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.
| 51. |
Irrigation from wells is what type of irrigation system? |
| A. | Lift Irrigation |
| B. | Tank Irrigation |
| C. | Direct Irrigation |
| D. | Flow Irrigation |
| Answer» B. Tank Irrigation | |
| 52. |
In what type of irrigation system land property gets submerged? |
| A. | Combined System |
| B. | Storage Irrigation |
| C. | Perennial Irrigation |
| D. | Flow Irrigation |
| Answer» C. Perennial Irrigation | |
| 53. |
In India most irrigation schemes fall under which category of irrigation? |
| A. | River Canal Irrigation |
| B. | Tank Irrigation |
| C. | Combined System |
| D. | Lift Irrigation |
| Answer» C. Combined System | |
| 54. |
If the water losses are more, the output and the efficiency is more. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 55. |
The average value of Eₜ/Eₚ for citrus crops? |
| A. | 0.90 |
| B. | 0.7-1.10 |
| C. | 0.60 |
| D. | 0.66-1 |
| Answer» D. 0.66-1 | |
| 56. |
Who is the ‘Father of Indian Green Revolution’? |
| A. | Dr. William Gaude |
| B. | Dr. M.S Swaminathan |
| C. | Norman Borlaug |
| D. | Dr. Varghese Kurien |
| Answer» C. Norman Borlaug | |
| 57. |
On which factor does the transpiration loss also depends on? |
| A. | Available Moisture |
| B. | Type of Soil |
| C. | Type of Irrigation |
| D. | Method of Irrigation |
| Answer» B. Type of Soil | |
| 58. |
Based on loose chemical bonds, what is the name of the part of field capacity water? |
| A. | Hygroscopic Water |
| B. | Gravity Water |
| C. | Capillary Water |
| D. | Residue Water |
| Answer» B. Gravity Water | |
| 59. |
Penman’s equation can also be used to compute evaporation from a water surface like a lake if _________ |
| A. | reflection coefficient = 0.05 |
| B. | reflection coefficient > 0.05 |
| C. | reflection coefficient < 0.05 |
| D. | reflection coefficient = 0.45- 0.90 |
| Answer» B. reflection coefficient > 0.05 | |
| 60. |
Penman’s equation for the estimation of PET has been derived by using ___________ |
| A. | energy balance approach |
| B. | mass transfer approach |
| C. | combination of energy balance approach and mass transfer approach |
| D. | combination of energy balance approach and energy transfer approach |
| Answer» D. combination of energy balance approach and energy transfer approach | |
| 61. |
On what factors Actual Evapotranspiration depends? |
| A. | Climatological Factors |
| B. | Types of Crop |
| C. | Types of Soils |
| D. | Characteristics of Soil and Vegetation |
| Answer» E. | |
| 62. |
What type of irrigation system is based merely on gravitation? |
| A. | Flow Irrigation |
| B. | Direct Irrigation |
| C. | Lift Irrigation |
| D. | Storage Irrigation |
| Answer» B. Direct Irrigation | |
| 63. |
In which type of irrigation method the entire land is not wetted? |
| A. | Furrow Method |
| B. | Free Flooding |
| C. | Contour Farming |
| D. | Basin Flooding |
| Answer» B. Free Flooding | |
| 64. |
Which type of irrigation method uses supply ditch, borders, ridges? |
| A. | Border Flooding |
| B. | Check Flooding |
| C. | Basin Flooding |
| D. | Drip Irrigation Method |
| Answer» B. Check Flooding | |
| 65. |
Which type of irrigation method can be used for both flat lands and relatively steep lands? |
| A. | Free Flooding |
| B. | Basin Flooding |
| C. | Furrow Method |
| D. | Drip Irrigation Method |
| Answer» B. Basin Flooding | |
| 66. |
In which type of irrigation method wasteful use of water happens? |
| A. | Wild Flooding |
| B. | Check Flooding |
| C. | Furrow Method |
| D. | Free Flooding |
| Answer» B. Check Flooding | |
| 67. |
Crop period is approximately assumed to be the same as that of the base period. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 68. |
What is the time interval between the sowing and harvesting of crops? |
| A. | Base period |
| B. | Kor period |
| C. | Crop period |
| D. | Season period |
| Answer» D. Season period | |
| 69. |
In which method of flooding, does the water take circuitous route to irrigate the land? |
| A. | Check Flooding |
| B. | Zigzag Flooding |
| C. | Free Flooding |
| D. | Basin Flooding |
| Answer» C. Free Flooding | |
| 70. |
What is called as the percentage of C.C.A irrigated at a time in one crop season? |
| A. | Gross Command Area |
| B. | Culturable cultivated area |
| C. | Culturable uncultivated area |
| D. | Intensity of irrigation |
| Answer» E. | |
| 71. |
The useful soil moisture for plant growth is ______ |
| A. | capillary water |
| B. | gravitational water |
| C. | hydroscopic water |
| D. | permanent wilting point |
| Answer» B. gravitational water | |
| 72. |
The first watering before sowing the crop is ________ |
| A. | paleo |
| B. | kor |
| C. | delta |
| D. | flooding |
| Answer» B. kor | |
| 73. |
Superfluous water is also called _______ |
| A. | capillary water |
| B. | gravitational water |
| C. | hydroscopic water |
| D. | saturation capacity |
| Answer» C. hydroscopic water | |
| 74. |
Determine the distribution efficiency, if the depths of water in the field are 1.1 cm and 1.8 cm. |
| A. | 80% |
| B. | 90% |
| C. | 85% |
| D. | 75% |
| Answer» E. | |
| 75. |
For clayey soils, the depth of root-zone is less. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 76. |
It is said that a particular type of crop requires a depth of 6 cm of water every 24 days and the crop period is 168 days. Find the delta of the crop? |
| A. | 50 cm |
| B. | 42 cm |
| C. | 20 cm |
| D. | 95 cm |
| Answer» C. 20 cm | |
| 77. |
What is the consumptive use for a crop in the month of April having a consumptive use coefficient equal to 0.80 and pan evaporation is 35 cm? |
| A. | 28 cm |
| B. | 43.75 cm |
| C. | 35.80 cm |
| D. | 40.80 cm |
| Answer» B. 43.75 cm | |
| 78. |
On what factors Potential Evapotranspiration critically depends? |
| A. | Climatological Factors |
| B. | Types of Crop |
| C. | Types of Soils |
| D. | Vegetation |
| Answer» B. Types of Crop | |
| 79. |
In which irrigation method levees are provided along the contours? |
| A. | Check Flooding |
| B. | Free Flooding |
| C. | Contour Farming |
| D. | Basin Flooding |
| Answer» B. Free Flooding | |
| 80. |
Which method is time-consuming and expensive? |
| A. | Tanks and Lysimeter |
| B. | Vapour transfer method |
| C. | Field plot method |
| D. | Integration method |
| Answer» B. Vapour transfer method | |
| 81. |
What is the correct formula for Gross irrigation requirement? |
| A. | Cᵤ – Rₑ |
| B. | CIR + leaching losses |
| C. | NIR/Na |
| D. | FIR/Nc |
| Answer» E. | |
| 82. |
The moisture holding capacity of the soil in a 100-hectare farm is 20 cm/m. The root zone depth of the crop is 1.0 m and peak rate to moisture use is 5 mm/day. The field is to be irrigated when 40% of the available moisture in the root zone is depleted. Calculate the frequency of irrigation. |
| A. | 16 days |
| B. | 18 days |
| C. | 20 days |
| D. | 25 days |
| Answer» B. 18 days | |
| 83. |
Which of the following statement is wrong about consumptive use efficiency? |
| A. | It is the ratio of normal consumptive use of water to the net amount of water depleted from the root zone |
| B. | It accounts for the loss of water by deep percolation |
| C. | Evaporation losses are considered |
| D. | The losses due to percolation and evaporation are not considered |
| Answer» E. | |
| 84. |
Drip irrigation method is a type of lift irrigation system. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 85. |
By what type of forces the soil grains retain water on their surfaces? |
| A. | Capillary Forces |
| B. | Cohesive Forces |
| C. | Molecular Attraction and by Loose Chemical Bonds |
| D. | Compressive Forces |
| Answer» D. Compressive Forces | |
| 86. |
Kor period is less for humid climates and more for dry climates. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 87. |
What is the first step in soil preparation before sowing of seeds? |
| A. | Levelling |
| B. | Ploughing |
| C. | Manuring |
| D. | Pre-watering |
| Answer» C. Manuring | |
| 88. |
Which Indian state is Worlds first organic state? |
| A. | Punjab |
| B. | Assam |
| C. | Arunachal Pradesh |
| D. | Sikkim |
| Answer» E. | |
| 89. |
Given information is that total mass of water required for the growth of a plant is 285 kgs, and mass of the marketed crop is 19 kgs. Find the transpiration ratio? |
| A. | 12 |
| B. | 16 |
| C. | 25 |
| D. | 15 |
| Answer» E. | |
| 90. |
Which formula is extensively used for estimating seasonal water requirements? |
| A. | Blaney-Criddle formula |
| B. | Hargreaves pan evaporation method |
| C. | Penman’s equation |
| D. | Christiansen formula |
| Answer» B. Hargreaves pan evaporation method | |
| 91. |
Which method involves the use of crop factor? |
| A. | Penman’s equation |
| B. | Hargreaves method |
| C. | Blaney-Criddle Formula |
| D. | Tanks and Lysimeter |
| Answer» D. Tanks and Lysimeter | |
| 92. |
The area in which inferior crops can be grown without irrigation is called semi-arid region. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 93. |
Field capacity is different from gravity water. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 94. |
With what type of mounting does a sprinkler irrigation network give the best results? |
| A. | Revolving Sprinkler Heads |
| B. | Nozzles |
| C. | Open Pipes |
| D. | Pipes with holes near the crop |
| Answer» B. Nozzles | |
| 95. |
Capillary water is available to plants and hygroscopic water is not. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 96. |
Which type of method is adopted for research studies on crops? |
| A. | Phytometer Method |
| B. | Lysimeter Method |
| C. | Furrow Irrigation Method |
| D. | Drip Irrigation Method |
| Answer» C. Furrow Irrigation Method | |
| 97. |
The evapotranspiration rate is higher in light green vegetation than in dark green vegetation. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 98. |
What is the quality of a good irrigation method from the following? |
| A. | Soil Erosion |
| B. | Drainage Troubles |
| C. | Leached Fertilizers |
| D. | Increased Yield |
| Answer» E. | |
| 99. |
Which state leads to the consumption of fertilizers? |
| A. | Haryana |
| B. | Punjab |
| C. | Andhra Pradesh |
| D. | UP |
| Answer» B. Punjab | |
| 100. |
What is the correct expression of parameter Eₐ in Penman’s equation? |
| A. | Ea = 0.35 (1 + V2/160) (es – ea) |
| B. | Ea = 0.35 (1 + V2/160) (es + ea) |
| C. | Ea = 0.35 (1 – V2/160) (es – ea) |
| D. | Ea = 0.35 (1 – V2/160) (es + ea) |
| Answer» B. Ea = 0.35 (1 + V2/160) (es + ea) | |