Limnology is the science which deals with

Evaporation through plants and the surrounding soil together is called

Infiltration capacity of the soil is defined as

The continuity equation represents conservation of

The volume of water stored between minimum pool level and normal pool level is

A cross-drainage work carrying canal over the drainage is known as

The ratio of rate of change of discharge of an outlet to the rate of change of discharge of its parent Chanel is called

If D is central depth of a triangular channel,the hydraulic mean radius is given by

In the case of steep topography, the best method of irrigation is

The consumptive use of water for a standing crop is equal to

The contour line can cross one another only in the case of:

The vertical distance between any two consecutive contours is called

The line joining the points having the same elevation above datum surfaces called a

The collimation method for obtaining the reduced level of points does not provide check on

A staff reading taken on a bench mark is called:

A fixed point of reference of known elevation is called

A surface which is normal to the direction of gravity at all points, as indicate by a plumb line, is known as

A levelling station is a place where

The very first reading taken is called

In plane tabling the centering can be done by

The method of surveying in which field work and plotting work are done simultaneously is called

The method of plane tabling commonly used for establishing the instrument stations only is

The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground, is called

In plane tabling, the instrument used to measure horizontal and vertical distance directly is known as

Radiation in plane table survey is the best suited when

An advantage of plane tabling's

Intersection is preferred to radiation when

The technique of plotting all the accessible stations with a single set up of plane table is called

When the angular measurements are more precise than measurements in a traverse, the balancing of traverse is

When the angular and linear measurement sare equally traversing the balancing is done by

The latitude and departure of a traverse line are both the whole circle bearing of the line lies in the

An axis about which the telescope can be rotated in a plane is called

The Reduced bearing may have any value of between

In order to measure a horizontal angle more accurately than a vernier, a method

The deflection angle may have any value between

Deflection angle in a traverse is equal to the

An angle between the inclined line of sight and the horizontal is called

The direct angles may have any value between

The capacity of a telescope of producing a sharp image is called its

When the cross hairs are not clearly visible

The most commonly used set of theodolite operations are

The image formed by the objective in the plane of cross hairs is

A line Joining the optical centre of the object glass and the Centre of the eyepiece is known as

The least count of theodolite in measuring angle is

The process of turning the telescope of a theodolite Over the supporting axis through 180° in a vertical plane is called

The theodolite is an instrument used for measuring very accurately

The amount of correction due to local attraction at a place is

The variation of magnetic declination within a day is called

The maximum value of a surveyor's compass is

Isogonic lines are the lines having the same