Geotutorial e-learning platform - for Geographical Studies

Draw two plain scales with identical numerical values of primary and secondary divisions in two different measurement units.

A plumb bob is used for __

The accessories of a plane table are-

The alidade may be fitted with sight vanes at both ends or fitted with a telescope as well , it used for -

Height of Ranging Rod -

Normally the length of a rod is 2 m with ____ equal divisions which are alternately coloured in black and white.

Ranging Rod, These are rods of circular or octagonal cross- sections, made of well seasoned wood or light steel._____

Pin , these are made of good quality hardened and tempered steel wire ___ which are black enamelled.

The staff is normally 75 mm wide, 18 mm thick and __long . It can be folded or may have sop with telescopic arrangements.

Select correct statement regarding Chain Survey -

The ends of the chain are provided with brass handles with swivel joints , Why ?

For Chain Survey, a chain is composed of 100 or 150 pieces of galvanised mild steel wire (4 mm in diameter) called ___.

It is the line passing through the intersection of the cross hairs to the optical centre of the object glass of the telescope.

It refers to any arbitrarily assumed level surface or line from which vertical distances or elevations are measured -

It is a fixed reference point of known elevation above mean sea level (MSL) established during the Great Triangulation Survey (GTS) -

The precise measurement of a reference line, called the __

1. The shortest connection between two points on the sphere is part of a great circle. 2. In Gnomonic projection, the orthodrome is a straight line 3. The loxodrome is a curve but in Mercator projection Select correct one

The parallel(s), along which a projection plane or a developable surface touch(es) or intersect(s) the generating globe, are called ____

Which one is True Shape or Conformal Projection?

RSF ( Radial Scale Factor) = Tangential Scale Factor ( TSF) , addressing which category of Map projection ?