13 NOVEMBER 2021 CURRENT AFFAIRS QUIZ

The sum of the three angles of a plane triangle should be 180°

The sum of the angles around a station should be 360°

All listed here

The sum of the eight angles of a braced quadrilateral should be 360°

Visible horizon

Celestial horizon

True horizon

Sensible horizon

1/d

d2

1/d2

d

450 mm × 600 mm

300 mm × 450 mm

750 mm × 900 mm

600 mm × 750 mm

vertical circle is to its right and the bubble of the telescope is up

vertical circle is to its left and the bubble of the telescope is down

vertical circle is to its left and the bubble of the telescope is up

vertical circle is to its right and the bubble of the telescope is down

To plot the offsets

To indicate the accuracy of the survey work

To plot the chain lines

To increase the out-turn

All listed here

Increases as the ground elevation increases

Increases as the horizontal distance increases from the principal point

Decreases as the flying height increases

The length of the air base is increased

The scale of the model is altered

All listed here

y-parallax is not affected

50 km

30 km

25 km

10 km

1 minute of longitude

1 minute of latitude

1 degree of latitude

1 degree of longitude