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5th 6th month final > update > Flashcards

update Flashcards

1
Q

an experienced water treatment operator is expected to

A

all of the above

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2
Q

drinking water treatment operators have the responsibility of producing

A

safe and pleasant

C. a+b

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3
Q

water treatment operators must be able to explain the operation of their plant to

A

all of the above

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4
Q

which of the following diseases is not spread through a water supply

A

smallpox

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5
Q

typical usage of reclaimed water include all of the following except

A

drinking

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6
Q

most people like water at what temp

A

50-60f

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7
Q

what is the surface area of a circular clarifier 40ft in diameter

A

pie*r squared

1256.64

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8
Q

what chemical is used to make copper sulfate effective

A

citric acid

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9
Q

how many pounds of copper sulfate will be needed to dose a reservoir with 25ml of copper

A

335

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10
Q

200mw is scheduled to flow from bus x to bus y. x to y is a 10% distribution factor

A

20mw

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11
Q

t/f complex power is a vectoral difference

A

false

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12
Q

the greek letter theta is used to represent

A

phase angel

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13
Q

Written- synchroscope is used to compare what

A

phase
magnitude
frequency

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14
Q

t\f if two power paths are available less power will flow on the path with less impedance

A

false

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15
Q

phase shifting transformer primary function is to

A

adjust the flow of excess power

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16
Q

all of the following effect excess power flow except

A

transmission line charging

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17
Q

Written- the complex power is always equal to

A

e*l

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18
Q

Written- power flows in inverse proportion to the _____ of the available transmission path

A

impedance

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19
Q

what element of power system is most susceptible to damage to prolong operation frequency above 60hz

A

long blades of low pressure steam plant

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20
Q

t\f the north American power system is divided into interconnections

A

true

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21
Q

Written- under generation is___, over generation is___

A

slow time error

fast time error

22
Q

Written- all loads can be divided into to types

A

motor and non-motor load

23
Q

t\f if the voltage falls enough it will cause the motor to speed up

A

false

24
Q

Written- electric generator use a ___system to control shaft speed

A

governor control system

25
Q

Written- ____ governors are a type of governor on older units

A

centrifiul ball head

26
Q

Written-name two types of utility generators that use governor control systems

A

hydroelectric

steam

27
Q

Written- the load that is connected to the power system will absorb different amounts of mw depending on the frequency and ___ of the sysetem

A

voltage

28
Q

a transmission line____ is the mvar loading of the line natural capacitance

A

surge impedance loading

29
Q

what is the approx. mvr per mile for a 500kv line

A

2mvar

30
Q

in a purely inductive load what can be said about the mva disload draws from the system

A

only mvar

31
Q

t\f a generator with spare mvar is always a source of dynamic active reserve

A

false

32
Q

Written- name two types of power made by generators

A

active and reactive power

33
Q

which of the following is not the cause of low voltage

A

c excessive reactive power

34
Q

rock fill dams use all sizes of rock to

A

provide stability
around structure only
d-a+c

35
Q

what is the primary purpose of a retention dam

A

flood protection

36
Q

what is the membrane of the rock fill dame made of

A

c. asphalt, concrete, steel

37
Q

which of the following is not one of the stages of investigation of a potential dam site

A

a precipitation evaluation

38
Q

which of the following do geologic maps identify

A

a. rock unit and geologic structure

39
Q

all of the following are mechanisms that develop soil deposits on the surface except

A

a.decay

40
Q

select the most common non accessible exploring method for subsurface drilling

A

c. augur drilling

41
Q

uplift pressure and erosion caused by seepage for rock fill dams is a source of problems

A

false

42
Q

what is the purpose of the blow off structure regarding the siphon

A

draining, cleaning access, turnout

d- all of the above

43
Q

what is not one of the most commonly used flumes

A

b. wooden flume

44
Q

what is the side slope of the state water project canal

A

2:1

1 foot rise for every 2 foot out

45
Q

what is the preferred shape for a monolithic reinforced concrete chute

A

rectangular

46
Q

the most common type of construction to convey water over natural cross stream channels is

A

buried concrete pipe, monolithic concrete pipe, overhead steal pipe

d- all of the above

47
Q

latten heat of vapertion of a substance is the amount of heat a substance absorbs as it

A

b. evaporates

48
Q

from the compressor refrigerant goes to the__

A

condenser

49
Q

in sling cycometer if the difference between the wet bulb temp and dry bulb temp is small you know the air is quite____

A

humid

50
Q

relative humidity can be measured with a ____

A

hygrometer

5th 6th month final (2 decks)

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