Consider the following statements :
Water hammer can develop in an unsteady flow only.
Time required for rapid closure of valve is between 2 L/C and 4 L/C where L is the pipe length and C is the celerity of wave.
In flexible water column theory, pipe may expand and water may compress in the flow system.
Joukowskyhas carried out the mathematical analysis of water hammer.
Which is the above statements relating to water hammer in pipes are correct ?

Ratio of the width of the car parking area required at kerb forparking relative toparking is approximately

For the analysis of flow in a water distribution network, the site engineers prefer the following head loss equation :

Wearing locations of rails and their reasons are listed below :
Wear at end of rails : Loose fish bolts
Wear at sides of rail head : Constant lerake application
Wear on the top of rail head on tangent truck : Rigidity of wheel base
Wear on top of rail head on curves : Lesser area of contact between wheel and rail Which of the pairs given above are correctly matched ?

Which of the following treatment(s) will be indicated for a rural water supply from a deep groundwater source ?
Sedimentation.
Alum dosage.
Potassium permanganate dosing.
Bleaching powder application.
Select the correct answer using the codes given below :

A soil deposit has three layers having same thickness each but the permeabilities of the layers are in the ratio of 1 : 2 : 4 from top to bottom. What is the ratio of average permeability in the horizontal direction to that in the vertical direction ?

For flow under a sluice gate where the upstream depth is 1.2 m and the depth at vena contracta is 0.3 m, the discharge per meter width would be nearly

In order to find the resultant of a system of coplanar parallel system of forces, the correct sequence of the graphical procedure to be followed is

It is required to determine by periodical soundings, the rate at which silting or scouring is taking place in a harbour. Which one of the following methods is best suited for locating the positions of the soundings?

Which among the following assumptions are made in the design roof trusses ?
Roof truss is restrained by the reactions
Axes of the members meeting at a joint intersect at a common point
Riveted joints act as frictionless hinges
Loads act normal to roof surface
Select the correct answer using the codes given below:

If two triangulation signals of 6.m height each, are to be just visible over ground mutually, what is the maximum distance between their locations on the ground surface ?

What is eutrophication of lakes primarily due to ?

Why is super plasticizer added to concrete?
To reduce the quantity of mixing water.
To increase the consistency.
To reduce the quantity of cement.
To increase resistance to freezing and thawing.
Select the correct answer using the code given below :

A propped cantilever of span 'l' carries uniformly distributed load of 'w' per unit over its entire span. The value of prop react to keep the beam horizontal is

A simply supported beam of span L carries a concentrated load W at its mid-span. If the width 'b' of the beam is constant throughout the span, then, when the permissible bending stress is 'f', the beam's mid-span depth will be

What is the actual ground area covered by acm xcm size vertical aerial photograph, at an average scale of 1 cm =m havingforward overlap andside overlap ?

Why is super plasticizer added to concrete?
To reduce the quantity of mixing water.
To increase the consistency.
To reduce the quantity of cement.
To increase resistance to freezing and thawing.
Select the correct answer using the code given below :

The cleaning of slow sand filter is done by

An isosceles triangular plate of base 3 m and altitude 3 m is immersed vertically in an oil of specific gravity 0.The base of the plate coincides with the free surface of oil. The centre of pressure will lie at a distance of (from free surface)

Maximum gross take-off weight of an aircraft is

At what value of saturation does the zero air voids curve in a compaction test represent the dry density?

Consider the following statements regarding the swedish circle method of analysing stability of slopes :
It is a general method of analysing stability of slopes.
It satisfied only the overall moment equation of equilibirum.
It considers the forces action on the sides of individual slices.
It gives a factor of safety which are on the safeside.
Of the statements :

For a circular column having its ends hinged, the slenderness ratio isThe l/d ratio of the column is

Which steel member section among the following combinations can carry maximum load ?

A propped cantilever of span 'l' carries uniformly distributed load of 'w' per unit over its entire span. The value of prop react to keep the beam horizontal is

Which among the following assumptions are made in the design roof trusses ?
Roof truss is restrained by the reactions
Axes of the members meeting at a joint intersect at a common point
Riveted joints act as frictionless hinges
Loads act normal to roof surface
Select the correct answer using the codes given below:

If two triangulation signals of 6.m height each, are to be just visible over ground mutually, what is the maximum distance between their locations on the ground surface ?

Which of the following equations are used for the derivation of the differential equation for water surface profile in open channel flow :
Continuity equation
Energy equation
Momentum equation
Select the correct answer using the codes given below :

A propped cantilever of span 'l' carries uniformly distributed load of 'w' per unit over its entire span. The value of prop react to keep the beam horizontal is

What is eutrophication of lakes primarily due to ?

A simply supported beam of span L carries a concentrated load W at its mid-span. If the width 'b' of the beam is constant throughout the span, then, when the permissible bending stress is 'f', the beam's mid-span depth will be

A soil deposit has three layers having same thickness each but the permeabilities of the layers are in the ratio of 1 : 2 : 4 from top to bottom. What is the ratio of average permeability in the horizontal direction to that in the vertical direction ?

Which among the following assumptions are made in the design roof trusses ?
Roof truss is restrained by the reactions
Axes of the members meeting at a joint intersect at a common point
Riveted joints act as frictionless hinges
Loads act normal to roof surface
Select the correct answer using the codes given below:

In the plane truss shown above, how many numbers have zero force?

Consider the following statements regarding the swedish circle method of analysing stability of slopes :
It is a general method of analysing stability of slopes.
It satisfied only the overall moment equation of equilibirum.
It considers the forces action on the sides of individual slices.
It gives a factor of safety which are on the safeside.
Of the statements :

For a circular column having its ends hinged, the slenderness ratio isThe l/d ratio of the column is

Which steel member section among the following combinations can carry maximum load ?

Ratio of the width of the car parking area required at kerb forparking relative toparking is approximately

In the plane truss shown above, how many numbers have zero force?

Which among the following assumptions are made in the design roof trusses ?
Roof truss is restrained by the reactions
Axes of the members meeting at a joint intersect at a common point
Riveted joints act as frictionless hinges
Loads act normal to roof surface
Select the correct answer using the codes given below:

If two triangulation signals of 6.m height each, are to be just visible over ground mutually, what is the maximum distance between their locations on the ground surface ?

What is eutrophication of lakes primarily due to ?

Consider the following statements regarding the swedish circle method of analysing stability of slopes :
It is a general method of analysing stability of slopes.
It satisfied only the overall moment equation of equilibirum.
It considers the forces action on the sides of individual slices.
It gives a factor of safety which are on the safeside.
Of the statements :

In the plane truss shown above, how many numbers have zero force?

Bricks are burnt at a temperature range of

Tensile strength of concrete is measured by

Non-collodial liguids are :

A 4-hour rainfall in a catchment ofkm² produces rainfall depths of 6.2 cm and 5.0 cm in successive 2-hour unit periods. Assuming the φ index of the soil to be 1.2 cm/hour, the run-off volume in ha-m will be

Drop panel is a structural component in :

Water is to be pumped at the rate of 0.m³/s from a 4 m deep ground level tank to an overhead tank. The difference in levels of the full tank levels of these tanks ism. What is the approximate power required for operating aefficient centrifugal pump ?