Agriculture MCQs

Page No. 178

The depth of flow at which the energy is maximum is called ____________________?


aSuper critical depth


bSub-critical depth


cCritical depth


dAll are correct


View Answer critical depth

Permissible velocity of water flowing through concrete lined tunnel is usually __________________?


a3- 4m/sec


b4 – 5m/sec


c5- 6m/sec


d6- 7m/sec


View Answer 4 – 5m/sec

A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?


aTurbulent flow


bRotational flow


cLaminar flow


dCircular flow


View Answer Rotational flow

Mercury does not wet the glass because of its property of ______________________?


aCapillary


bSurface tension


cCompressibility


dViscosity


View Answer Surface tension

From a water fall, if water is falling down at the rate of 100 N/sec: on the blades of a turbine when the height of fall is 100 m the power delivered to turbine will be______________?


a1,000 kw


b10,000 kw


c100 kw


d5,000 kw


View Answer 10,000 kw

velocity of gases is measured with a _____________________?


aHot wire manometer


bHot wire anemometer


cBarometer


dAll are correct


View Answer Hot wire anemometer

The hydraulic gradient line (H.G.L)represents the sum of_________________?


aPressure head + datum head


bPressure head + velocity head


cvelocity head


dWater surface



A pipe flowing full, the liquid particles in the pipe has maximum velocity at __________________?


aTop of pipe


bCentre of pipe


cBottom of pipe


dAll are correct


View Answer Centre of pipe

An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?


aDyke


bEmbankment


cMarginal embankment


dFlood protective bund


View Answer Marginal embankment

A closed conduct or barrel used used for supplying water under high pressure to a turbine to generate electricity is called __________________?


aTunnel


bPenstock


cChute


dSyphon


View Answer Penstock

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