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Which of the following is the incorrect statement? i. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal. ii. A canal escape helps in supplying irrigation water to the downstream watercourses. iii. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining.

Correct Answer: i, ii, and iii
Canal escape helps in removing surplus water from an irrigation canal into a natural drain. The cattle crossing are not of much use on canals carrying considerable water depths and for the ones who don’t know swimming. Bed bars help in desilting the canal section during its maintenance and indicate the correct alignment and bed levels of the canal.

Choose the incorrect statement. i. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining. ii. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal. iii. A canal escape helps in supplying irrigation water to the downstream watercourses.

In a scissors cross-over, the crossings provided are
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is

Bed bars are used _______________ i. To serve as permanent reference marks ii. To correct alignment and theoretical bed levels of the canal iii. Helps in desilting the canal section during its maintenance Which of the following function of bed bars is/ are correct?

If one plots the tank irrigation in India and superimposes it with map of well irrigation,one may find that the two are negatively related. Which of the following statements explain the phenomenon?1. Tank irrigation predates well irrigation.2. Tank irrigation is in the areas with impervioussurface layers.3. Well irrigation requires sufficientground water reserves.4. Other forms of irrigation are not available.Select the correct answer using the code given below.

A man can cross a downstream river by steamer in 40 minutes and same by boat in 1 hour. If the time of crossing Upstream by streamer is 50% more than downstream time by steamer and the time required by boat to cross same river by boat in upstream is 50% more than time required by in downstream. What is the time taken for the man to cross the river downstream by steamer and then return to same place by boat half the way and by steamer the rest of the way?

Connie has a number of gold bars, all of different weights. She gives the 24 lightest bars, which weigh 45% of the total weight, to Brennan. She gives the 13 heaviest bars, which weigh 26% of the total weight, to Maya. She gives the rest of the bars to Blair. How many bars did Blair receive?

Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : In spite of less than normal rainfall in the catchment areas during the first two months of monsoon of the lakes supplying water to the city the authority has not yet affected any cut in the water supply to the city.

Assumptions :
I. The rainfall during the remaining part of the monsoon may be adequate for normal water supply.
II. The present water level of the lakes supplying water to the city may be adequate for normal supply.

Which of these statements are correct?
1. Ocean currents are the slow- surface movement of water in the ocean.
2. Ocean currents assist in maintaining the Earth's heat balance.
3. Ocean currents are set in motion primarily by prevailing winds.
4. Ocean currents are affected by the configuration of the ocean.

The transplantation of rice takes 18 days and the total depth of water required by the crop is 60 cm on the field. During this transplantation period, rain starts falling and about 10 cm of rain is being utilized to fulfill the rice demand. Find the duty of irrigation water required for rice assuming 25% losses of water in watercourses.

The following map is showing the location of lift canals of IGNP in Rajasthan as (i), (ii)m (iii) and (iv). Identify and answer the correct sequences as given below the map:
Rajasthan mcq question image