover for buried direct burial cable?

A

24 inches

91
Q

What is the minimum burial depth for rigid non-metallic conduit

A

18 inches

92
Q

What is the minimum burial depth for rigid metal conduit?

A

6 inches

93
Q

What is the minimum burial depth for rigid metal conduit?

A

6 inches

94
Q

What is the minimum clearances of a service drop?

A

8 feet above the roof.
10 feet above the grade and an exterior accessible only the pedestrians.
12 feet above grade for residential property and driveways
15 feet above grade for residential property and driveways were voltage exceeds 300 V
18 feet above grade over public streets

95
Q

What is the minimum size conductor permitted for ordinary wiring?

A

AWG, number 14 

96
Q

Maximum unsupported distance of flexible metal conduit from outlet box

A

1 foot

97
Q

Maximum unsupported distance of rigid metal conduit from outlet box

A

3 feet

98
Q

What are the minimum clear distances for voltages of less than 150 V

A

3 feet

99
Q

What is the minimum clear working distance for voltages between 151 and 600 V

A

3 feet for condition 1
3‘,6“ for condition 2
4 feet for condition 3

100
Q

What is the minimum clear working distance for voltages above 600 V?

A

Condition, one, 3 feet
Condition two, 4 feet
Condition three, 5 feet

101
Q

What is the minimum headroom of working spaces above electrical service equipment?

A

6.5 feet

102
Q

What is the maximum unsupported distance of flexible metal conduit or non-metallic sheathed cable?

A

4.5 feet

103
Q

What is the maximum unsupported distance of electrical metal tubing or rigid metal conduit?

A

10 feet

104
Q

How is a calorie defined for HVAC

A

The amount of heat needed to raise the temperature of 1 g of water, 1°C

105
Q

What is the definition of a BTU for HVAC?

A

The amount of heat required to raise the temperature of 1 pound of water, 1°F

106
Q

What is the primary component of natural gas?

A

Methane, 80 to 95%

107
Q

What is the heating value of natural gas?

A

1000 BTU per cubic foot

108
Q

What is the heating value of propane?

A

2516 BTUs per cubic foot

109
Q

What is the cooling capacity of a 1 ton air conditioner?

A

12,000 BTUs per hour

110
Q

What grade steel is considered all purpose, and used for most buildings and bridge construction

A

ASTM A36

111
Q

What structural steals are used for rust resistance?

A

A242, A588

112
Q

What welding methods are approved for structural work

A

Shielded, metal, ark, submerged, ark, gas, metal arc, and flux-cord arc

113
Q

What are the four types of copper pipe and tubing?

A

K, L, M and DWV. Listed in order of thickness greatest to least

114
Q

What is the maximum service temperature of PVC pipe?

A

140 to 150°F

115
Q

What type of plastic pipe is used for hot water pipe and what is it rated?

A

Chlorinated poly vinyl chloride (CPVC).
Rated for 180°F and 100 psi

116
Q

How does one join cast-iron pipe sections together?

A

Lead and Oakum

117
Q

What is the maximum length of an approved, flexible gas line or appliance connector

A

36 inches

118
Q

How many braces does a water heater need?

A

Two: one in the upper third, The Other in the lower third

119
Q

What is the minimum clearance on either side of a toilet?

A

15 inches, measured from the center got him a fancy big boy collar

120
Q

What is the minimum opening width of a shower door

A

22 inches

121
Q

Minimum shower stall dimensions

A

32” x 32”

122
Q

Minimum shower stall ceiling height

A

70 inches

123
Q

For plumbing, what is one fixture unit? And what is it used for

A

One fixture unit is equal to 7.5 gallons per minute of water usage
It used to calculate drainage, pipe, sizing, by calculating the maximum load of all combined fixture units that will be connected to a drain

124
Q

What is the minimum burial depth for external metal gas piping?

A

12 inches

125
Q

What is the minimum burial depth for plastic gas piping and exterior locations?

A

18 inches

126
Q

What type of welding is SMAW

A

Shielded metal ark, welding 

127
Q

What type of welding is SAW and what is it used for?

A

 Submerged arc metal.
Used for horizontal welding of thick metal plates in a production environment

128
Q

What type of Welding is FCAW and what is it used for?

A

Flux core arc welding. Used in low carbon applications. More expensive than gas metalwork Welding weld.

129
Q

What type of Welding is GMAW

A

Gas metal ark, welding, also known as MIG welding

130
Q

What is OAW Welding?

A

Oxyacetylene Welding

131
Q

What is the name for sediment that is transported from one area to another by water

A

Alluvium

132
Q

What is a scarp?

A

A near vertical slope along the margin of a plateau, fault Terrace etc.

133
Q

What is a benchmark

A

A permanent marker placed by the surveyor that designates a point of known elevation

134
Q

What is the hinge point?

A

It is a Catchpoint designating, where the fill slope ends, and the road grade begins

135
Q

What color designates an electric underground service?

A

Red

136
Q

What color marking designates an underground sewer service?

A

Green

137
Q

What marking color designates an underground water service line

A

Blue

138
Q

What color designates, underground communications?

A

Orange

139
Q

What color marking designates, underground gas oil or steam?

A

Yellow

140
Q

What color marking, designates, underground reclaimed, water, service lines

A

Purple

141
Q

What color marking is used to designate the intended excavation location

A

White paint

142
Q

How should abandoned underground services be marked?

A

With an Ainside of a circle

143
Q

What are the five steps to a safe excavation? 

A
  1. Survey and Mark.
  2. Call 811
  3. Wait, at least two working days
  4. Respect the marks.
  5. Locate the utilities by hand.
    

General Engineering Exam (5 decks)

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