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A load of 500 kg was lifted through a distance of 13 cm by an effort of 25 kg which moved through a distance of 50 cm. The mechanical advantage of the lifting machine 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:
If a 20 m chain gets displaced from correct alignment by a perpendicular distance & meter,then the error is given by:
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:
Which of the following will have a plasticity index of 20?
........... 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:
The back sight reading on a benchmark (100m) was 2.750m. If the inverted staff reading to the bottom of a slab is 1.250m. RL of the bottom of the slab 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:
Terminal velocity of a small sphere settling in a viscous fluid varies as the: