Kerala Public Service Commission Trademan Lab Technician 2016 Paper
Length of an Engineer’s chain is
(a) 100 ft
(b) 66 ft
(c) 20 meter
(d) 33 ft
The most accurate tape is
(a) Linen tape
(b) Invar tape
(c) Steel tape
(d) Metallic tape
Identify an instrument used for marking stations
(a) chain
(b) tape
(c) peg
(d) cross staff
Least count of a levelling staff
(a) 5 cm
(b) 5 m
(c) 1 mm
(d) 5 mm
The line passing through the optical centre of the objective traversing the eye piece and entering the eye is known as
(a) line of sight
(b) line of collimation
(c) optical centre of a lens
(d) axis of the telescope
The first sight taken on a levelling staff held at a point of known elevation is called
(a) F.S
(b) B.S
(c) H.I
(d) I.S
The scale on which three dimensions can be measured known as
(a) Chord scale
(b) Plain scale
(c) Diagonal scale
(d) None of the above
A triangle is said to be well conditioned if none of the angles is less than
(a) 90 degree
(b) 60 degree
(c) 45 degree
(d) 30 degree
A line joining some fixed points on the main survey lines
(a) Tie line
(b) Check line
(c) Base line
(d) None of the above
Equidistant and parallel contours represent ________ areas
(a) Flat
(b) Gentle slope
(c) Steep slope
(d) Slope
The vertical distance between any two consecutive contours is called
(a) vertical equivalent
(b) horizontal equivalent
(c) contour interval
(d) contour gradient
If R.L of a B.M is 200.000 m, back sight is 1.525 m and fore sight is 3.285 m. R.L of the forward stations is
(a) 201.700 mm
(b) 201.525 mm
(c) 204.810 mm
(d) 198.240 mm
Rocks formed by cooling of magma is
(a) Metamorphic rocks
(b) Igneous rocks
(c) Sedimentary rocks
(d) None of the above
Slate in the form of tiles is used
(a) for paving
(b) as road metal
(c) as an excellent roof covering material
(d) None of the above
An example for silicious rock is
(a) Marble
(b) Slate
(c) Lime stone
(d) Sand stone
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