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BARC CE: Full Syllabus Test-2

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Question 1

The average normal rainfall of 5 rain Gauge in the basin stations are 90, 55, 45, 60, 40 cm. It the error in the instrument of rainfall should not exceed 9%. How many minimum number of self recording type raingauge are needed.

Question 2

Two irrigation channel A and B are designed using Lacey’s theory. If the medium dia of silt particles are the same for both the channels and if discharge in channel A is 60% less than at B,then between these two channels

Question 3

A masonry dam 8m high, 1.5m wide at the top and 5m wide at the base retain water to a depth of 7.5m, the water for of the dam being vertical. If the unit wt. of water is 9.81 kN/m3& of masonry is 22 kN/m3, the maximum intensity of stress developed at the base will be.

Question 4

Calculate the normal depth of flow for a trapezoidal channel of side slope 1H: 1V with a bottom width of 1m, longitudinal slope of 1 in 1600 and carrying a discharge of 2m3/s. Assume Manning’s n to be 0.016.

Question 5

If  are surface tension at liquid and gas interface, gas and solid interface, liquid and solid interface. A drop of liquid falls on solid surface If  then value of  will be? (Assume no spreading of drop of liquid)


Question 6

For a circular pipe carrying laminar flow, (water, μ = 10–3 Pa.s) the velocity distribution is given as

u = 2.5 – 250r2

Where, r is the radial distance. What will be the diameter of the pipe (in cm)?

Question 7

For the weightless stepped bar shown below:

Under the action of the axial forces shown the displacement of point B is given by_______.

Question 8

A bar of varying square cross-section is loaded symmetrically as shown in the figure. Loads are placed on one of the axes of symmetry. Ignoring self weight, the maximum tensile stress and maximum compressive stress (in N/mm2) respectively are
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Question 9

A uniform cantilever beam has a span of 2m and carries a point load of 6kN at the free end. The magnitude of the moment to be applied at the free end for zero vertical deflection at that point is (neglect self-wt. of the beam).

Question 10

The particular integral of is

Question 11

The rank of the following matrix is

Question 12

In the network given below the critical path of the project will be

Question 13

Which of the following statements are true?
1) Indirect costs are not dependent on individual activities.
2) Expenditure for maintenance are the overhead costs.
3) Indirect costs always increases with time.
4) The overhead costs vary linearly with time.

Question 14

The following table contains data on four activities, A, B, C and D

The maximum total resource load in any week will be

Question 15

Which of the following stations are free from theeffect of local attraction?

Question 16

Two ships A and B are moving in a line towards a lighthouse. Observer standing at top of ship B can see the observer standing at top of A and observer standing at top of ship A can see the bottom of light house. If the height of observer above the sea level is 9 m and height of light house is 65 m then calculate the height of light house visible to the observer standing at top of ship B

Question 17

The tacheometric additive and multiplying constants are 0.6 and 100 m respectively. What is the horizontal distance between staff and instrument if stadia readings are as follows:

First top hair = 2.926m

Second hair = 3.478m

Third hair = 4.03m

Question 18

A valley curve is formed by a descending grade of 1 in 20 meeting an ascending grade of 1 in 30. What is the length of valley curve (in m) to fulfill comfort condition for a design speed of 85 kmph?
[Assume allowable rate of change of centrifugal acceleration, C = 0.65 m/sec3]

Question 19

If the normal flows on two approach roads at an intersection are respectively 400 PCU per hr and 200 PCU per hr, the saturation flows are 2000 PCU per hr on each road and the total lost time per signal cycle is 14 s, then the optimum cycle time (in sec) by Webster’s method is

Question 20

A marshall specimen is prepared for bitumen concrete with a bitumen content of 5 percent by weight of total mix. The theoretical and measured unit weights of the mix and 2.442 g/cm3 and 2.345 g/cm2 respectively. The bitumen has specific gravity of 1.02. The percent voids in mineral aggregate filled with bitumen (VFB) are

Question 21

A reinforced concrete beam of size b = 400 mm, D = 800 mm, effective cover 50 mm has to be designed for M = 200 kN-m (working moment) using M20 grade of concrete and Fe415 steel. Then the area of steel required will be?

Question 22

A post tensioned beam of 10 m span is prestressed with a parabolic tendon of 8m length. While transferring the prestress there was on anchorage slip of 8mm. The loss of stress in the cable due to anchorage slip is     MPa

(Consider E = 2× 105 MPa for the tendon)

Question 23

A rectangular RC beam of concrete grade M20 is 300 mm wide and 550 mm deep (effective depth). It is provided with 4 numbers of 20 mm diameter mild steel. Take cbc = 7N/mm2 and st = 140N/mm2 and m = 13. Determine section is

Question 24

For the fillet weld of size ‘S’ shown in the adjoining figure. the effective throat thickness is-

Question 25

The following frame was analysed and final End moments are as shown. The value of P is ?

Question 26

The total degree of static indeterminacy and kinematic indeterminacy of the plane frame as shown below is
[Members are axially rigid]

Question 27

A cohesive soil yields a density of 1.8 g/cc at an water content of 16% during standard proctor test. The maximum dry density (in g/cc) to which the soil can be compacted further is….(G = 2.7)

Question 28

For a particular system of soil, weight of water = 1kg and wt. of solids = 2kg. Find THE % change in water content if the weight of water is increased by 50%

Question 29

An NHAI highway project was paused due to some unavoidable reasons at a stage of 3 .5 m rising of embankment. Now, the authority decided to resume the work by raising 1.5 m embankment per day. What will be the shear strength at the base level of embankment after 2 days working of labor?

The effective strength parameters of the soil are c′ = 80 kN/m2, φ′ = 25°, unit weight = 20 kN/m3. Laboratory test reported pore pressure parameters B = 0.5 and A = 0.7. Assume lateral Earth Pressure coefficient to be 0.6.

Question 30

A square filter is to be designed for surface rate of 2 .8 l/m2/sec. and the flow rate is 6 MLD . Filter is backwashed once in a day for 12 minutes @ 10 l/m2/sec. Calculate the percentage of total flow used in cleaning the filter.

Question 31

An icecream factory has a daily discharge of the waste water at the average rate of 2400 m3/day. The waste water coming out of the factory was tested at 2% dilution and following results were obtained:
DO of aerated water = 5mg/l
DO of waste water sample = 0.5 mg/l
DO of diluted sample after 5 days = 1.4 mg/l
Deoxygenation constant = 0.1 day-1
The ultimate BOD of the sample is

Question 32

A group of 12 piles each of diameter 300 mm and 10 m long are arranged in 3 rows at a spacing of 1.0 m c/c. The capacity of each pile is 240 kN. Then group capacity of the piles is

Question 33

A rigid retaining wall of 6m has to retain a backfill of dry cohesionless soil having specific gravity = 2.65, void ratio = 0.86, Poisson’s ratio = 0.28 and = 25. The resultant lateral thrust on the wall is
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Aug 14ESE & GATE CE