Hydrometer is an instrument used to find:

In levelling instrument the parallax is wholly eliminated by

Simpson's rule is used for

ILO stands for

Which of the following pairs is not correctly matched?

Which one of the following is an igneous rock

Fundamental principle of survey is:

Find the value of the magnetic declination if the magnetic bearing of the Sun at noon is 184°

Magnetic bearing of a line AB is 120°, find its true bearing if the direction of magnetic north at A is 9°15' west of true north

The longest line in chain survey work is called:

In a closed traverse of side n, the sum ofinterior angles is =

Absolute pressure is

Pyrometer is used to measure:

Specific gravity is

The length of a rectangle is two times breadth. If the perimeter 36 m what will be the area

In reciprocal levelling

The object of two point problem is

Transiting means

FB. of a line is 88 30'. What is its B.B.

Magnetic bearing of a line AB is S.32° E.What is the true bearing of the line, when the declination is 8° 16'

Azimuth is nothing but

In the absence of cross staff right angles can be set out from chain line by a chain or tape

In chain survey reference sketches are used

The sketch of land prepared by the surveyor during reconnaissance is known as:

In chain survey field book the chainages are entered in ascending order from

The area measured by a 20 m chain, 0.5 link too short, is found to be 120 hectares. What will be the true area

Reciprocal ranging is applicable in surveywork

Least count in the vertical circle of theodolite is

One hectare in:

Load bearing wall structures are applicable to building those have

Unit rate of work is obtained by

Invar tape is used:

Metallic tape is made up of

The margin between crest of a dam or canal bank and full supply level is

A passage meant for the flow of surplus water over dam

Critical velocity in a channel is

Average rainfall in Kerala is

The schedule of rates are revised and published by

Dip of magnetic needle at the equator is

In prismatic compass, the graduations are marked from zero at the

The maximum permissible limit of error in chain survey is

1 Minute =

Chromatic aberration is a defect of lens due to

Reciprocal levelling is used to determine

Collimation line is

Plan and Elevation of a line segment are seen coincide, the line is situated in the

A slab of 5.05 m * 3.05 m and thickness 100 mm is provided with a main bar of 10 mm dia @ 200 mm c/c and distributing bar 8 mm dia at 200 mm c/c with a cover of 25 mm.The number of main reinforcement is

The weight per meter runs of 12 mm dia bar

The standard unit for flooring

In taking the measurement of plastered area no deduction shall be made for opening exceeding