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

In the levelling operations, the Back sight and Force sight are taken to the point

Value of cos 60° is equal to

The length of one link of a metric chain of 30 m

The end supports of an arch are known as

The vertical distance between two adjacent contours is known as

Slump test of concrete is a measure of its

Line ranger is used

The horizontal member constructed over an opening to take the load coming above is known as

The most suitable flooring for dance hall is

Energy in moving object is called

A wall constructed for protecting the natural ground at its back is known as

For ordinary R.C.C work in a building,proportion of concrete is generally

The temporary support to an unsafe structure for its rectification work is known as

The coagulant used for water treatment is

The vertical members fixed between steps and handrail is called

Usual minimum size of service pipe for domestic water supply is

The soil treating process so as to improve physical conditions or properties so as it comes stable and durable is

Fore bearing and back bearing of a line exactly differ by

In the third order lever, the MA is always

A fixed point of known elevation is