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 4000 m 6000 m 7000 m 5000 m 4000 m 6000 m 7000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called All of these Rational horizon Celestial horizon True horizon All of these Rational horizon Celestial horizon True horizon ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Core length increases Core area increases Flux density increases Flux density decreases Core length increases Core area increases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
Surveying Sensitiveness of a level tube is designated by length of bubble of level tube radius of level tube None of these length of level tube length of bubble of level tube radius of level tube None of these length of level tube ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Copper Zinc Ebolite Brass Copper Zinc Ebolite Brass ANSWER DOWNLOAD EXAMIANS APP