A summit vertical curve is to be set joining + 2 percent grade with -3 percent grade. If the tangents interest at an elevation ofm and the rate of change of grade is - 1 percent perm, then the elevation of the beginning point of the vertical curve will be

A clay sample has a void ratio of 0.in dry state. The specific gravity of soil solids is 2.What is the shrinkage limit of the soil ?

Two closed-coil springs of stiffness s and 2s are arranged in series in one case and in parallel in the other case. The ratio of stiffness of springs connected in series to parallel is

Which of the following pairs regarding the defects in timber are correctly matched ?
Upsets....due to overmaturity and unventilated star age of wood.
Fwciness....due to crushing of fibres running transversel.
Star shakes....radial splits widest at the circumference and diminishing towards the centre.
Heart shakes....cracks widest at the centre and diminishing towards the outer circumference.
Select the correct answer using the codes given below.

Uniformity coefficient of filter sand is given by :

Consider the following factors :
Provision of a suitable slope to the top of the sill.
Proper throating of the sill to throw off the water outside.
Giving a projection of not less thanmm to the sill.
Providing damp-proof course below the sill to check the entry of moisture inside the main wall.
Those considered while constructing a brick sill would include

A three-hinged loaded semicircular arch ACB is shown in the figure given. What is the shearing force at the hinge C ?

Undisturbed soil samples are required for conducting

Consider the following statements :
Alum coagulation decreases the alkalinity of water.
Alum coagulation increases permanent hardness of water.
Alum coagulation decreases pH of water.
Alum coagulation produces aluminium hydroxide flocks in the flocculation process.
Which of the statements given above are correct ?

Consider the following statements :
In the laboratory consolidation test, initial compression is the result of displacement of soil particles.
Primary consolidation is due to dissipation of pore water pressure.
Secondary compression starts after complete dissipation of pore water pressure.
Primary consolidation and secondary compression occur simultaneously.
Which of the statements given above are correct ?

A three-hinged loaded semicircular arch ACB is shown in the figure given. What is the shearing force at the hinge C ?

The runway length after correcting for elevation and temperature ism. If the effective gradient on runway is 0.5 per cent, then the revised runway length will be

A motor shaft rotating with a speed ofrpm decelerates uniformly when the motor is switched off and stops insec. The number of revolutions made by the shaft in this time would be

What is the correct sequence of the following steps in the graphical determination of stresses in the members of a loaded plane truss ?
Vector diagram to determine the end reactions.
Space diagram.
Stress diagram.
Select the correct answer using the codes given below :

A parabolic vertical curve is to be set out connecting two uniform grades of +0.and +.0%. The rate of change of grade is to be 0.perm. The length of the curve will be

A parabolic vertical curve is to be set out connecting two uniform grades of +0.and +.0%. The rate of change of grade is to be 0.perm. The length of the curve will be

Two closed-coil springs of stiffness s and 2s are arranged in series in one case and in parallel in the other case. The ratio of stiffness of springs connected in series to parallel is

General shrinkage in cement concrete is caused by

A good brick when immersed in water bath forhours, should not absorb more than

A good brick when immersed in water bath forhours, should not absorb more than

The local sidereal time (LST) is always

Consider the following statements relating to triaxial tests :
Change in length of the specimen in a triaxial shear test is required to be accounted for in the calculation of stresses at failure.
In 'Drained Triaxial Shear Test', drainage is permitted under a specified all-round pressure until consolidation is complete. The principal stress difference is then applied with no drainage being permitted.
Unconfined compression test is a special case of triaxial shear test.
Of these statements :

The local sidereal time (LST) is always

What is the correct sequence of the following steps in the graphical determination of stresses in the members of a loaded plane truss ?
Vector diagram to determine the end reactions.
Space diagram.
Stress diagram.
Select the correct answer using the codes given below :

A simply supported rectangular beam of span 'L' and depth 'd' carries a central load 'W' What ratio of maximum deflection to maximum bending stress is

A right-angled triangular channel, symmetrical in section about the vertical, carries a discharge of 5 m³ /s with a velocity of 1.m/s. What is the approximate value of the Froude number of the flow ?

A sewer is laid from a manhole A to a manhole B,m apart along a downward gradient of 1 inIf the reduced level of the invert at A is 205.m and the height of the boring rod is 3 m, then, reduced level of the sight rail at B, is

Which one of the following would contain water with the maximum amount of turbidity ?

A short bar element of uniform cross-section is subjected to concentrated axial forces at its two ends. The longitudinal stress distribution on the cross-section is uniform at

Which one of the following pairs is not correctly matched ?

Which one of the following is employed to determine strength of hardened existing concrete structure ?

What is the wave velocity for a uniform train of wave beyond the storm centre for a wave length ofm inm deep water ?

The velocity distribution for flow over a plate is given by u = 0.5 y - y² where u is the velocity in m/s at a distance y metre above the plate. If the dynamic viscosity of the fluid is 0.9 N/m², then what is the shear stress at 0.m from the boundary?

The following steps are necessary to obtain sufficient accuracy with the tape :
Keeping uniform tension on tape for each measurement:
"Breaking" tape on slopes are necessary to keep the tape level.
Keeping accurate count of the stations.
Keeping the tape on the line being measured.
The correct sequence of these steps is

When power shovels are operated under different site conditions (in terms of material handled), what is the correct sequence in the increasing order of the ouput for the following materials ?
Well - blasted rock
Hard and tough clay
Poorly blasted rock
Moist loam or sand
Select the correct answer using the code given below :

Which of the following pairs is correctly matched ?

Which one of following statements associated with groynes :
Hydraulic behaviour of a system of groynes is influenced by the characteristics of particles that constitute the littoral drift.
Groyne is constructed approximately parallel to shore.
Which of the statements given above is/are correct ?

Reinforced concrete door and window frames can be compacted using :
needle vibrator
plate vibrator
form vibrator
tapping
The correct sequence of these equipment in order of preference (from the best to the worst) is

Maximum shear stress developed in a beam of rectangular section bears a constant ratio to its average shear stress and this ratio is equal to

In a design of storm sewers, if the time taken by rain-water to flow from the farthest point of the watershed to the sewer inlet is 't_i' and the time of flow of water from the sewer inlet to the point in the sewer that is under consideration is 't_f', then the time of concentration will be

The weight of aggregate having specific gravity 2.completely filled into a cylinder of volume 0.m³ is 5.2 kg. What is the value of the angularity index of aggregate (approximately) as given by Murdock ?

A simply supported beam AB of span L is subjected to a concentrated load W at the centre C of the span. According to Mohr's moment area method, which one of the following gives the deflection under the load ?

Consider the following statements :
Curing of concrete is necessary because
(a) concrete needs more water for chemical reaction
(b) it is necessary to protect the water initially mixed in concrete from being lost during evaporation
(c) penetration of surrounding water increases the strength of concrete Which of the statements given above is/are correct ?

A soil sample is having a specific gravity of 2.and a void ratio of 0.The water content in percentage required to fully saturate the soil at the void ratio would be

A reinforced concrete beam is designed for the limit states of collapse in flexure a shear. Which of the following limit states of serviceability have to be checked ?
Deflection
Cracking
Durability
Select the correct answer using the codes given below :

A rectangular channel of 2.5 m width and 2 m depth of water carries a flow ofm³/s. The specific energy for the flow is given by

Consider the following :
Initial consolidation.
Primary consolidation.
Secondary consolidation.
Final consolidation.
The three stages which would be relevant to consolidation of a soil deposit includes

For a state of plane stress σ₁ = σ_x =MPa, and σ₂ = σ_y = 20MPa. What are the values of the maximum in-plane shearing stress and absolute maximum shearing stress ?

A T-beam roof section has the following particulars :
Thickness of slabmm
Width of ribmm
Depth of beammm
Centre to centre distance of beams 3.0 m
Effective span of beams 6.0 m
Distance between points of contraflexure is 3.m.
The effective width of flange of the beam is

In a saturated clay layer undergoing consolidation with single drainage at its top, the pore water pressure would be the maximum at its