A cantilever beam of rectangular cross-section is subjected to a concentrated load W at its free end. If the width of the beam is doubled, the deflection at the free end as compared to the earlier case will be:
Question 2
Asimplysupported beam with rectangular cross-sectionissubjectedto a centralconcentrated load. If the width and depth of beam is doubled, the deflection at centre the beam willbereduced to:
Question 3
A soil sample is having a specific gravity of 2.6 and avoid ratio of 0.78. The water content in percentage required to fully saturate the soil at that void ratio is:
Question 4
In the pin-joined truss shown in the figure, the static degree of indeterminacy is:
Question 5
For both ends of the fixed beam shown in the figure carrying a concentrated load eccentrically placed on the beam, deflection under load is
Question 6
For the plane truss shown in the figure, the number of zero force members for the given loading is
Question 7
Determinetheminimumand maximum longitudinal reinforcement for a square column of size 300 mm x 300 mm having a clear cover of 25 mm.
Question 8
A circular shaft was initially subjected to bending moment and then was subjected to torsion. If the magnitude of bending moment is found to be the same as that of the torque, then the ratio of maximum bending stress to shear stress would be
Question 9
A soft saturated clayey soil testedunconfined gaveanaxial stress of 50 kN/m2atfailure. The shearstrengthof the soil is:
Question 10
What is the shear equation in slope deflection method for the portal frame shown below?
Question 11
In case of curved ducts, the loss of prestress depends upon the radius of curvature(R) of the duct and the coefficient of friction (μ) between duct surface and the tendon. Thetension at any point of the cable distance V from the end
is given by ____.
Question 12
The back sight reading on a B.M. = R.L. of 150mwas(-2.250 m). The erected staff readingonthe top of workshop floor was 1.450 m. The R.L. of the top of workshop floor is:
Question 13
Thepermissible stress in steel(σst)is130MPa in a water tank of diameter 1.3 m which is designed to resist direct tensile force (T) of260kNper meter width. Determine the required area of tension steel in mm2/m.
Question 14
To provide safety against piping failure, with a factor of safety of 5, what should be the maximum permissible exit gradient for soil with specific gravity of 2.5 and porosity of 0.35?
Question 15
As per the Indian Standard (IS) 800:2007, with respect to serviceability and when transverse stiffeners are not provided, the d/tw ratio of the web should be less than or equal to (depth of web = d; thickness of web = tw; and yield stress ratio of web = εw)
Question 16
Foracertain loading condition, a saturatedclaylayerundergoes 40% consolidationinaperiod178 days. What would be theadditionaltime requiredfor further 20% consolidationto occur?
Question 17
Steady pumping of a well at 314 m3/hour produces drawdowns 4.0 m and 2.0 m at radial distances 2.0 m and 20.0 m respectively in a confined aquifer. The transmissivity of the aquifer is about:
Question 18
To carry a discharge 100 m3/s in a regime canal, the perimeter from Lacey’s theory is about
Question 19
The degree of kinematic indeterminacy of a plane structure shown in the figure neglecting axial strain, is
Question 20
Following results are obtained from particle size analysis:
Uniformity coefficient = 8
Coefficient of curvature = 2.8
Percentage of soil passing through 75 μ IS sieve = 10%
Percentage of soil passing through 4.75 mm IS sieve = 70%
If liquid limit and plastic limit for the soil are 38% and 34. 2% respectively, the soil can be classified as per IS soil classification system as
Question 21
50 gm of oven dried soil of five sizes shown in the table is taken for hydrometer analysis 1000 cc of suspension is prepared and filled in a jar up to 30 cm height
If specific gravity of soil solids is 2.7 and viscosity of soil water suspension is 1 x 10-6 kN sec/m2, the time required for all the particles to settle to the bottom of the jar is
Question 22
A certain waste has a BOD of 162 mg/L and its flow is 1000 m3/day. If the domestic sewage has a BOD of 80 g/capita, then the population equivalent of the waste would be:
Question 23
If a rectangular under-reinforced section is subjected to bending moment equal to its moment carrying capacity and the stress in steel and extreme compression fiber of concrete at this moment are σs and σc respectively then which of the following is correct?
Where, fy and fc are the permissible stresses in steel and concrete respectively.
Question 24
An ordinary mild steel bar has been prestressed to a working stress of 200 MPa. If the Young’s modules of steel is 200 GPa and permanent negative strain due to shrinkage and creep is 0.0008, what is the effective stress left in the steel?
Question 25
For a circular curve of radius 200 m, the coefficient of lateral friction of 0.15 and the design speed is 40 kmph. The equilibrium superelevation (for equal pressure oninnerand outer wheel) would be?
Question 26
The value of limiting moment of resistance of a RC beam for M25 grade of concrete and Fe500 grade of steel is given by (Notations have their usual meaning):
Question 27
A singly reinforced concrete beam of 300 mm width and 750 mm effective depth is provided with 2000 mm2 steel. If the modular ratio is 15, the depth of neutral axis will be:
Question 28
If ‘Ib’ is the moment of inertia of the rolled beam section, ‘Ap’ is the area of cover plates in one flange and ‘h’ is the distance between the centroid of the top and bottom flange plates, moment of intertia of buildup plate girder is given by:
Question 29
The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS Sieve is 35, is:
Question 30
The apparatus used for determining the Soundness of cement is
Question 31
If the BMD for a simply supported beam is as shown below, the load on the beam will be
Question 32
The force in the member ‘X’ of the truss supported and loaded as shown is
Question 33
A layer of soil having G = 2.67 and e = 0.67 is subjected to an upward head of 1.5 m due to seepage of water. The depth of the soil layer required to provide a factor of safety 2 against piping is