If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is 100.345 m 99.345 m 100.655 m 101.870 m TRUE ANSWER : ? YOUR ANSWER : ?
The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/(H - h) f/H (H - h)/f f/(H + h) TRUE ANSWER : ? YOUR ANSWER : ?
The size of a plane table is 450 mm × 600 mm 600 mm × 750 mm 750 mm × 900 mm 300 mm × 450 mm TRUE ANSWER : ? YOUR ANSWER : ?
The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f/H f/H sec θ f/H cos ½θ f sec θ/H TRUE ANSWER : ? YOUR ANSWER : ?
Sidereal day Is divided into the conventional hours, minutes and seconds Is slightly shorter than an ordinary solar day Is the period of time taken by the earth in making a complete rotation with reference to stars All listed here TRUE ANSWER : ? YOUR ANSWER : ?
The sensitivity of a bubble tube can be increased by increasing the diameter of the tube decreasing the radius of curvature of tube increasing the viscosity of liquid decreasing the length of bubble TRUE ANSWER : ? YOUR ANSWER : ?
The cross hairs in the surveying telescope are placed much closer to the objective lens than to the eye piece much closer to the eye-piece than to the objective lens anywhere between eye-piece and objective lens midway between eye piece and objec-tive lens TRUE ANSWER : ? YOUR ANSWER : ?
A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is Δ/2 Δ/6 Δ/3 Δ/4 TRUE ANSWER : ? YOUR ANSWER : ?
The position of the sun when its north declination is maximum is known as Winter solstice Vernal equinox Summer solstice Autumnal equinox TRUE ANSWER : ? YOUR ANSWER : ?
The angle between the direction of star and the direction of earth's axis of rotation is called Co-declination Latitude Co-latitude Declination TRUE ANSWER : ? YOUR ANSWER : ?