Water Requirements of Crops MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Water Requirements of Crops, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Water Requirements of Crops MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Water Requirements of Crops mcq questions that explore various aspects of Water Requirements of Crops problems. Each MCQ is crafted to challenge your understanding of Water Requirements of Crops principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Water Requirements of Crops MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

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Water Requirements of Crops MCQs | Page 11 of 14

Q101.
What is the correct representation for the calculation of NIR?
Discuss
Answer: (b).CIR + leaching losses
Q102.
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%.
Discuss
Answer: (d).377.77 cm
Q103.
An outlet irrigates an area of 40 ha. The discharge required at this outlet to meet the evapotranspiration requirement of 40 mm occurring uniformly in 40 days neglecting other field losses is _________
Discuss
Answer: (a).4.52 litres / sec
Q104.
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.
Discuss
Answer: (a).16 days
Q105.
What is the correct formula for Gross irrigation requirement?
Discuss
Answer: (d).FIR/Nc
Q106.
Which formula is extensively used for estimating seasonal water requirements?
Discuss
Answer: (a).Blaney-Criddle formula
Q107.
Which method is time-consuming and expensive?
Discuss
Answer: (a).Tanks and Lysimeter
Q108.
Which of the following is not an empirical method of determining consumptive use?
Discuss
Answer: (d).Inflow-outflow method
Q109.
The evapotranspiration rate is higher in light green vegetation than in dark green vegetation.
Discuss
Answer: (b).False
Q110.
The monthly consumptive use values for paddy are 26.69, 8.76, 14.38, 22.73, 21.29, 25.50 and 15.06 for the duration of month from June to July. What is the average daily consumptive use?
Discuss
Answer: (c).7.5 mm