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BOARD EXAM > TERMS > Flashcards

TERMS Flashcards

1
Q

the ideal capacity of road

A

2000 veh/hr

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2
Q

no. of veh/unit distance occupying a section

A

density

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3
Q

no. of veh moving in a specified direction on a given lane or roadway

A

traffic volume

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4
Q

ability to accommodate traffic volume

A

traffic capacity

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5
Q

time interval between the passage of successive veh

A

time headway

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6
Q

distance between successive veh

A

space headway

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7
Q

arithmetic mean of speed of veh

A

time mean speed

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8
Q

harmonic mean of speed of veh

A

space mean speed

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9
Q

max speed that can be attained

A

mean free speed

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10
Q

transmission of sensations received to brain

A

perception time

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11
Q

after perception, formation of new thoughts

A

intellection

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12
Q

linked with the 2 stages, perception and intellection, like fear and anger

A

emotion

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13
Q

taking decision

A

volition

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14
Q

distance travelled during total reaction

A

lag distance

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15
Q

process of reaction of driver

A

P I E V
perception
intellection
emotion
volition

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16
Q

application of brake

A

braking distance

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17
Q

minimum sight distance to stop

A

stopping sight distance

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18
Q

minimum sight distance to maneuver without colliding opposing veh

A

passing sight distance

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19
Q

hypothetical wave, largest 1/3 of height

A

significant wave

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20
Q

datum line

A

mean lower low water (MLLW)

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21
Q

length between 2 consecutive crests

A

wavelength

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22
Q

distance of highest to lowest in wave

A

wave height

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23
Q

highest point in wave

A

crest

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24
Q

lowest point in wave

A

through

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25
Q

groundwater table rises

A

bearing decreases

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26
Q

used to measure undrained shear strength

A

shear vane

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27
Q

Sudden change of water level

A

hydraulic jump

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28
Q

pressure surge or wave

A

water hammer

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29
Q

sum of vertical component of all intergranular contact force

A

effective stress

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30
Q

sudden drop

A

liquefaction

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31
Q

upstream to downstream

A

flow line

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32
Q

same magnitude and direction

A

uniform flow

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33
Q

flow not changed in time

A

steady flow

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34
Q

V=2m/s, critical time per unit length

A

1sec

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35
Q

flow of water in pipe takes place from ___________________

A

higher energy to lower energy

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36
Q

present overburden pressure, unit weight times height

A

geostatic pressure

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37
Q

mole attraction of like particles

A

cohesion

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38
Q

mole attraction of unlike particles

A

adhesion

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39
Q

hydrometer used for

A

specific gravity

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40
Q

formation of spray of liquid drops

A

weber number

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41
Q

piezometer is for

A

very low pressure

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42
Q

manometer is for

A

pressure in channel’s pipe

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43
Q

manning’s formula for

A

head loss due to friction of open channel

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44
Q

avoid interruption of flow in syphon

A

summit

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45
Q

rise of liquid, revolving cylinder

A

same as the depression of liquid at the axis of rotation

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46
Q

fluids change the volume under external pressure

A

compressibility

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47
Q

shear stress directly proportional to

A

shear strain or rate of shear strain

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48
Q

total energy gradient is the graphical churva

A

AOTA

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49
Q

total pressure on TOP closed cylindrical, 100% filled

A

radius^4

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50
Q

hydraulic grade line

A

may be above or below the center of conduit

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51
Q

specific weight of sea water

A

AOTA

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52
Q

clays are more porous than sands

A

AOTA

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53
Q

internal molecular attraction

A

more in well compacted clays

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54
Q

quantity seepage of water through soil is proportional to

A

both A and B

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55
Q

effective size of particles of soil

A

D10

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56
Q

coefficient of compressibility

A

strain to stress

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57
Q

failure plane ____ carry max shear stress

A

does not

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58
Q

increases with increase in liquid limit

A

compression index of soil

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59
Q

lateral support excavation

A

caisson

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60
Q

consist of 3 layer of wood churva

A

plywood

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61
Q

1 layer of wood only

A

glulam

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62
Q

type of slab, column chuchu

A

flat slab

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63
Q

type of slab, kung walang column chuchu

A

flat plate

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64
Q

force is intensity of pressure times centroid of area

A

AOTA

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65
Q

centroid of submerged surface coincides with center of pressure

A

surface is horizontal

66
Q

soil mass is in plastic equilibrium if

A

on the verge of failure

67
Q

practical fluids posses

A

AOTA

68
Q

soil moisture driven off by heat

A

hydroscopic water

69
Q

seepage force in soil

A

AOTA

70
Q

liquid particle has definite path, adjacent don’t cross each other

A

stream line flow

71
Q

soil is expansive if:
-PI is ___ or greater
-soil particles pass seive no 200 is more than ___
-exceed swell pressure by ____

A
  • 15%
  • 10%
  • 20%
72
Q

excavation in excess of ____ depth shall have shoring

A

1.5m

73
Q

minimum of ___ test for every 500m^2 with compaction

A

3

74
Q

volume is more accurate. only volume has units of time

A

true

75
Q

treatments

A

realigning

76
Q

B/C analysis

A

insurance chuchu

77
Q

assumptions

A

coefficient of friction

78
Q

topographic surveys

A

I,II,III,V

79
Q

green’s theorem

A

service area

80
Q

factors affecting experiment chuchu

A

natural, instrument, and personal

81
Q

rapid curing of asphalt

A

petroleum chuchu

82
Q

lifting capacity of crane decrease with ____

A

increase in load radius

83
Q

space mean speed is always _______ to time mean speed

A

less than or equal

84
Q

absolute viscosity at 140*F

A

viscosity grading

85
Q

penetration standardized needle, 77*

A

penetration

86
Q

conform gradual movement

A

flexibility

87
Q

repeated wheel loads

A

fatigue resistance

88
Q

resist tire slipping or skidding

A

skid resistance

89
Q

resistance to passage of water and air

A

impermeability

90
Q

allow passage of water and air

A

permeability

91
Q

ease of placement and compaction

A

workability

92
Q

test for the workability of concrete

A

slump test

93
Q

maximum and minimum of slump test

A

max= 100mm, 4in
min= 25mm, 1in

94
Q

interconnected cracks, small blocks

A

alligator cracks

95
Q

forming thin layer, migrated upward

A

bleeding

96
Q

disintegration of pavement in limited area

A

blow-up

97
Q

cracks perpendicular

A

cold cracking

98
Q

plastic deformation by ripples across the pavement

A

corrugation

99
Q

separation of pavement

A

cracking

100
Q

break up of pavement

A

disintegration

101
Q

liquid asphalt draining

A

drain down

102
Q

different in elevation of edges of 2 adjacent slabs

A

faulting

103
Q

longitudinal cracking

A

lateral spreading cracking

104
Q

excessive displacement under traffic

A

plastic instability

105
Q

aggregates surfaces become smooth and rounded

A

polishing

106
Q

bowl-shaped hole in pavement

A

pothole

107
Q

bellows-like movement of pavement

A

pumping

108
Q

gradual, progressive loss of surface by loss of fine

A

raveling

109
Q

follow the crack, joint pattern of layers

A

reflective cracking

110
Q

channelized depressions occur in normal paths

A

rutting

111
Q

peeling away of upper layer

A

scaling

112
Q

pushing the pavement around, resulting in bulging

A

shoving

113
Q

crescent shaped crack

A

slippage cracking

114
Q

breaking or slipping of pavement

A

spalling

115
Q

alternating areas, uneven spraying

A

streaking

116
Q

asphalt not sticking to aggregate, water susceptibility

A

stripping

117
Q

slow setting pavement
difficult to roll or compact

A

tender mix

118
Q

local upward displacement

A

upheaving

119
Q

bituminous concrete
mixture of asphalt binder and mixed aggregate

A

hot mix asphalt concrete (HMAC)

120
Q

stopping sight distance of loaded ship is _______ times the ship’s length

A

7 to 8

121
Q

more than 1 ship accommodated in berth, clearance is _____ times the length of largest ship

A

0.1

122
Q

formed by frictional drag
energy from wind

A

gravity waves

123
Q

change in dissection of travel of wave

A

wave refraction

124
Q

greatest height after the time of full and new moon

A

spring tides

125
Q

sun, moon and earth fall in line
highest tide

A

spring tides

126
Q

difference of high water and low water

A

tidal range

127
Q

greatest height after the moon is quadrature
earth with sun and moon form right triangle

A

neap tides

128
Q

largest 1/3 of all waves

A

significant waves

129
Q

max wave height and wave period of max wave height in wave train

A

highest wave

130
Q

depth is less than the half of its length
d < L/2

A

shallow water wave

131
Q

current is negligible changing directions
less than 1/10 of knot

A

slack water

132
Q

busiest ports in the world

A

1 shanghai, china
2 singapore, singapore
3 shenzen, china

133
Q

demand increase, low price

A

law of demand

134
Q

price increase, supply increase

A

law of supply

135
Q

demand high
supply down
price increase

A

law of supply and demand

136
Q

input increased continuously marginal output decrease

A

law of diminishing returns

137
Q

single supplier/seller

A

monopoly

138
Q

small no of sellers

A

oligopoly

139
Q

large no of sellers

A

perfect competition

140
Q

single buyer

A

monopsony

141
Q

small no of buyers

A

oligopsony

142
Q

large no of buyers

A

monopsonistic competition

143
Q

thin coating of asphalt

A

seal coat

144
Q

below the layer asphalt
between asphalt and binder

A

tack coat

145
Q

binds asphalt and base

A

binder

146
Q

crushed stone, etc

A

base

147
Q

intermediate support of pavement

A

subbase

148
Q

first layer in pavement, yung pinakalast

A

subgrade

149
Q

acceptable height in cut

A

3m

150
Q

acceptable height in fill

A

2m

151
Q

how many days you will inform the person involved before project/cutting/filling

A

10 days

152
Q

slope of cut and fill

A

1:2, 50%

153
Q

ground surface, slope?

A

1:5, 20%

154
Q

in benching, what is the length of first step from toe

A

3m

155
Q

ano ang pinakamalaking size ng bato sa fill

A

200mm

156
Q

what is the thickness of soil to compact before laying another soil to compact again

A

20cm

157
Q

minimum percentage in compaction

A

90% compacted

158
Q

a. bearing capacity of base=300mm by height=300mm
b. if another 300mm ang nadagdag sa either height or base, ilang percent ang idadagdag sa bearing capacity?

A

a. 100 kpa
b. 20%
Bcap = 100(1+0.2(n))
n= kung ilan ang 300mm na nadagdag

159
Q

average undrained shear strength of clay in kpa

A

soft 12-24
medium 24-48
stiff 48-96
very stiff 96-192
hard 192-383

160
Q

average undrained bearing strength of clay in kpa

A

soft 0-25
medium 25-50
stiff 50-100
very stiff 100-150
hard 150-200

161
Q

unconfined compression strength of cohesive soil deposit in kpa

A

very soft 0-24
soft 24-48
medium 48-96
stiff 96-192

BOARD EXAM (2 decks)

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