Challenger App

No.1 PSC Learning App

1M+ Downloads
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
In plane table survey the method used for plotting of inaccessible points is
The method used for establishing instrument station for plane table survey is
Local attraction of compass survey is due to
A bearing is noted 45° N-E represents
Prismatic compass is used to determine
The whole circle bearing of a place is 259° then the quadrantal bearing should be
The graduations in a prismatic compass starts with a zero at ------- end
An instrument used for setting out an angle of 45 degree is
The difference between fore bearing and back bearing of a line is not 180 degree it is due to
The graduated ring of a prismatic compass is graduated in
The needle of magnetic compass is generally supported on a
If 'n' is the number of sides, the sum of interior angles of a closed traverse is
The optimum depth of kor watering is 19 cm for
The least count of prismatic compass is
The direction of a line relative to a given meridian is called
In prismatic compass zero is marked at
The main different between a map and a plan is
In a tape, the correction for temperature is C,= a(Tm-Ts)*L, where Tm stands for
An instrument which is used for survey for measuring of angles is
Miscounting of the chain length is a
Use of Planimeter is
Angle of repose
Transverse Contraction / Longitudinal Extension
The process of softening steel by heating it to a suitable temperature and the cooling slowly is known as
The property of solid where by it will sustain shock load without permanent deformation is called
Ideal R.F for site plan is
Length of curve is equal to
In a simple curve the sum of l and Φis equal to
If Contour lines touch each other at a particular zone, it indicates a:
In Chain Survey proof line is
Fluids include
This theorem proves that the energy head at any section in a flowing stream will be same