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( 1 ) When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is
 1) h / l
 2) h^{2} / l
 3) h^{2} / 2l
 4) h / el

Show Answer Report Discussion in forumAnswer : 3) h^{2} / 2l
Solution : When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is h^{2} / 2l
discussion
Answer : 3) h^{2} / 2l



( 2 ) The instrument used for setting out an offset at a right angle, is called
 1) open crossstaff
 2) french crossstaff
 3) adjustable crossstaff
 4) optical square

Show Answer Report Discussion in forumAnswer : 1) open crossstaff
Solution : The instrument used for setting out an offset at a right angle, is called open crossstaff
discussion
Answer : 1) open crossstaff



( 3 ) The horizon glass in an optical square is
 1) wholly silvered
 2) wholly unsilvered
 3) onefourth silvered and threefourth unsilvered
 4) half silvered and half unsilvered

Show Answer Report Discussion in forumAnswer : 4) half silvered and half unsilvered
Solution : The horizon glass in an optical square is half silvered and half unsilvered
discussion
Answer : 4) half silvered and half unsilvered



( 4 ) The true or geographical meridiams through the various stations
 1) are parallel
 2) converge to the poles
 3) converge from north pole to south pole
 4) converge from south pole to north pole

Show Answer Report Discussion in forumAnswer : 2) converge to the poles
Solution : The true or geographic meridian is a line in which the plane passing through the given point and the north and south poles intersect the surface of earth.
 The direction of a true meridian is invariable. The true meridians through the various stations are not parallel, but converge to the poles.
 However, for ordinary small surveys, they are assumed to be parallel to each other.
 The horizontal angle between the true meridian and the line is called true bearing of a line. It is also known as Azimuth.
discussion
Answer : 2) converge to the poles



( 5 ) The correction for sag is
 1) always additive
 2) always subtractive
 3) always zero
 4) sometimes additive and sometimessubtractive

Show Answer Report Discussion in forumAnswer : 2) always subtractive
Solution : When the tape sags between points of support, it takes the form of a catenary. The correction for sag Cs is always subtracted from observed distance and is given by Cs = W^{2}L/24P^{2}
discussion
Answer : 2) always subtractive



( 6 ) The lines of earth's magnetic field run from
 1) south to north
 2) north to south
 3) east to west
 4) west to east

Show Answer Report Discussion in forumAnswer : 2) north to south
Solution : The lines of earth's magnetic field run from north to south
discussion
Answer : 2) north to south



( 7 ) The image formed by the objective in the plane of cross hairs is
 1) real and straight
 2) real and inverted
 3) virtual and straight
 4) virtual and inverted

Show Answer Report Discussion in forumAnswer : 2) real and inverted
Solution : The image formed by the objective in the plane of cross hairs is real and inverted
discussion
Answer : 2) real and inverted



( 8 ) The power of a telescope to form distinguishable images of objects separated by small angular distance is called its
 1) definition
 2) brightness
 3) sensitivity
 4) resolving power

Show Answer Report Discussion in forumAnswer : 4) resolving power
Solution : The power of a telescope to form distinguishable images of objects separated by small angular distance is called its resolving power
discussion
Answer : 4) resolving power



( 9 ) An angle measured clockwise from the proceeding survey line to the following survey line is called
 1) direct angle
 2) vertical angle
 3) horizontal angle
 4) deflection angle

Show Answer Report Discussion in forumAnswer : 1) direct angle
Solution : An angle measured clockwise from the proceeding survey line to the following survey line is called direct angle
discussion
Answer : 1) direct angle



( 10 ) The projection of a traverse line on a line perpendicular to the meridian is known as
 1) latitude of the line
 2) departure of the line
 3) bearing of the line
 4) coordinate of the line

Show Answer Report Discussion in forumAnswer : 2) departure of the line
Solution : The projection of a traverse line on a line perpendicular to the meridian is known as departure of the line
discussion
Answer : 2) departure of the line
