In a simply supported beam of span 'l', each end is restrained against torsion, compression flange being unrestrained. According to IS :the effective length of the compression flange will be equal to
A given material has Young's modulus E, modulus of rigidity G and Poisson's ratio of Young's modulus to modulus of rigidity of this material is,
The radial moment at the boundary of a simply supported circular slab of radius R, subjected to a uniformly distributed load of w will be
In the alignment of an irrigation channel wherefrom offtakes have to be provided at regular intervals, changes in the given channel parameters are made use of. The correct sequence of the decreasing order of preference of these parameters is
Consider the following factors :Reaction time SpeedCoefficient of longitudinal friction Gradient Which of these factors are taken into account for computing braking distance ?
If the curve lead of a broad gauge railway turnout is 16.metres, the angle of crossing of the turnout will be given by
In the PERT analysis, which one of the following is followed by the time estimate of activities and probability of either occurrance ?
Consider the following statements :In solid waste managementdensity separation of solid wastes can be accomplished by air classifiers.iron recovery from solid wastes can be done by magnetic separators.aluminium separation from solid wastes can be accomplished by eddy current separators. Which of the statements given above are correct ?
A free vortex formed from originally still water, say, as when draining still water in a flat-bottomed basin by suddenly pulling the stopper at the bottom on the drain hole, will be
Which one of the following is the most preferred wood for high quality and durable furniture ?
The correct sequence of processes in a water treatment plant for rural water supply is
Given that, t = thickness of the plates, b = width of the plates, d = diameter of the rivets, n = number of rivets in a line, σt = permissible tensile stress.The tearing strength of the joint is given by
If the magnetic bearing of a line is 48°and magnetic declination is 5°East, then the true bearing is
Which one of the following equations correctly gives the relationship between the specific graivity of soil grains (G) and the hydraulic gradient (i) to initiate 'quick' condition in a sand having a void ratio of 0.5 ?
A river is the source of water for water supply to a town. Its water is very turbid and polluted. The correct sequence of steps for treating the river water would be :
A vehicle is moving up an incline when the driver applies its brakes and the vehicle retards at 0.5 m/s2. Then according to D'Alembert's principle
The approximate proportion of dry cement mortar required for brick work is
Consider the following statements :Infiltration galleries are placed along the river beds at a depth of 4 to 6 m.The draw-down for the infiltration galleries is more than that for radial wells.Clogging of pipe pores in inflitration galleries is less than that for radial wells.The cost of extracting unit volume of water is more in case of infiltration galleries as compared to radial wells.Which of the statements given above is/are correct ?
The saturated and dry densities of a soil are respectivelykg/m3 andkg/m3. The water content (in percentage) of the soil in the saturated state would be
Why is super plasticizer added to concrete?To reduce the quantity of mixing water.To increase the consistency.To reduce the quantity of cement.To increase resistance to freezing and thawing.Select the correct answer using the code given below :
Which one of the following is the correct statement ? Penetration to know bitumen grade is measured in
Soundness test of cement is done to determine its
For the purpose of designing a well point system for lowering ground water table in a sandy silt deposit, the coefficient of permeability of the soil is to be determined. Which one of the following methods would be most suitable ?
Consider the following statements : Book value is the unamortized cost of the asset as it still appears on the accounting books of the business.Termination of economic life implies disposal of the equipment.Which of the statements given above is/are correct ?
For ornamental work, which type(s) of bricks is/ are preferred ?Silica bricksSilica lime bricksBricks produced in autoclavesSelect the correct answer using the code given below :
Am chain was found to becm too long after chaining a distance ofm. It was found to becm too long at the end of the day's work after chaining a total distance ofm. What is the true distance if the chain was correct before the commencement of the day's work ?
Consider the following statements pertaining to a pile group and a single pile at failure :In loose and medium dense sands, the failure load per pile in a group will generally be greater than the failure load for a single pile.In cohesive soils, the failure load per pile in a group will be greater than failure load for a single pile.For piles driven in dense sands, the failure load per pile in a group is greater than the failure load for a single pile.When the pile spacing is greater thantimes the pile diameter, the failure loads per pile in a group and forly same in both sands and clays.Of these statements :
What is the probable maximum precipitation (PMP) ?
Consider the following statements :A : The load factor for live load is greater than that for dead load. R : The live loads are more uncertain than dead loads. Of these statements :
The waste stabilization ponds can be
In a plate load test, how is the ultimate load estimated from the load settlement curve on a log-log graph ?
Timber can be made reasonably fire-resistant by
Which one of these methods of Tunnel Construction is not suitable in rocks ?
Which of the following instruments have both horizon glass and index glass ?Optical squareLine rangerBox sextantPedometerSelect the correct answer using the code given below :
For a non-concurrent force system to be in equilibrium
Which of the following are associated with alum coagulation ?A decrease of alkalinity in treated waterFormation of hydroxide flocs of aluminium A slight decrease of pH in treated waterAn increase of permanent hardnessSelect the correct answer using the codes given below :
A person of height 1.m standing on a cliff of heightm above the water level on sea-shore can sight a ship at a distance of about
In case of footing on the surface of shallow depth is very dense sand, which one of the following types of failure is likely to occur?
A simply supported beam of span L carries a concentrated load W at its mid-span. If the width 'b' of the beam is constant throughout the span, then, when the permissible bending stress is 'f', the beam's mid-span depth will be
A surge tank is provided in a hydropower scheme to
Consider the following statements :The principle of superpositions is applied to :Linear elastic bodiesBodies subjected to small deformations. Of these statements :
Westergaard's analysis for stress distribution beneath loaded area is applicable to
The changes that take place during the process of consolidation of a saturated clay would include
In which one of the following grades of a highway is an emergency escape ramp provided ?
When is a soil mass said to have entered the solid phase ?
The cable for a prestressed concrete simply supported beam subjected to uniformly distributed load over the entire span should ideally be :
A horizontal beam is hinged at 'R' and supported on rollers at the end 'S'. It carries inclined loads. To determine the support reactions, the funicular polygon
Consider the following statements regarding uniform flow in an open channel :Energy grade line, water surface and bed slope are parallel to each other.Froude number does not vary from section to section.Velocity of water is the same at all points of the cross-section.Of these statements :
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