# SSC JE Civil Preliminary Exam in January 2018 | Practice test Day – 61

###### Wish you all the best!!!
Name
Email
1.

Pick up the correct sequence of the part of a canal system from the following

2.

In a syphon aqueduct

3.

For standing crops in undulating sandy fields, the best method of irrigation, is

4.

The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than

5.

If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle θ with horizontal, the hydraulic mean depth is

6.

The field capacity of a soil depends upon

7.

According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is

8.

Garnett's diagrams are used for graphical solution of design equations of a canal by

9.

Cross regulators in main canals are provided

10.

In a concrete canal the approximate permissible velocity of water should not exceed

11.

An outlet is said to be proportional if its flexibility,

12.

The ratio of the rate of change of discharge of an outlet and parent channel, is known as

13.

The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is

14.

The most suitable section of a lined canal, is

15.

While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3

16.

Lane's weighted creep theory assumes

17.

Effective precipitation for a crop may be defined as

18.

A current meter measures the velocity of flow, if it is held

19.

The ratio of the head recovered to the head put in, is known as

20.

If water table is comparatively high, the irrigation canal becomes useless, due to

21.

The uplift pressure on the roof of an inverted syphon, is maximum when

22.

The level of the fioor of a syphon aqueduct can be obtained

23.

Lacey's equation for calculating flood discharge in rivers, is

24.

If average particle size of the silt in millimetres is m, the Lacey's silt factor f is proportional to

25.

The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as

26.

For cereal crops the most commonly adopted method of irrigation, is

27.

To hold hydraulic jumps, baffle walls are provided in

28.

In rigid module, the discharge

29.

A land is said to be water-logged if its soil pores within

30.

For diversion of flood water of rivers, the type of canal constructed, is

31.

The water face of the guide banks, is protected by

32.

A counter berm is

### Best Civil Engineering Ebook Pdf

Total MCQs :15000
Total Pages :2279
Total Size :37 Mb