The initial lead for earth work is

In biological treatment there is formation of a biological film of

The popular plumbing system in multi storeyed building is

The traps which are provided at different places in the drain pipes are

Pathogenic bacteria can be killed by

The best coagulant for removing colour is

The type of water supply distribution system layout most suitable for a city layout on a rectangular plans is

The first stage in water treatment is

According to the recommendation of W.H.O the pH value of domestic water should be

Under average Indian conditions, the demand of water for domestic consumption(in litres per capita per day) is about

Seepage loss from irrigation canals can be reduced be

A structure which takes out slit from a canal is called

A current meter is used to measure

Delta of crop means

The separation of coarse aggregate from concrete during its transportation is known as

The radius gyration of any member is given by the formula

The minimum area of compression reinforcement in a beam must not exceed

A rivet will be in double shear if the joints is

In a steel roof truss the roofing material is supported directly on

For column carrying heavy loads, the type of base suitable is

Anchorage value of standard hook is a

In R.C.beams shear cracks appear as

The property of a soil which permits flow of water through interconnected voids is called

The ratio between the total volume of voids and the total volume of solid is called

According to I. S.Code, the size of cube for compression test is

The densification of a soil by means of mechanical manipulation is called

The binding material used in Surkhi mortar is

The portion of building in which damp proof course is provided will be

The usual proportion of concrete mix for lintel is

The maximum thickness of particles size of fine aggregate is

Stairs of residential building should have a minimum width of

A temporary structure constructed to prevent the water from entering an area when permanent structure is to be constructed, is called

The heading up of water above its normal level while passing under the bridge is known as

Loss of head at entrance to a pipe is

For maximum discharge over à triangle notch, the angle of notch should be

Reynold's number is defined as the ratio of

The most efficient channel cross section is

Capillarity is due to

The ratio of maximum deflection of a beam to its span is called

The stability of a dam is checked for---

The slenderness ratio of a long column is

When a solid shaft is subjected to torsion the shear stress induced in the shaft at its centreis

When a fixed beam of span L is subjected to central point load W then the fixing moments are

When a rectangular section of a beam is subjected to a shearing force, the ratio of maximum shear stress to the average shear stress is

The Bows notation is used only in case of

The neutral axis of a section is an axis at which the bending stress is

The bending moment at the free end of a cantilever beam carrying any type of load is

Moment of inertia of a right angle circular section of diameter (d) is given by the relaxation

Enlarging an existing circular hole with a rotating single point tool is called

The members which support covering material of a slopping roof are