The most common water flow measuring device which measures water flow in open conduit is

1 Answer

Answer :

Ans.Parshall/Venturi flume

Related questions

Description : For measuring uniform flow of water, weirs used are

Last Answer : Ans.Rectangular and Trapezoidal weir

Description : Pearling index in wheat measures

Last Answer : Ans.Kernel hardness

Description : What device measures rf power by measuring the heat the rf power generates? A. Calorimeter B. Goniometer C. Spectrum meter D. Oscilloscope

Last Answer : A. Calorimeter

Description : A(n) _____ medium provides a physical conduit from one device to another. A) guided B) unguided C) either (a)or (b) D) none of the above

Last Answer : guided

Description : The flow of excess water from the field after saturation of soil.

Last Answer : Ans.Runoff

Description : Horizontal flow of water in irrigation channels or through canals is known as

Last Answer : Ans.Seepage

Description : The velocity profile for turbulent flow through a closed conduit is (A) Logarithmic (B) Parabolic (C) Hyperbolic (D) Linear

Last Answer : (A) Logarithmic

Description : Where does the maximum stress occur in case of laminar flow of incompressible fluid in a closed conduit of diameter 'd'? (A) At the centre (B) At d/4 from the wall (C) At the wall (D) At d/8 from the wall

Last Answer : (C) At the wall

Description : Mass velocity in case of steady flow and through a constant cross￾section conduit is independent of the (A) Temperature (B) Pressure (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : In which of the following cases, it is possible for flow to occur from low pressure to high pressure? (A) Flow of liquid upward in a vertical pipe (B) Flow through a converging section (C) Flow of air downward in a pipe (D) Impossible in a constant cross-section conduit

Last Answer : (B) Flow through a converging section

Description : The tillage operation mainly aims to break, open and turn the soil

Last Answer : Ans.Primary/tillage

Description : What is the name of the device measuring small current flow ?

Last Answer : The name of the instrument used to measure small current flow is galvanometer

Description : The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir (B) Pitot tube (C) Kennison nozzle (D) V-notch

Last Answer : (B) Pitot tube

Description : Most common method of surface irrigation to irrigate groundnut and pulses

Last Answer : Ans.Check basin

Description : The most common symptoms to judge the maturity of sugarcane are

Last Answer : Ans.Cane become brittle, produces metallic sound and breaks easily at nodes.

Description : Flat bed method of sugarcane planting is most common in

Last Answer : Ans.North India

Description : The most common varieties of jute are

Last Answer : Ans.JRC-321 (Sonali), JRC-212 (Sabuj sona), JRC 7447 (Shyamli), Hybrid C (Padma), KC1 (Joydev) etc.

Description : The most common varieties of linseed

Last Answer : Ans.Jawahar-7,17,18, 552, Kiran, Mukta, Sweta, Gourav, Shital

Description : The common varieties of brown sarson are

Last Answer : Ans.JSF-1,2,5, JSI-7, EB-7, JSH-129

Description : The common varieties of brown sarson

Last Answer : Ans.Pusa kalyani, Sufla, BSH-1

Description : The most common varieties of soybean are

Last Answer : Ans.JS-2, 335, Indira Soya-9, PK-472, 1024, Gaurav, Ankur, Brag, Clark

Description : The most common varieties of sunflower are

Last Answer : Ans.Modern, MSFH-8, 17, Jwalamukhi, KBSH-1, JS-1, Sunrise selection.

Description : The common varieties of Spreading type groundnut

Last Answer : Ans.Chandra, Type-28, 64, TMV-1, 3, M- 13, 37, Vikram, Verginia, Gangapuri, Godheri-2, 3

Description : The common varieties of bunch type groundnut

Last Answer : Ans.Jyoti, Kishan, TMV-11, 12, AK-12, 24, Junagarh-11, ICGS-1, 10, 11, 44.

Description : Common varieties of urdbean

Last Answer : Ans.Pant U-30, JU-2, Type-9, Barkha, Gwalior-2

Description : The common varieties of Fieldpea

Last Answer : Ans.Rachana, Arpana, Ambika, T-65,163, Hans, KP-885, Pant C-5

Description : Common herbicide used to control weeds in wheat

Last Answer : Ans.2, 4-D

Description : Common herbicide used in rice crop field?

Last Answer : Ans.Anilophos and Butachlor.

Description : What is the name of the device that measures the flow of electricity ?

Last Answer : The name of the instrument for measuring current is ammeter

Description : ___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter

Last Answer : A. Psophometer

Description : A student measures time for 20 oscillations of a simple pendulum as 30 s. 32 s, 35 s and 31 s. 1f the minimum division in the measuring clock

Last Answer : A student measures time for 20 oscillations of a simple pendulum as 30 s. 32 s, 35 s and 31 s. 1f the minimum ... 1 (C) 32 2 (D) 32 5

Description : A pressure conduit carrying water beneath a stream or a canal, is known as  (A) Sag  (B) Depressed pipe  (C) Inverted syphon  (D) All the above 

Last Answer : (D) All the above 

Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The  expected pressure due to water hammer is 7.5 kg/cm2  in a pressure conduit of diameter 1 m.  Assuming the efficiency of the ... , is  (A) 10 mm  (B) 15 mm  (C) 20 mm  (D) 25 mm 

Last Answer : (C) 20 mm

Description : A pressure conduit laid underground, may not be subjected to  (A) Internal pressure of water  (B) Pressure due to external load  (C) Longitudinal temperature stress  (D) Longitudinal stresses due to unbalanced pressure to bends 

Last Answer : (C) Longitudinal temperature stress 

Description : Detachment and transportation of top soil particles by wind and or by water is known as.

Last Answer : Ans.Soil erosion

Description : What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?

Last Answer : Ans.2000

Description : The chemicals used to check transpiration losses of water

Last Answer : Ans.Antitranspirents

Description : Which is accumulated in the leaves of water stressed plants

Last Answer : Ans.ABA

Description : The moisture deficit condition, results when the amount of water vapour available in the soil is not sufficient to meet the demand of potential evapo-transpiration

Last Answer : Ans.Drought

Description : Water harvesting in situ is known as

Last Answer : Ans.Runoff farming (VII) Dryland Agriculture

Description : Salt content in irrigation water evaluated as best quality

Last Answer : Ans.0.2 to 0.5 g/lt

Description : The ratio of the crop yield to the total amount of water used for irrigation is called, measured in kg/ha-cm is

Last Answer : Ans.Water use efficiency

Description : What will be CPE value when irrigation is scheduled at 0.8 IW/CPE with 6.0 cm depth of irrigation water?

Last Answer : Ans.7.5 cm or 75 mm

Description : The period when water requirement is maximum is called as

Last Answer : Ans.Critical stages of water requirement

Description : Water requirement of maize and groundnut are

Last Answer : Ans.50-80 cm

Description : Water requirement of cotton crop

Last Answer : Ans.70-130 cm

Description : Water requirement of sugarcane

Last Answer : Ans.150-250 cm

Description : Water requirement of wheat, sorghum, soybean and tobbaco are

Last Answer : Ans.45-65 cm

Description : Water requirement of rice is

Last Answer : Ans.90-250 cm

Description : The consumptive use of water is equal to

Last Answer : Ans.ET + Mw