You Are On Multi Choice Question Bank SET 906
45301. If a road surface is adequately superelevated on horizontal curve, which one of the following is the proper distribution of pressure on the vehicle wheels ?
45303. For stability analysis of slopes of purely cohesive soils, the critical centre is taken to lie at the intersection of
45304. A prismatic bar of uniform cross-sectional area of 5 cm2 is subjected to axial loads as shown in the given figure. Portion BC is subjected to an axial stress of
45305. Which one of the following methods would give accurate results in determining the direction of the observer's meridian ?
45306. In a truss work as shown in the figure given above, what is the force induced in the member DE ?
45307. The process by which a mass of saturated soil is caused by external forces to suddenly lose its shear strength and to behave as a fluid is called
45308. In steady laminar flow of a liquid through a circular pipe of internal diameter D, carrying a constant discharge, the hydraulic gradient is inversely proportional to
45309. A pipe line, 2000 m long, carries water. Velocity of propagation of pressure wave is 1000 m/s. If the valve at the low stream end is instantaneously closed at time, t = 0, negative water hammer pressure at the valve will last for
45310. Consider the following statements related to triaxial test :1. Failure occurs along pre-determined plane.2. Intermediate and minor principal stresses are equal.3. Volume changes can be measured.4. Field conditions can be simulated.Of these statements :
45312. Consider the following statements :Cement concrete is a/an :1. Elastic material.2. Visco-elastic material.3. Visco-plastic material.Which of the statements given above is/are correct ?
45314. What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam ?
45315. Consider the following statements about a hydraulic ram :1. Hydraulic ram does not need external power. 2. It works on the fundamental principle of water hammer.3. The efficiency of a hydraulic ram is only of the order of 8 to 10%.4. It can be termed as a low, intermittent discharge low-head pumping installation. Which of these statements are correct ?
45316. Which of the following are the purposes of a groyne as a river training structure ?1. It contracts a river channel to improve its depth.2. It protects the river bank.3. It does not allow silt to deposit in the vicinity.4. It trains the flow along a certain course.Select the correct answer using the code given below :
45317. What is the permissible tensile stress is bolts used for column bases ?(Where fy is the yield stress of the steel)
45319. The area of a plot is to be determined using Simpson's rule. The following offsets were taken to a boundary from points along a chain line all measurements being in metres 12, 15, 22, 29, 36, 38, 31, 22, 17.There were taken at 100 m intervals. Consider the following steps in this regard.1. 2. Sum of the odd ordinates = 22 + 36 + 1 = 893. Sum of the even ordinates = 15 + 29 + 38 + 22 = 1044. 12 + 17 = 395. Area = 100 (19.5 + 89 + 104)6. Area = (39 + 2 x 89 + 4 x 104)7. Area 100 x 19.5 (104 - 89)The area of the plot can be determined by using the steps listed above :
45320. At a cross-section of a beam, the maximum compressive stress at top is 800 kg/cm2 and its maximum tensile stress at bottom is 200 kg/cm2. The depth of cross-section is 10 cm. The depth of the neutral axis from the top of the section is n. The n is equal to
45323. Consider the following factors :1. Initial prestress 2. Losses in prestress3. Depth of cable from extreme compression fibre. Those which affect the ultimate moment capacity of a prestressed concrete beam would include
45325. The cantilever frame shown in the given figure is supported by vertical links at B and C and carries loads as shown. The force in the bar AE is
45326. Two piles, one a bored cast-in-situ pile and another a precast driven pile, both of same length and diameter are constructed in a loose sand deposit. If the bearing capacity of the bored pile is Q1, and that of the precast driven pile is Q2, then which of the following is correct ?
45327. Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will
45328. For the design of a simply supported RCC T-beam, the ratio of the effective span to the overall depth of the beam should not exceed
45329. The typical density in kg/cm (in situ) of well-compacted municipal solid waste in landfill is in the range of
45331. In a plate load test on sandy soil, the test plate of 60 cm x 60 cm undergoes a settlement of 5 mm at a pressure of 12 x 104 N/m2. What will be the expected settlement of 3 m x 3 m footing under same pressure ?
45332. A bar 4 cm in diameter is subjected to an axial load of 41. The extension of the bar over a gauge length of 20 cm is 0.03 cm. The decrease in diameter is 0.0018 cm. The Poisson's ratio is
45333. The kinetic energy in Nm of a circular disc of 20 m diameter and 10 cm thick, of material weighing 100 kg/m3, rotating above an axis through its centre at right angles to its place and making 2000 rpm is
45334. The upper limit of area ratio for which the amount of disturbance of soil sample can be considered to be small is
45336. Consider the following statements :The daily per capita consumption of water apparently increases with1. higher standard of living of people.2. availability of sewerage in the city.3. metered water supply.4. wholesome and potable quality of water.Which of these statements are correct ?
45337. A river model is constructed to a horizontal scale of 1:1000 and a vertical scale of 1:100. A model discharge in the prototype, of what magnitude ?
45338. If a 30 m length can be taped with a precision of ± 0.01 m, then the standard error of measuring 1.08 km with the same precision will be
45339. a grit chamber of dimensions 12.0 m x 1.50 x 800 m liquid depth has a flow of 720 m3/hr. Its surface loading rate and detention time are, respectively,
45340. In signals system design of Railways the distance at which the outer signal is to be placed is decided on basis of the
45341. Which one of the following is the best method for the stabilization of the clayey subgrade in water-logged area ?
45342. The stress distribution at a depth beneath a loaded area is determined using Newmark's influence chart which indicates an influence value of 0.005. The number of segments covered by the loaded area in the chart is 20 and the intensity of loading on the area is 10 T/m2. The intensity of stress distribution at that depth is
45343. The adjoining figures show funicular diagram and polar diagram for a beam subjected to vertical forces. x is the distance of the pole from the vector line. If x is doubled, then the ordinate in the funicular diagram will be
45344. In a cohesionless soil deposit having a unit weight of 1.5 t/m3and an angle of internal friction of 30° the active and passivelateral earth pressure intensities (in t/m2) at a depth of 10 m will, respectively, be
45345. A three-hinged loaded semicircular arch ACB is shown in the figure given. What is the shearing force at the hinge C ?
45346. A clay sample has a void ratio of 0.50 in dry state and specific gravity of solids = 2.70. Its shrinkage limit will be
45347. A catchment has an area of 150 hectares and a run-off/rainfall ratio of 0.40. If due to 10 cm rainfall over the catchment, a stream flow at the catchment outlet lasts for 10 hours, what is the average stream flow in the period ?
45348. The head loss in a pipe of diameter d, carrying oil at a flow rate Q over a distance l is h. The pipe is replaced by another with half the diameter, all other things remaining the same. The head loss in this case will be
45349. A very tiny sphere is settling down in a viscous liquid at Reynolds number = 0.2. Its drag coefficient is equal to
45350. An ascending gradient of 1 in 100 meets a descending gradient of 1 in 50, The length of summit curve required to provide overtaking sight distance of 500 m will be
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