MCQOPTIONS
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MCQOPTIONS
This section includes 138 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
What kind of irrigation method uses artificial rain to irrigate the land? |
| A. | Sprinkler Irrigation Method |
| B. | Drip Irrigation Method |
| C. | Furrow Method |
| D. | Border Irrigation Method |
| Answer» B. Drip Irrigation Method | |
| 102. |
What is the time interval between two consecutive watering called? |
| A. | Crop Period |
| B. | Period |
| C. | Base Period |
| D. | Rotation Period |
| Answer» E. | |
| 103. |
Which type of period is slightly more than its counterpart period? |
| A. | Crop Period |
| B. | Period |
| C. | Base Period |
| D. | Rotation Period |
| Answer» B. Period | |
| 104. |
Duty of water helps in the work out of discharge required for designing the channel. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 105. |
What is total depth of water, for complete growth of crop called? |
| A. | Triangle |
| B. | Delta |
| C. | Duty of Water |
| D. | Rotation Period |
| Answer» C. Duty of Water | |
| 106. |
In what type of area crop is not sown for a particular season? |
| A. | Gross Commanded Area (G.C.A) |
| B. | Culturable Commanded Area (C.C.A) |
| C. | Culturable Cultivated Area |
| D. | Culturable Uncultivated Area |
| Answer» E. | |
| 107. |
Which type of area is large in quantity compared to others? |
| A. | Gross Commanded Area (G.C.A) |
| B. | Culturable Commanded Area (C.C.A) |
| C. | Culturable Cultivated Area |
| D. | Culturable Uncultivated Area |
| Answer» B. Culturable Commanded Area (C.C.A) | |
| 108. |
Which type of units is used to define high and low duty? |
| A. | Hectare-meters |
| B. | Hectares/cumec |
| C. | Meters |
| D. | Centimeters |
| Answer» C. Meters | |
| 109. |
Flow irrigation system has lower duty than lift irrigation system. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 110. |
Which one the following combination is incorrect? |
| A. | Kharif crops – Rice, maize |
| B. | Rabi crops – Wheat, mustard |
| C. | Zaid crops – cotton, sugarcane |
| D. | Cash crops – jute, tobacco |
| Answer» D. Cash crops – jute, tobacco | |
| 111. |
What is the crop ratio of Kharif to rabi crops? |
| A. | 1:2 |
| B. | 1:4 |
| C. | 1:3 |
| D. | 2:1 |
| Answer» B. 1:4 | |
| 112. |
Uniformity coefficient is also known as ____________ |
| A. | water conveyance efficiency |
| B. | consumptive use efficiency |
| C. | water distribution efficiency |
| D. | water storage efficiency |
| Answer» D. water storage efficiency | |
| 113. |
Determine the Gross irrigation requirement for an irrigation system if consumptive use of crop is 200 cm in terms of depth and the rainfall excess is 30 cm. assume water application efficiency = 50% and conveyance efficiency = 90%. |
| A. | 370 cm |
| B. | 380.79 cm |
| C. | 355.56 cm |
| D. | 377.77 cm |
| Answer» E. | |
| 114. |
Diversion scheme, comes under which type of irrigation system? |
| A. | Direct Irrigation |
| B. | Storage Irrigation |
| C. | Flow Irrigation |
| D. | Inundation Irrigation |
| Answer» B. Storage Irrigation | |
| 115. |
The optimum utilisation of irrigation water means _________ |
| A. | Getting maximum yield with the maximum amount of water available |
| B. | Getting maximum yield with any amount of water |
| C. | Getting less yield with maximum water content |
| D. | Getting less yield with the least water content |
| Answer» C. Getting less yield with maximum water content | |
| 116. |
What is the correct formula for uniformity coefficient efficiency? |
| A. | Nd = 1 – d/D |
| B. | Nd = 1 + d/D |
| C. | Nd = 1 – D/d |
| D. | Nd = 1 + D/d |
| Answer» B. Nd = 1 + d/D | |
| 117. |
What is water conveyance efficiency? |
| A. | The ratio of the quantity of water delivered to the field and quantity of water pumped into the canal |
| B. | The ratio of water stored in the root zone and the water delivered to the field |
| C. | The ratio of water used beneficially and the water delivered to the field |
| D. | The ratio of water stored in the root zone and the water needed before irrigation |
| Answer» B. The ratio of water stored in the root zone and the water delivered to the field | |
| 118. |
Given that, a particular irrigation field has C.C.A as 200 hectares, out which 150 hectares of land is cultivated for rabi season and 100 hectares of land is cultivated for kharif season. What is the intensity of irrigation for each season? |
| A. | 50%, 100% |
| B. | 120%, 60% |
| C. | 75%, 50% |
| D. | 150%, 75% |
| Answer» D. 150%, 75% | |
| 119. |
What is the process of a plant called, through which it leaves water? |
| A. | Photosynthesis |
| B. | Transpiration |
| C. | Evapotranspiration |
| D. | Chlorosis |
| Answer» C. Evapotranspiration | |
| 120. |
In which of the following types of irrigation water is supplied to the crops throughout their crop period? |
| A. | Perennial Irrigation |
| B. | Flood Irrigation |
| C. | Direct Irrigation |
| D. | Storage Irrigation |
| Answer» B. Flood Irrigation | |
| 121. |
Furrows of 150 m long and 2 m apart, have longitudinal slope of 0.5 percent are initially irrigated by non-erosive stream for 100 minutes. The stream size is reduced to 50% and continued for another 40 minutes. Determine the average depth of irrigation. |
| A. | 50.34 mm |
| B. | 43.56 mm |
| C. | 47.58 mm |
| D. | 43.84 mm |
| Answer» E. | |
| 122. |
In which of the following types of irrigation systems hydroelectric power can be generated? |
| A. | Storage Irrigation |
| B. | Perennial Irrigation |
| C. | Flood Irrigation |
| D. | Lift Irrigation |
| Answer» B. Perennial Irrigation | |
| 123. |
What is the other name for Flood Irrigation? |
| A. | Flow Irrigation |
| B. | Lift Irrigation |
| C. | Surface Irrigation |
| D. | Uncontrolled irrigation |
| Answer» E. | |
| 124. |
What type of irrigation system needs mechanical means to supply water for irrigation? |
| A. | Combined System |
| B. | Storage Irrigation |
| C. | Lift Irrigation |
| D. | Perennial Irrigation |
| Answer» D. Perennial Irrigation | |
| 125. |
What type of irrigation scheme uses pick-up weir? |
| A. | Combined System |
| B. | Storage Irrigation |
| C. | Direct Irrigation |
| D. | Perennial Irrigation |
| Answer» B. Storage Irrigation | |
| 126. |
What is the name of duty called as in direct irrigation? |
| A. | Flow Duty |
| B. | Quantity Duty |
| C. | Duty |
| D. | Delta |
| Answer» B. Quantity Duty | |
| 127. |
The pan evaporation can also be determined by Christiansen formula. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 128. |
Based on surface tension, what is the name of the part of field capacity water? |
| A. | Hygroscopic Water |
| B. | Gravity Water |
| C. | Capillary Water |
| D. | Residue Water |
| Answer» D. Residue Water | |
| 129. |
What type of irrigation method is considered as the most advantageous method? |
| A. | Drip Irrigation Method |
| B. | Sprinkler Irrigation Method |
| C. | Furrow Irrigation Method |
| D. | Border flooding |
| Answer» C. Furrow Irrigation Method | |
| 130. |
Which type of moisture acts as a bridge between soil moisture content and field capacity? |
| A. | Equivalent Moisture |
| B. | Soil Moisture Deficiency |
| C. | Available Moisture |
| D. | Readily Available Moisture |
| Answer» C. Available Moisture | |
| 131. |
Which type of moisture is slightly less or most equal to field capacity? |
| A. | Equivalent Moisture |
| B. | Soil Moisture Deficiency |
| C. | Available Moisture |
| D. | Readily Available Moisture |
| Answer» B. Soil Moisture Deficiency | |
| 132. |
By what percentage of available moisture is easily extracted by plants? |
| A. | 80 to 90% |
| B. | 75 to 80% |
| C. | 70 to 80% |
| D. | 65 to 70% |
| Answer» C. 70 to 80% | |
| 133. |
What is the name of actual available water to the plants? |
| A. | Available Moisture |
| B. | Moisture |
| C. | Capillary Water |
| D. | Hygroscopic Water |
| Answer» B. Moisture | |
| 134. |
Up to which point plants can extract water? |
| A. | Saturation Point |
| B. | Permanent Wilting Point |
| C. | Hydration Point |
| D. | Dissolution Point |
| Answer» C. Hydration Point | |
| 135. |
What type of irrigation does this diagram represent? |
| A. | Border Flooding |
| B. | Basin Flooding |
| C. | Drip Irrigation Method |
| D. | Check Flooding |
| Answer» C. Drip Irrigation Method | |
| 136. |
The following data gives the value of consumptive uses and effective rainfalls for the periods shown against them for a Jowar crop. Determine NIR of this crop neglecting other losses. |
| A. | 41.60 cm |
| B. | 41.60 mm |
| C. | 44 cm |
| D. | 44 mm |
| Answer» B. 41.60 mm | |
| 137. |
The graph below shows the variation of _________ |
| A. | Yield v/s Water depth |
| B. | Yield v/s Field capacity |
| C. | Water depth v/s Yield |
| D. | Yield v/s Optimum water depth |
| Answer» B. Yield v/s Field capacity | |
| 138. |
What type of irrigation method does this diagram represent? |
| A. | Contour Farming |
| B. | Furrow Method |
| C. | Border Flooding |
| D. | Free Flooding |
| Answer» B. Furrow Method | |