Time Left - 40:00 mins

BARC CE: Full Syllabus Test-8

Attempt now to get your rank among 173 students!

Question 1

The stresses at corner region of a cement concrete pavement, using Westergard’s stream equation, using the following data:

Wheel load = 4000 kg

Radius of contact area = 11 cm

Modulus of elasticity of cement concrete E = 3.3 x 105 kg/cm2

Modulus of subgrade reaction K = 25 kg/cm3

Poisson’s ratio of subgrade = 0.14

Pavement thickness = 16 cm

Question 2

Following table gives data of consecutive coordinates in respect of a closed theodolite traverse ABCDA.
Find the magnitude and direction of closing error.

Question 3

A layer of soft saturated clay is 6 m thick and lies under a newly constructed building. The initial effective stress at the centre clay layer is 260 kN/m2  and the weight of sand overlying the clayey layer produces a pressure of 100 kN/m2 at the centre of clay layer. If the compression index is 0.5, then the settlement is ________cm.
[Take water content = 40% and specific gravity of grains = 2.65]

Question 4

A propped canilever AB of 6 m span is subjected to 10 kN load at mid span. When the support 'B' sinks by 1 cm, the magnitude of moment at support A is ________ kNm.

[Take EI = 2.4 x 106 kN cm2]

Question 5

A solid circular shaft has a uniform diameter of 0.0508 m and length is 3.048 m long. At its midpoint, 65 hp is delivered to the shaft by means of a belt passing over a pulley. This power is used to drive two machines, one at the left end of the shaft consuming 25 hp and one at the right end consuming 40 hp. The shaft turns at 200 rev/min, then the maximum shear stress developed in the shaft is ________ Mpa.
[Take G = 82.74 GPa and assume elastic action]

Question 6

A canal was designed to supply the irrigation needs of 1000 ha of land growing rice of 140 days base period and having a delta of 130cm. If the canal water is used to irrigate wheat of base period 119 days and having a delta of 50cm, the area that can be irrigated is.

Question 7

Find the settlement of a footing of width 1.2m with the following plate lad test result for sandy soil. Settlement of plate is 12mm; width of plate is 400 mm.

Question 8

Match the following columns:

Question 9

What will be the amount of air supplied, if 4 kg of oxygen is required per kg of volatile solid destroyed, which is 30% of total volatile solid present? The air supplied has density of 1.25 kg/m3, oxygen content in air is 25% and total volatile solid present is 1200 kg/day. Assume efficiency of transferring O2 is 20%

Question 10

A circular plate of 150 mm diameter is welded to another plate by means of filled weld throuout the circumference of the plate. If the permissible sharing stress in the weld is 110 N/mm2 and the maximum twisting moment to be resisted by the weld is 10 kN-m, what will be the size (in mm) of the fillet weld? (Answer to nearest large value of integer).

Question 11

The number of cement bags required in making plain cement flooring in an area of size 4 × 5 m and 150mm thick using cement concrete of mix 1: 3: 6 is -

Question 12

A traffic survey conducted on a road yield an average daily traffic count of 6000 vehicle. The axle load distribution on the same road is given in the following table:

The design period of the road is 12 years, the yearly traffic growth rate is 6.3% and the load safety factor is 1.3. If the vehicle damage factor is calculated from above data, the design traffic (in million standard axle load MSA) is

Question 13

The observation ray between two triangular stations A and B just grazes the sea. If the heights of A and B are 9000 metres and 3000 metres respectively, distance AB will be (diameter of earth 12880 km). Consider the effect of curvature only.

Question 14

An earth dam is built on an impervious foundation with a horizontal filter at the base near the toe. the permeability of soil is horizontal and vertical direction are 3x10-2mm/sec, 1x10-2mm/sec. The reservoir level is 30m above the filter and a flow net is constructed for the transformed section of the dam, consists of 4 flow channels and 16 head drops. Estimate the seepage loss per unit length of the dam.

Question 15

Find the Force in member AC of the truss shown below:

Question 16

A flat steel bar 20 mm x 8 mm is placed between two aluminum bars 20 mm x 6 mm so as to make a composite bar of square section 20 mm x 20 mm. The three bars are fastened together rigidly along the interfaces, when the temperature of each is 75 ° F, then the temperature stresses (in N/mm2) developed in steel and aluminium bars, if temperature of the whole assembly is raised to 125 °F, is
[Take ES = 210 GPa, EA =70 GPa, S = 6.4 x 10-6 per , A = 12.8 x 10-6 per ]

Question 17

A crop having root zone depth 1.5 m is grown in a particular area where water table is 2 m below the ground surface. The permeability is 10–6 m/s. The capillary height of water is 0.6. What should be depth of tile drain of soil from ground surface so that the capillary rise do not interfere with the root zone of plant. Tile drains are spaced at a distance of 12 m c/c.

Take drainage coefficient = 0.12 cumecs/km2& impervious stratum is at 8 m below ground.

Question 18

A standard penetration test performed at a depth of 10m in a dense sand deposit with a unit weight of 17.5 kN/m3. If the observed N – value in 48 and water table is such that soil is saturated, then the corrected value of N is

Question 19

A missile is going at a speed of 1100 km/h considering the temperature to be 10oC at this height, Mach number is nearly equal to….

Question 20

Consider the following statements regarding coagulant aids:

1. They are employed when temperature is low as they then accelerate the process of coagulation.

2. They are employed when flocs are small and water is coloured.

3. With their use, water purification capacity of the plant is increased.

4. Most widely used materials are oxidants, absorbents, weighing agents, activated carbon and polyelectrolytes.

Which of the above statements are correct?

Question 21

Value of ‘Mp’ for which continuous beam ABCD has to be designed to with stand given collapse load will be _______ kN-m. The load on AB is applied at mid-span.

Question 22

If Na2O and K2O content in a given cement is 1.5% and 1%. Then total alkali content (in percentage) in the cement in terms of equivalent Na2O can be taken as.

Question 23

An ascending gradient of 3.5% meets a descending gradient of 2%. What is the design length of the curve in meter for a design speed of 60 kmph such that overtaking sight distance of 160 m is available on the curve.

Question 24

A tacheometer was placed at P for estimation of the horizontal distances PQ and PR. The corresponding stadia intercept, with telescope kept horizontal, are 0.290m and 0.180m respectively. Angle QPR measured to be 51 ̊3030. Stadia multiplication and addition constant are 100 and 0.10m respectively. The horizontal distance between the points Q & R is

Question 25

A consolidated undrained triaxial compression test is conducted on a normally
consolidated clay at a confining pressure of 100 kPa. The deviator stress at failure is 80 kPa, and the pore-water pressure measured at failure is 50 kPa. The effective angle of internal friction (in degrees, up to one decimal place) of the soil is_________

Question 26

The functional difference between flexibility and stiffness matrix methods for the analysis of statically indeterminate structure, is that

Question 27

Two identical rigid bars AB and BC are pinned at B and C supported at A by a pin in a frictionless roller that can only displace vertically, then determine the critical load of the system.

Question 28

Which of the following statements are correct?

a. For a wide trapezoidal channel in an alluvial soil, the discharge Q is approximately proportional to D3/2.

b. As the setting is decreased, a proportional outlet becomes hyper-proportional.

c. As the setting is increased, a proportional outlet becomes sub-proportional.

d. Sensitivity of an outlet is proportional to its flexibility.

Question 29

A long infinite slope of soil, with c’ = 0, is on the verge of sliding failure. Firm stratum lies below the slope and it is assumed that the water table may occasionally rise to the surface, with seepage taking place parallel to the slope. If the slope angle is 25°, = 20 kN/m3 and = 9.81 kN/m3, then the value of effective angle of internal friction (in degrees) of the sand is

Question 30

Assuming weight of balloon to be negligible. Find out the percentage change in tension in the string when pressure is changed form 120 kPa to 2.3 MPa. If initial diameter of balloon is 32 cm and relationship of diameter of balloon (D) with pressure p is given by

Question 31

The hardness of a water sample is measured directly by titration with 0.1 M solution of ethylenediamine tetraacetic acid (EDTA) using eriochrome black T (EBT) as an indicator. The EBT reacts and forms complexes with divalent metallic cations present in the water. During titration, the EDTA replaces the EBT in the complex. When the replacement of EBT is complete at the end point of the titration, the colour of the solution changes from

Question 32

A bracket transmit a moment of 200 kN-m, to a column flange, using 20 mm dia bolts, as shown below. The shear force induced in most critical bolt is

Question 33

In the concrete mix, with proportions of its ingredient 1:3:6, The actual quantity of sand per unit volume of concrete, if bulking of sand to 20% is _______
  • 173 attempts
  • 0 upvotes
  • 0 comments
Aug 14ESE & GATE CE