PAES 1.3

73問 • 1年前

ユーザ名非公開

通報

問題一覧

For in-line channels, the design flow velocity of the canal shall not exceeded to the blank

Maximum permissible velocity

The black depends on the resistance to erosion of the banks of the canal

Maximum permissible velocity

The blank in lined channels shall be also considered

Minimum permissible velocity

What is the permissible minimum velocity for line channels where the flow velocity shall be in no case to low to produce sand deposits, or allow weed growth inside the canal?

0.6 m/s for plain water and 0.9 m/s for water with sediments

What is the maximum permissible velocity of rock?

2 m/s

The maximum permissible velocity of decomposed disintegrated rock

1.50 m/s

Maximum permissible, velocity of gravel with silt and sand

1.20 m/s

What is the maximum permissible velocity of clay?

0.90 m/s

Maximum permissible velocity of clay loam

0.80

What is the maximum permissible velocity of clay?

0.90 m/s

What is the maximum permissible velocity of loam?

0.70 m/s

The maximum permissible velocity of Sandy loam and silty loam

0.60

Maximum permissible velocity of sandy soil

0.45 m//s

What is the main roughness coefficient of a streams on plane straight no weeds neither cracks nor depths are presents

0.0300

The recommended shapes for irrigation panels are

Trapezoidal or rectangular

For line channels, the recommended sides slope is blank

1.5: One

For online channels, sides, slope shall depend on blank

Soil characteristics

What is the side slope of hard rock?

1/4 is to 1 to 1/2 is to one

What is the side slope of the compost rock or soft rock?

1/4 : 1 to 1:1

Sides, slope of granular, soils, sand, gravel, and silt

1:1 to 1.5:1

What is the side slope of highly plastic expensive clays loams?

1.5:1 to 2:1

What is the sides love of a noncohesive and loose sandy soils

2:1 to 3:1

The bottom slope, or the slope of the channel bed shall be determined from the blank

Topographic surveys

The flow capacity in the cross-sectional area, including the free board shall be about blank to blank times the design discharge

1.25 to 1.35

The supply kennel shall follow the blank to be irrigated by the gravity in order to supply the west area within the range of available water head

Supply canal

This should be avoided, taking into consideration the available water, head and available velocity

high bunking or deep cut sections

This plants or projects shall be considered in Canal route section

Regional development plans

This is one of the methods used to measure the seepage and percolation in open channels, where a section of the channels shall be sealed at two ends by earth in embankments lined with plastic sheet

ponding

It is the sealed section form between earth, embankment combined seepage and percolation will be measured

pond

At the start of each measurement period the depth of water in the pond shall be set at blank to the design, full supply level of the channel

Approximately equal

In the site selection of channel sections, it is to be considered that the channel sections be at least blank meters long straight at with uniform, cross-sections and slope

10 m

Buffer zones shall be provided with a span of about blank meters on each end of the selected death section as shown in figure one

1.5 m

The pond and buffer zone shall be filled with water to the normal operating capacity of the channel. What is the capacity of the channel depth?

80%

One stealing cylinder shall be installed for every blank

10 m of test section

The stealing cylinder shall be installed at the blank of the pond at the stable and level position were hook gauge measurements shall be taken

Middle

And installing the cylinder, it shall be driven until how many centimeters clearance is achieved between the rim of the cylinder, and the normal water level of the channel

5 cm clearance

How many minutes the reading shall be taken

Every 15 minutes

What is the seepage and percolation of clay?

1.25 mm per day

What is the seepage and percolation of silty clay?

1.5 mm per day

What is the seepage and percolation of clay loam?

1.75

What is the seepage and percolation of silty Clay loam

1.75 mm per day

What is the seepage and percolation of sandy clay loam

2 mm per day

What is the seepage and percolation of Sandy loam

4 mm per day

The accounting of water inflows, such as irrigation and rainfall and outflow, such as evaporation, seepage and percolation

Water balance

It is one of the methods used to measure the conveyance, losses, and open channels where a section of the selected channel shall be analyzed, using the water balance approach

Inflow outflow

It is an overflow structure, built perpendicular to an open channel access to measure the rate of flow of water

weir

In line structure with the geometrically, specified construction built in an open channel such that the centerline coincides with the centerline of the channel in which of the flow is to be measured

Flume

It is a measuring device with a well-defined, sharp edge opening in a walk-through, which flow occurs such that the upstream water level is always well above the top of this opening

Orifice

Velocity measuring device used in a sample point through which partial discharge can be obtained

Current meter

Weir Constructed with a crest of vertical thin

Sharp crested/thin plate

What are the other classification of sharp quested/thin plate?

Contracted, rectangular, suppressed rectangular, cipoletti contracted, v-notch

What are the types of flumes?

Long throat, dead, or rectangular control section, cut-throat, parshall

What are the type of orifices?

Circular sharp edge, Rectangular sharp edge

What are the types of current meters?

Anemometer and propeller type, electromagnetic, Doppler type, Optical strobe velocity meter

It is a classification of current meter that uses anemometer cup and propellers for sensing velocity

Anemometer and propeller type

It is a classification of current meter rated by dragging through tanks of Stillwater and known speeds. It also does not sense direction of velocity.

Anemometer and propeller type

It is a classification or type of current meter that produces voltage proportional to the velocity. It also provides direct analog reading of velocity it provides directional measurement.

Electromagnetic

A type of current meter that measures velocity by the change of source, light, or sound frequency from the frequency of reflections from moving particles

doppler type

A type of current meter that uses laser light or sound

Doppler type

It is the type of current meter that measures velocity using the strobe effect with the mirrors mounted around the polygon, drum, reflecting, light coming from the water surface

Optical strobe velocity meter

What is the free flow limit of parcel flumes with of throat 15.2 cm to 23 cm

60%

What is the free flow limit of the weight of throat that has 30.5 cm to 244 cm

70%

Occurs, as the water flows over the concrete baffle box, which are located along the floor of the chute

Energy dissipation

The second component in which it prevents racing of water on the upstream, insures generation of critical velocity at that point, and provides controlled water surface on the upstream

Control notch/inlet sill

It decreased circulation of the upstream and downstream, and to retain the backfill along the slope

Cast of wall/wing walls

It is affected by formation of hydraulic jump in the stealing pool at the end of rectangular, inclined through, and is more effective when water has no wide fluctuations

Energy dissipation

This transition to reduce gradual change of water, prism and velocity from canal to the structure

Upstream transition

It controls the upstream water level and prevents erosion of the canal bed on the upstream

Inlet

Accelerates the water to flow at super critical velocity so the hydraulic jump is formed in the stealing pool and excess energy is dissipated

Inclined channel chute

Provided at the lower end of the incline channel to create hydraulic conditions conductive formation of a hydraulic jump under full and partial flows and accomplished dissipation of excess energy

stilling pool

Controls water level in the stealing pool

Outlet

Provide smooth change of velocity from the outlet to Canal section to reduce turbulence and erosion

Downstream transition

It is a typical plan and have plain view of road crossing

Road crossing

Materials

Materials

Materials 1.2

Materials 1.2

Fluid Mech

Fluid Mech

Fluid Mech 1.2

Fluid Mech 1.2

ABE LAWS

ABE LAWS

ABE LAWS 2

ABE LAWS 2

ABE LAWS 3

ABE LAWS 3

Laws

Laws

casting

casting

finals

finals

surveying

surveying

PAES

PAES

PAES 1.2

PAES 1.2

add ons paes

add ons paes

TERMS

TERMS

MIDTERMS

MIDTERMS

MIDTERMS

MIDTERMS

PRECIPITATIO

PRECIPITATIO

ABE 512 (1)

ABE 512 (1)

REPORTS

REPORTS

PAES 302

PAES 302

PNS

PNS

BASIC COMPONENTS OF TRACTOR

ユーザ名非公開 · 100問 · 1年前

BASIC COMPONENTS OF TRACTOR

BASIC COMPONENT 2

BASIC COMPONENT 2

問題一覧

For in-line channels, the design flow velocity of the canal shall not exceeded to the blank

Maximum permissible velocity

The black depends on the resistance to erosion of the banks of the canal

Maximum permissible velocity

The blank in lined channels shall be also considered

Minimum permissible velocity

What is the permissible minimum velocity for line channels where the flow velocity shall be in no case to low to produce sand deposits, or allow weed growth inside the canal?

0.6 m/s for plain water and 0.9 m/s for water with sediments

What is the maximum permissible velocity of rock?

2 m/s

The maximum permissible velocity of decomposed disintegrated rock

1.50 m/s

Maximum permissible, velocity of gravel with silt and sand

1.20 m/s

What is the maximum permissible velocity of clay?

0.90 m/s

Maximum permissible velocity of clay loam

0.80

What is the maximum permissible velocity of clay?

0.90 m/s

What is the maximum permissible velocity of loam?

0.70 m/s

The maximum permissible velocity of Sandy loam and silty loam

0.60

Maximum permissible velocity of sandy soil

0.45 m//s

What is the main roughness coefficient of a streams on plane straight no weeds neither cracks nor depths are presents

0.0300

The recommended shapes for irrigation panels are

Trapezoidal or rectangular

For line channels, the recommended sides slope is blank

1.5: One

For online channels, sides, slope shall depend on blank

Soil characteristics

What is the side slope of hard rock?

1/4 is to 1 to 1/2 is to one

What is the side slope of the compost rock or soft rock?

1/4 : 1 to 1:1

Sides, slope of granular, soils, sand, gravel, and silt

1:1 to 1.5:1

What is the side slope of highly plastic expensive clays loams?

1.5:1 to 2:1

What is the sides love of a noncohesive and loose sandy soils

2:1 to 3:1

The bottom slope, or the slope of the channel bed shall be determined from the blank

Topographic surveys

The flow capacity in the cross-sectional area, including the free board shall be about blank to blank times the design discharge

1.25 to 1.35

The supply kennel shall follow the blank to be irrigated by the gravity in order to supply the west area within the range of available water head

Supply canal

This should be avoided, taking into consideration the available water, head and available velocity

high bunking or deep cut sections

This plants or projects shall be considered in Canal route section

Regional development plans

This is one of the methods used to measure the seepage and percolation in open channels, where a section of the channels shall be sealed at two ends by earth in embankments lined with plastic sheet

ponding

It is the sealed section form between earth, embankment combined seepage and percolation will be measured

pond

At the start of each measurement period the depth of water in the pond shall be set at blank to the design, full supply level of the channel

Approximately equal

In the site selection of channel sections, it is to be considered that the channel sections be at least blank meters long straight at with uniform, cross-sections and slope

10 m

Buffer zones shall be provided with a span of about blank meters on each end of the selected death section as shown in figure one

1.5 m

The pond and buffer zone shall be filled with water to the normal operating capacity of the channel. What is the capacity of the channel depth?

80%

One stealing cylinder shall be installed for every blank

10 m of test section

The stealing cylinder shall be installed at the blank of the pond at the stable and level position were hook gauge measurements shall be taken

Middle

And installing the cylinder, it shall be driven until how many centimeters clearance is achieved between the rim of the cylinder, and the normal water level of the channel

5 cm clearance

How many minutes the reading shall be taken

Every 15 minutes

What is the seepage and percolation of clay?

1.25 mm per day

What is the seepage and percolation of silty clay?

1.5 mm per day

What is the seepage and percolation of clay loam?

1.75

What is the seepage and percolation of silty Clay loam

1.75 mm per day

What is the seepage and percolation of sandy clay loam

2 mm per day

What is the seepage and percolation of Sandy loam

4 mm per day

The accounting of water inflows, such as irrigation and rainfall and outflow, such as evaporation, seepage and percolation

Water balance

It is one of the methods used to measure the conveyance, losses, and open channels where a section of the selected channel shall be analyzed, using the water balance approach

Inflow outflow

It is an overflow structure, built perpendicular to an open channel access to measure the rate of flow of water

weir

In line structure with the geometrically, specified construction built in an open channel such that the centerline coincides with the centerline of the channel in which of the flow is to be measured

Flume

It is a measuring device with a well-defined, sharp edge opening in a walk-through, which flow occurs such that the upstream water level is always well above the top of this opening

Orifice

Velocity measuring device used in a sample point through which partial discharge can be obtained

Current meter

Weir Constructed with a crest of vertical thin

Sharp crested/thin plate

What are the other classification of sharp quested/thin plate?

Contracted, rectangular, suppressed rectangular, cipoletti contracted, v-notch

What are the types of flumes?

Long throat, dead, or rectangular control section, cut-throat, parshall

What are the type of orifices?

Circular sharp edge, Rectangular sharp edge

What are the types of current meters?

Anemometer and propeller type, electromagnetic, Doppler type, Optical strobe velocity meter

It is a classification of current meter that uses anemometer cup and propellers for sensing velocity

Anemometer and propeller type

It is a classification of current meter rated by dragging through tanks of Stillwater and known speeds. It also does not sense direction of velocity.

Anemometer and propeller type

It is a classification or type of current meter that produces voltage proportional to the velocity. It also provides direct analog reading of velocity it provides directional measurement.

Electromagnetic

A type of current meter that measures velocity by the change of source, light, or sound frequency from the frequency of reflections from moving particles

doppler type

A type of current meter that uses laser light or sound

Doppler type

It is the type of current meter that measures velocity using the strobe effect with the mirrors mounted around the polygon, drum, reflecting, light coming from the water surface

Optical strobe velocity meter

What is the free flow limit of parcel flumes with of throat 15.2 cm to 23 cm

60%

What is the free flow limit of the weight of throat that has 30.5 cm to 244 cm

70%

Occurs, as the water flows over the concrete baffle box, which are located along the floor of the chute

Energy dissipation

The second component in which it prevents racing of water on the upstream, insures generation of critical velocity at that point, and provides controlled water surface on the upstream

Control notch/inlet sill

It decreased circulation of the upstream and downstream, and to retain the backfill along the slope

Cast of wall/wing walls

It is affected by formation of hydraulic jump in the stealing pool at the end of rectangular, inclined through, and is more effective when water has no wide fluctuations

Energy dissipation

This transition to reduce gradual change of water, prism and velocity from canal to the structure

Upstream transition

It controls the upstream water level and prevents erosion of the canal bed on the upstream

Inlet

Accelerates the water to flow at super critical velocity so the hydraulic jump is formed in the stealing pool and excess energy is dissipated

Inclined channel chute

Provided at the lower end of the incline channel to create hydraulic conditions conductive formation of a hydraulic jump under full and partial flows and accomplished dissipation of excess energy

stilling pool

Controls water level in the stealing pool

Outlet

Provide smooth change of velocity from the outlet to Canal section to reduce turbulence and erosion

Downstream transition

It is a typical plan and have plain view of road crossing

Road crossing