Centre of gravity of a thin hollowcone lies on the axis of symmetryat a height of:

Moment of inertia of a rectangular section 3 cm wide and 4 cm deep about an axis passing through its centre of gravity and parallel to width is:

The point through which the whole weight of the body acts,irrespective of its position is known as:

Which is the correct statement as per law of polygon of forces?

The drinking water will be safe if its biochemical oxygen demand(B.O.D) is

For what type of soil, unconfined compression test is generally applicable:

Parallel fillet welds are designed for:

The method of leveling in which height of mountains are found by observing the temperature at which water boils is known as:

The instrument used for measuring the velocity of flow is:

The cross-drainage work in which the bed level of the canal is at higher level than the HFL of natural water course is called:

Two pipe systems in series are said to be equivalent when:

The moment required to rotate the end of a beam, while acting on it, through a unit angle, without translation of the far end is known as:

The equivalent length (effective length) of a column which is effectively held in position at both ends, but not retrained against rotation is:

Out of the following mild steel sections, the most economical section is:

As per IS 800 - 1984m, the pitch of the rivets, should not be less than:

........... is the force of attraction between fine grained soil particles binding them together.

Diameter of a tube well varies from:

A system of coplanar forces is in equilibrium when:

The ratio of volume of voids to volume of solids in a soil mass is termed as:

A chain is made up of mild steel or galvanized iron wire of diameter:

In an under-reinforced section,of R.C.C beams, the depth of actual neutral axis is:

When a curve is to be set out over a rough ground, the method used is:

The accessory of a plane table,used for centering is:

In an optical square the angle between the first incident ray and last reflected ray is:

To find true difference in elevation between two points A and B, the levelling instrument must be at:

Sag correction is given by.....................where L= length of tape, W =weight of tape and P= the pull

In a column analogy method, the area of analogous column for a fixed beam of span L & flexural rigidity El is taken as:

The value of Poisson's ratio for cork and concrete are:

Presence of excess nitrates in river water indicates :

-----------------------The permissible shear stress in concrete for beams without shear reinforcement depends upon.

When a uniformly distributed load, longer than the span of the girder, moves from left to right,then the maximum bending moment at the mid-section of span occurs when the UDL occupies :

Under identical conditions evaporation from sea water is:

Chemical oxygen demand(COD)of a sample is always greater than Biochemical Oxygen Demand(BOD)since it represents:

Tacheometry is best suited:

In metric levelling staff, the number of subdivisions per meter length are:

Which of the following is not an ore of iron:

A rigid jointed plane frame is unstable (where m is the reaction members, r is the reaction components, j is the number of joints)

A beam curved in plan is designed for :

A symbol for indicating the angle of projection recommended by BIS:

when shear stress exceeds the permissible limit in a slab, then it is reduced by:

Variability of annual rainfall in India is:

A pin jointed plane frame is stable & statically determinate(where m is the reaction members, r is the reaction components, j is the number of joints)

For directly applying Simpson's rule for calculating volume of earthwork, the number of cross sections must be:

Diagonal tension reinforcement is provided in a beam as:

Elutriation is the process of:

The crack pattern at failure due to torsion is:

Oil and grease can be removed by

Under the same conditions,which of the following shapes of water surface will give the highest rate of evaporation:

Saponification is:

A line is inclined to both HP and VP the length of elevation and plan is: