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1. In a rectangular channel 8 m wide and 4 m deep having a velocity of 1 m/sec, the bed slope of the semester is 1 in 4000. The energy line is having a slope of 0.00004, find the rate of change of depth of water.

A

0.2

B

0.02

C

0.00002

D

0.0002

2. Which among the following is a scalar quantity?

A

Force

B

Weight

C

Momentum

D

Volume

3. A revised estimate is required to be prepared when the original sanctioned estimate exceeds more than:

A

2.5%

B

7.5%

C

10%

D

5%

4. How can the efficiency of skimming tank be increased considerably by 3 to 4 times?

A

By chemical precipitation

B

By passing chlorine gas along with the compressed air

C

By mean of scrapper mechanism

D

By vaccum floatation method

5. Which one of the following is a statically indeterminate structure?

A

Two hinged arches

B

Simply Supported beam

C

Three hinged arches

D

Cantilever beam

6. What do you mean by the term `Procedure`?

A

Method of performing a task

B

Enforces discipline

C

Essence of management

D

Includes the process of test and interview

7. On what does the thickness of slab primarily depend?

A

Deflection criteria

B

Shear force

C

Bending moment

D

Cracking

8. The motion of a particle is given by x = t3 – 12t + 6. Find the distance travelled and acceleration when the velocity becomes zero.

A

10m, 12m/s2

B

10m, -12m/s2

C

-10m, 12m/s2

D

-10m, -12m/s2

9. A deficit of sediments in flowing water may cause a river:

A

Sub-critical type

B

Degrading type

C

Meandering type

D

Aggrading type

10. The distance between two pegs P and Q is chained. Before reaching peg Q, the back man has used 10 chains and also, he has counted 15 links from last arrow to peg Q. If the length of chain is 20 m and length of one link is 0.2 m, the total distance between pegs P and Q is:

A

200 m

B

3 m

C

203 m

D

303 m

11. Aggregate impact test and abrasion test measure:

A

Hardness only

B

Toughness only

C

Resistance to weathering action

D

Toughness and Hardness

12. The materials used in construction of Water Bound Macadam are:

A

Coarse aggregates, screenings and binding material

B

Coarse aggregates, emulsion, cutback, screenings and binding material

C

Coarse aggregates, tar and binding material

D

Bitumen, tar and binding material

13. The expansion of Portland Pozzolana cement should NOT be more than _____ mm.

A

3

B

15

C

5

D

10

14. Find the depth of a point below the water surface in the sea where pressure intensity is 1.886 MN/m2. (The specific gravity of seawater is 1.03)

A

1.9 x109 m

B

186.65 m

C

100 m

D

286.65 m

15. In a fluid flow when two points have the same velocity, the line passing through that two points is called:

A

Line of piezometric head

B

Line of equilibrium

C

Streamlines

D

Equipotential line

16. When was the first metro system operated in Kolkata, India?

A

1987

B

1986

C

1984

D

1985

17. The size of test plates used in plate load test usually ranges from ________ mm to _____.

A

30, 75

B

75, 150

C

300, 750

D

100, 300

18. Control limits are defined as:

A

Limits driven by the natural variability of the process

B

Statistical limits

C

Limits defined by customers

D

Limits driven by the inherent variability of the process

19. A seamless pipe is to carry a fluid under a pressure of 2 N/mm2. The thickness of the cylinder is 10 mm. Calculate the diameter of the pipe if the maximum stress allowed is 100 N/mm2.

A

0.8 m

B

1.1 m

C

1 m

D

0.9 m

20. In solving three point problem by trial and error process, the fix strength is good when:

A

The station occupied by the plane table lies within the triangle formed by the three points

B

The station occupied by the plane table lies on the circle passing through the three points

C

The station occupied by the plane table lies near the circle passing through the three points

D

The angle subtended by the two lines obtained by joining the three points is very small