agriculture MCQs – Page 196

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

3901. A line shown on a contour map, set out on ground between certain constant points of slope is called___________________?
comments icon0

A. Contour line

B. Counter interval

C. Contour gradient

D. Gradient

3902. An aquifer in which water contained under high pressure as the aquifer is sand witched between two impervious layer is called___________________?
comments icon0
A. Confined aquifer

B. All are correct

C. No-Artesian aquifer

D. Un-confined aquifer

3903. The ideal crop for wastewater or sewage irrigation is _______________________?
comments icon0

A. Dates

B. Mango

C. Banana

D. Orange

3904. A flow of water for a certain discharge when total energy of flow i.e. sum of potential, kinetic and pressure energies is minimum is called_______________________?
comments icon0

A. Normal flow

B. Sub-critical flow

C. Critical flow

D. Shooting flow

3905. Piezometer tube is open to both ends mostly used to measure ____________________?
comments icon0

A. absolute pressure

B. Vacuum pressure

C. Atmospheric pressure

D. gauge pressure
3906. Volume of water that unit volume of aquifer will give up by gravity pull is called ____________________?
comments icon0

A. Specific volume

B. All are correct

C. Specific yield

D. Specific retention

3907. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
comments icon0

A. Turbulent flow

B. Laminar flow

C. Circular flow

D. Rotational flow
3908. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?
comments icon0

A. Soil stabilization

B. Densification

C. All are correct

D. Compaction

3909. The permissible limit of hardness of water fore low pressure boiler is _____________________?
comments icon0

A. 60 mg/litre

B. 50 mg/litre

C. 40 mg/litre

D. 30 mg/litre

3910. The angle between a head regulator and entrance of water, for smooth entry of water in a canal is kept as _________________?
comments icon0

A. 100

B. 120

C. 110

D. 90

3911. __________% of total global water is saline and available in oceans ?
comments icon0
A. 97.5%

B. 96%

C. 95%

D. 97%

3912. The forces coming over the gravity dam is mainly resisted by ___________________?
comments icon0

A. Water pressure

B. Uplift pressure

C. Self weight of the dam

D. All the above

3913. A closed conduct or barrel used used for supplying water under high pressure to a turbine to generate electricity is called __________________?
comments icon0

A. Syphon

B. Chute

C. Penstock

D. A tunnel

3914. Permissible velocity of water flowing through concrete lined tunnel is usually __________________?
comments icon0

A. 3 4m/sec

B. 5 6m/sec

C. 4 5m/sec

D. 6 7m/sec

3915. When reservoir is full on upstream side, the maximum stress comes upon__________________?
comments icon0
A. Bottom of dam

B. All are correct

C. Face of dam

D. Top of dam

3916. in most economical Trapezoidal section, half of the Top width is equal to _________________?
comments icon0

A. Bottom width of channel

B. Depth of channel

C. None of these

D. Sloping side of channel
3917. The law which states that the intensity of pressure at any point in a liquid at rest is same in all directions_________________?
comments icon0

A. Archimeds law

B. Pascals law

C. None

D. Darcys law

3918. A channel artificially constructed for water conveyance of appreciable quantities with no problem of silting and scouring is called ____________________?
comments icon0

A. Alluvial canal

B. A and B are correct

C. A regime canal

D. Stable canal

3919. The resultant pressure of water on the face of dam is equal to ____________________ ?
comments icon0

A. 1/2 WH

B. 1/2 WH2

C. All are correct

D. WH

3920. A dam which the up lift pressure of the sub-soil water by its own weight is called _________________?
comments icon0

A. Concrete dam

B. Buttress dam

C. Gravity dam

D. Arch dam