Venturi meter is used to measure water, if

1 Answer

Answer :

Ans.Water flow from the pipe

Related questions

Description : Most important method for calculating discharge for planning a water supply project, is  (A) Velocity area method  (B) Weir or spillway method  (C) Use of venturi-meter  (D) Using power plant consumption 

Last Answer : (A) Velocity area method

Description : Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter. (A) For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal ... than an orificemeter (D) Venturimeter incurs less power loss compared to an equivalent orificemeter

Last Answer : (C) Venturimeter occupies less space than an orificemeter

Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in  cm, runoff can be calculated by  (A) Velocity area method  (B) Weir or spillway method  (C) Use of venturi-meter  (D) Using power plant consumption 

Last Answer : (A) Velocity area method 

Description : Explain with neat labelled diagram measurement of flow using venturi meter

Last Answer : Explanation: It is a primary element of differential pressure Flow meters. 1) It consists of a straight inlet section, a converging conical inlet section, a cylindrical throat and diverging recovery ... abruptly, so permanent pressure loss or energy loss is very low as compared to orifice plate.

Description : A venturi-flume is used to measure (A) Pressure of liquid (B) Discharge of liquid (C) Pressure difference between two points in a channel (D) Pressure difference between two points in a pipe

Last Answer : Answer: Option B

Description : The most popular mechanical measure to control soil erosion and conserve is

Last Answer : Ans.Contour Bunding

Description : Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Last Answer : (4) Reverse Osmosis Explanation: Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. It can ... of potable water. It is most commonly known for its use in drinking water purification form.

Description : Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Last Answer :  Reverse Osmosis

Description : Sulphuric acid mist is arrested by using a __________ scrubber. (A) Packed wet (B) Hollow wet (C) Venturi (D) Co-current

Last Answer : (C) Venturi

Description : The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the (A) Venturi atomiser (B) Gravity settling chamber (C) Electro-static precipitator (D) Cyclone separator

Last Answer : (C) Electro-static precipitator

Description : Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an (A) Air filter (B) Bag filter (C) Venturi scrubber (D) Hydrocyclones

Last Answer : (A) Air filter

Description : Which of the following equipments is not used for liquid dispersion? (A) Wetted wall towers (B) Packed towers (C) Venturi scrubbers (D) Agitated vessels

Last Answer : (D) Agitated vessels

Description : Permanent pressure loss in a well designed Venturimeter is about __________ percent of the venturi differential. (A) 1 (B) 10 (C) 30 (D) 50

Last Answer : (A) 1

Description : Which of the following equipments is used for liquid dispersion? (A) Packed column (B) Venturi scrubber (C) Bubble cap plate column (D) Wetted wall column

Last Answer : Option B

Description : Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is ... and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Last Answer : a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting.

Description : 13. A venturi flume is a flumed structure constructed across a channel by restricting its width. A) True B) False

Last Answer : A

Description : The coefficient of venturi-flume, generally, lies between (A) 0.3 to 0.45 (B) 0.50 to 0.75 (C) 0.75 to 0.95 (D) 0.95 to 1.0

Last Answer : Answer: Option D

Description : In a venturi-flume, the flow takes place at (A) Atmospheric pressure (B) Gauge pressure (C) Absolute pressure (D) None of these

Last Answer : Answer: Option A

Description : Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss

Last Answer : Venturi Flow Meter vs Orifice Plate Meter

Description : The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: (A) Pressure is lower but ... velocity is lower (C) Both pressure and velocity are lower (D) Pressure and velocity are identical

Last Answer : The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: (A) Pressure is lower but ... lower (C) Both pressure and velocity are lower (D) Pressure and velocity are identical

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

Description : The quantity of water needed for normal crop growth and yield in a period of time to a place and may be supplied by precipitation or by irrigation or by both.

Last Answer : Ans.Water requirement of a crop

Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.

Last Answer : Ans.Transpiration

Description : A diffusive process by which liquid water in the form of vapour is lost in the atmosphere

Last Answer : Ans.Evaporation

Description : Capillary movement of water is complemented by

Last Answer : Ans.Root extension

Description : When water is held tightly as thin film around soil particles by adsorption forces and flows at gravity of > -31 bar, is called

Last Answer : Ans.Hygroscopic water

Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension

Last Answer : Ans.Capillary water

Description : The water, that moves downward freely under the influence of gravity (< 1/3 bar) beyond the root zone

Last Answer : Ans.Gravitational water

Description : The amount of soil moisture or water content held in soil after excess water has drained away is called

Last Answer : Ans.Field capacity (FC)

Description : The water content between Field capacity (-1/3 bar) to PWP (-15 bar) is called

Last Answer : Ans.Available water

Description : The saving of water in sprinkler and drip irrigation methods as compared to surface irrigation methods

Last Answer : Ans.25-50%and 50-70%water, respectively.

Description : Discharge rate of water per dripper is

Last Answer : Ans.1-4 litre/hrs

Description : Micro irrigation method, in which water is applied as drop form through emitters

Last Answer : Ans.Drip method

Description : The rate of water delivery in sprinkler system is

Last Answer : Ans.>1000 litre/hrs.

Description : Micro irrigation method, in which water is applied as spray

Last Answer : Ans.Sprinkler method