SURVEYING QUIZ

If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about

25 km

30 km

10 km

50 km

TRUE ANSWER : ?
YOUR ANSWER : ?

The zenith is the point on the celestial sphere

East of observer

North of observer

West of observer

South of observer

TRUE ANSWER : ?
YOUR ANSWER : ?

The correction for sag is

always zero

always additive

always subtractive

sometimes additive and sometimes subtractive

TRUE ANSWER : ?
YOUR ANSWER : ?

Sensitiveness of a level tube is designated by

radius of level tube

None of these

length of bubble of level tube

length of level tube

TRUE ANSWER : ?
YOUR ANSWER : ?

If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is

13° E

13° W

77° N

23° S

TRUE ANSWER : ?
YOUR ANSWER : ?

If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is

δ - θ

θ + δ

(θ + δ)/2

θ - δ

TRUE ANSWER : ?
YOUR ANSWER : ?

On vertical photographs, height displacement is

Positive for points above datum

Negative for points below datum

All listed here

Zero for points vertically below the air station

TRUE ANSWER : ?
YOUR ANSWER : ?

The suitable contour interval for a map with scale 1 : 10000 is

2 m

10 m

20 m

5 m

TRUE ANSWER : ?
YOUR ANSWER : ?

Benchmark is established by

barometric levelling

hypsometry

spirit levelling

trigonometrical levelling

TRUE ANSWER : ?
YOUR ANSWER : ?

At eastern elongation, the pole star moves

Westward

Southward

Eastward

Northward

TRUE ANSWER : ?
YOUR ANSWER : ?

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