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If Young modules and bulk modules of a material are same, the Poisson's ratio is
In an elastic body longitudinal strain X, Y Z direction are ex, ey and ez the volumetric strain of the body is given by
The two main gases liberated from an aneorobic sludge digestion tank would include
Which of the following forms of chorine has no disinfecting property?
If the total hardness and alkalinity of a sample of water are 300 mg/l and 100 mg/1 (on CaCO3 sclae) respectively, then its carbonate and non caronite ardness is unit of (mg/1) will be respectively
Which of the following pair is not correctly matched
The function of algae in oxidation pond is
Uniformity coefficient of filler sand is given by
The acceptable range of ph for potable water is
Garret's diagram for the design of irrigation channel is based on
A- 4 hour unit hydrograph of a certain basin has peak ordinate of 80 m³/s the peak ordinate of a 2 hour unit hydrograph for the same basin will be
The spacing of tile drains to relive logged land is directly
A channel designed by lacey's theory has a mean velocity of 1 m/ s, the silt factor is unity. The hydraulic mean radius will be
A low gravity dam is the one whose height is less than or equal to
Which one of the following does not contribute water logging
The discharge per unit draw down at a well is known as
Humidity is measured by
For the irrigation of crops the base period B, duty d and Δ are related to as
A line joining places of equal rainfall is called
The discharge through a trapezoidal channel is maximum when
The depth of flow at which specific energy is minimum is called
Chezy's formula is given as Where V =Velocity; S =Longitudinal slope; R = Hydraulic mean radius and c = Chezy's coefficient
Cipolletti weir is a trapezoidal weir having side slope of
The discharge through a rectangular notch is given by
A channel is a passage through which water flows under
A water closet is commonly made of
Fish ladder is a structure in the body of the weir used for
Creep is the
A channel section consists of
A triangle is said to be well conditioned if none of its angle is less
The lower edge of the sloping surface of a roof is called
The gradient of 1 means a rise or fall of 1 m over a horizontal distance of
Pre- stressed concrete means
Coating the surface of steel by a thin layer of zinc is known as
In village, the material used for covering the pitched roof is
The Indian standard code of practice for plain and reinforced concrete is
The direction indicated by a freely suspended magnetic needle is the
Cohesion less soil is
From septic tank the effluents are discharged in to
Acidity of sewage is indicated by pH value of
Rainfall is measured by
A canal designed to irrigate throughout the year is
The mechanical device used for compacting of concrete when its placing is
(a+b)² is equal to
The area of square of side 0.01 m is
The stones used as a roofing material is
The instrument used to draw an enlarged or reduced size plan in a particular scale from an irregular figure is
The initial lead and lift of earth work excavation in ordinary soil and depositing the earth on bank is
The whole circle bearing of a line of 125° what is its quadrant bearing