59.

60.

6.

62,

68.

64.

68.

66.

67.

The total area which can be irrigated by a canal system is called :
(ಹ) gross command area (3) cultural command area

{C) cultural cultivated ೩7೧೩ യ) cultural uncultivated area

The method of irrigation in which water is applied in the form of a spray as in ordination
rain :

வி furrow irrigation {B) sprinkler irrigation

(0 subsurface irrigation {D) none of the above

The small reservoir used for water supply in a city :
{A) Distribution reservoir (3) Storage reservoir

{C) Flood control reservoir (2) Multipurpose reservoir

The difference of water level in the head race and in the tail race in a hydroelectric project is
known as :

(ಹ) Net head {B) Operating head
{C) Gross head (2) None of these

It is provided to reduce the water hammer pressure formed in the penstock in hydroelectric
project :

வ Turbine (8) Surge tank
{C) Forebay (D) Intake

It is a canal generally carries water directly from the river :
{A) Main canal {B) Branch canal
{C) Major distributary (D) Minor distributary

It is a structure in which the canal flows over the drainage :
(¢) Aqueduct (2) Super passage
{C) Canal syphon യ) Level crossing

Which dams are made of locally available soils and gravels?
{A) Earthen dam {B) Rock fill dam
)0 Gravitydam மு) Rigid dam

A fluid having no viscosity is known as :
(ಉ வரியும்‌ (8) Idealfluid
{C) Newtonian fluid യ) Non newtonian fluid

72/2019 10 A