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BARC CE: Full Syllabus Test-6

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Question 1

A column consists of four ISA 150 x 150 x 12 mm, riveted together as shown in figure. What is the slenderness ratio, if the effective length of column is 4.5?
Data given,
Ixx = Iyy = 735.4 x 104 mm4, Cxx = Cyy = 41.4 mm, a = 3459 mm2

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Question 2

For a small town with a daily supply of 500000 litres of water; 0.6 ppm of chlorine is required for treatment. The available bleaching power has 20% available chlorine. Estimate the quantity of bleaching powder required per day.

Question 3

A rectangular open channel of 6 m width is carrying a discharge of 20 m3/s. Consider the acceleration due to gravity as 9.81 m/s2 and assume water as incompressible and inviscid. The depth of flow in the channel at which the specific energy of the flowing water is minimum for the given discharge will then be

Question 4

The critical slip circle for a slope is shown in figure. The angle at the friction circle of the arc is 80 and the area of soil within the slip circle is 80 m2. If the soil has cohesion = 40 kN/m2, = 18 kN/m3 and radius of the slip circle is 10 m then the F.O.S against the slip circle failure is

Question 5

A drainage basin of a given site has a perimeter of nearly 85 km and the area of the basin calculated by planimeter is 326 km2

The compactness coefficient of the basin will be -

Question 6

In a combined footing for two columns carrying unequal loads, the maximum hogging moment occurs at,

Question 7

If the crushing stress in the material of a mild steel column is 3000 kg/cm2, Euler’s formula for crippling load is applicable for slenderness ratio.

Question 8

For the soil profile shown below, the effective stress in the middle of the clay layer is 105 kN/m3. What will be the settlement (in mm) of the clay layer due to primary consolidation? Consider Cs= 0.167×Cc and = 125 kN/m3.

Question 9

Place P has longitude 8810’ E. Find the local mean time if the standard meridian is 72 and the standard time is 9h 36m 48s.

Question 10

For Over lay thickness design, deflection reduction factor is 12. Thickness of bituminous overlay is twice the allowable deflection. Thickness of bituminous overlay in meter is________

Question 11

The cross–section of a thermo–mechanically treated (TMT) reinforcing bar has

Question 12

A tie of a roof truss consist of double angles ISA 100 x 75 x 12 mm with its short legs back to back and long legs connected to the same side of a gusset plate with 20 mm diameter rivets. What is the strength (in kN) of tie in axial tension, taking σat = 150 N/mm2.
[Assume tack rivets have been provided at suitable pitch.]

Question 13

A circular Sedimentation tank needs to be designed to carry a discharge of 2.5 MLD. Find the dimension of the tank if the ratio of height to diameter is 1.5. Assume the detention time for the tank is 1.65 hours.

Question 14

What will be the discharge as measured by a triangular notch of 60° under a head of 1.2m? Assume coefficient of discharge to be 0.66.

Question 15

A strip footing, 1.5 m wide, is having its base at a depth of 1 m from the ground level. Find the ultimate bearing capacity (in kN/m2) of the footing, if the ground water table is located at a depth of 0.5 m below the ground level.

Question 16

In fine sand aquifer region, the yield of the well is 12 lit/sec under the depression head of 3m. Find the diameter of the well if discharge per unit area under unit depression is 0.5 hr-1.

Question 17

A simply supported prestressed concrete beam as of 25m span the initial stress of 1000 MPa. The slip in the jack during tensioning has a beam of 4mm. If ES = 200 GPa. The loss of prestress due to anchorage slip is? (in%)

Question 18

A mild steel specimen is under uniaxial tensile stress. Young’s modulus and yield stress for mild steel are 2 x 105 MPa and 250 MPa respectively. The maximum amount of strain energy per unit volume that can be stored in this specimen without permanent set is

Question 19

A particular type of soil having three phases dry, wet and OMC . What is the ascending order of permeability of these phases?

Question 20

Two station P and Q have true difference in elevation (fall from P to Q) of 0.500 m. The level was kept close to Q and the readings were taken on Q and P 1800 m apart were 1.865 and 1.305 m respectively. Find the angular error in collimation.

Question 21

On a highway the free mean speed was 75 kmph and centre to centre spacing between vehicles at jam density was 6.25 m. The maximum flow density that can be expected will be

Question 22

A first class brick should not absorb water more than ……………………… of its own dry weight after 24 hours of immersion in cold water

Question 23

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

Question 24

A particle having diameter 0.01 mm settles in a sedimentation tank with velocity 4.83 × 10–3 m/s. If the overflow rate in a sedimentation tank is 2.85 × 10–2 m/s. What minimum size of particle will settle completely in the tank?

Question 25

Which of the following statements is true regarding an infinitely long plate held parallel to the direction of flow of an ideal fluid in a stream of infinite extent?

Question 26

A split spoon sampler has following data

Inside dia. Of cutting edge = 20 mm

Outside dia. Of cutting edge = 50 mm

Inner dia. Of sampling tube = 30 mm

Onter dia. Of sampling tube = 40 mm

The ratio of inside & outside clearance will be ?

Question 27

During a flood, the water surface at a section was found to decrease at a rate of 25cm/hr. The slope of the river is 1/400. Assuming the velocity of the flood waves as 2.5m/s, the actual discharge in the stream can be estimated to be

Question 28

A triangular section of 450 mm effective depth and 250 mm base width is reinforced as shown in figure. Taking σabc = 5N/mm2, σst = 140 N/mm2 and m = 19. What is the actual depth of the neutral axis of the beam section?


Question 29

The volume of a tensile specimen remains constant during plastic deformation under the influence of an axial load and its diameter changes from 2d to 1.5d. The true strain induced in the specimen is

Question 30

The viscosity and unit weight of the percolating fluid are reduced to 67% and 93% respectively due to rise in temperature. If other thing remains constant, the coefficient of permeability will be

Question 31

In a closed theodolite traverse, the sum of the latitudes is +4.280 m and the sum of the departures is – 48.352 m. The sum of the traverse legs is 18.672 km. The accuracy of traverse is nearly equal to

Question 32

On a two-lane NH, a curve of radius 400 m and length 225 m is designed to have a stopping sight distance is 90 m and width of each lane is 3.8 m. What will be the set back distance required from the mid of the inner lane of the road to the edge of a building.

Question 33

For a given environment, the most significant factor that influence the total shrinkage of concrete is
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Jun 27ESE & GATE CE