Surveying The principal line is the line joining the principal point and Nadir Perspective centre Isocenter None of these Nadir Perspective centre Isocenter None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Limiting gradient for locating the base line on evenly-sloping ground, is 1 in 6 1 in 12 1 in 10 1 in 8 1 in 6 1 in 12 1 in 10 1 in 8 ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum tolerance in a 20 m chain is ±2 mm ±3 mm ±5 mm ±8 mm ±2 mm ±3 mm ±5 mm ±8 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by straightening the links removing one or more small circular rings All of these closing the joints of the rings if opened out straightening the links removing one or more small circular rings All of these closing the joints of the rings if opened out ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not the function of levelling head ? to provide a means for leveling the theodolite to support the main part of the instrument None of these to attach the theodolite to the tripod to provide a means for leveling the theodolite to support the main part of the instrument None of these to attach the theodolite to the tripod ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Zero for points vertically below the air station Negative for points below datum Positive for points above datum All listed here Zero for points vertically below the air station Negative for points below datum Positive for points above datum All listed here ANSWER DOWNLOAD EXAMIANS APP