Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is 50° 70° 80° 60° 50° 70° 80° 60° ANSWER DOWNLOAD EXAMIANS APP
Surveying A series of closely spaced contour lines represents a plane surface gentle slope uniform slope steep slope plane surface gentle slope uniform slope steep slope ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Four times Twice Thrice Once Four times Twice Thrice Once ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is only (iii) both (ii) and (iii) both (i) and (iv) only (i) only (iii) both (ii) and (iii) both (i) and (iv) only (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying In the prismatic compass the magnetic needle moves with the box the line of the sight does not move with the box the magnetic needle and graduated circle do not move with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the magnetic needle moves with the box the line of the sight does not move with the box the magnetic needle and graduated circle do not move with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction ANSWER DOWNLOAD EXAMIANS APP
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