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Invar tapes are used for taking accurate measurements because
The length of one link in Engineering surveys chain should be
The method mainly adopted in reconnaissance survey is
Substense bar is an instrument used for
The first step of temporary adjustment of a prismatic compass is
In RCC lintels the positions of main steel in concrete should be at
The convexity provided to the carriageway between the crown and the edge of the pavement is known as
Lower edge of the inclined roof surface is called
In ordinary residential public building the D.P.C is provided at
The members which support covering material of a slopping roof are
The inclined braces used in a truss to prevent the sagging of the principal rafters are called
A portion of wall on which the end of an arch rests is known as
In public building the maximum riser is limited to
The number of steps in a flight should not be less than
The type of bonding in which all cources are laid as stretchers is known as
The horizontal hairs provided in a stadia diaphragm will be
The most common input device used is the
The entire Central Processing Unit (CPU) on a single chip is called
Comparative scale is a pair of scale having a common
The multiplying constant of a theodolite is
In a traverse the deflection angle is the difference between
To observe an included angle with better accuracy the method preferred will be
Error in sighting and reading is termed as
While taking a back sight with a theodolite the screw which is tightened first is
The size of a theodolite is specified by
The process of turning telescope about the horizontal axis in a vertical plane by 180 degree revolution is known as
The vertical distance between any two consecutive contour is called
A series of closely spaced contour lines represents
Tilting levels are used in
An imaginary line connecting the points of equal elevation on the ground surface is
Leveling across a river is done by
The levels to which the earth work will have to be carried out is known as
Permanent adjustment are carried out to
The line of collimation should be parallel to
Height of instrument method in leveling compared to rise and fall method is
The sensitivity of bubble tube can be increased by
Correction for curvature is
In leveling, the effect of retraction is to
Correction for error due to refraction is
Correction applied for eliminating the effect of earth's curvature is
Which of the error is personal error
Cross hair in surveying telescope are fitted
The water surface of still pond represents a
The line lying through on a level surface and normal to the Plumb line is
The benchmark established by P.W.D or government agencies is known as
A fixed point with known elevation is known as
Staff point with known elevation is known as
Alidade is used for
Trough compass is used to determine is used to determine
Accurate centering of plane table is done by