You Are On Multi Choice Question Bank SET 888
44401. Consider the implicit details between, before and after successive steps in/within the order while doing time computations on a CPM network. (FP => Forward Pass; BP => Backward Pass; LET => Late Event Time; EET => Early Event Time; TF => Total Float; PD => Project Duration; AD => Activity Duration)The correct sequence of computation would be
44402. A retaining wall 8 m high with a smooth vertical back retains a clay back fill with C' = 15 kN/m2, φ = 15° and γ = 18 kN/ m3. (Given sin 15° ≅ 0.25). The pressure at the top will, nearly, be equal to
44403. In a compression member, plate element may buckle locally before the entire member fails. To avoid this, which of the following recommendations are made ?1. Thickness of members is taken in terms of lengths of compression members2. Length of element is increased3. Length of member is increased4. Outstand is decreasedSelect the correct answer using the codes given below:
44404. The deflection at the free end of a cantilever of rectangular cross-section due to certain loading of 0.8 cm. If the depth of the section is doubled keeping the width the same, then the deflection at the free end due to the same loading will be
44406. At a point in a strained material, if two mutually perpendicular tensile stresses of 2000 kg/cm2 and 1000 kg/cm2 are acting, then the intensity of tangential stress on a plane inclined at 15° to the axis of the minor stress will be :
44407. A propped cantilever is acted upon by a moment M0 at the propped end, what is the prop reaction ?
44409. In photogrammetric surveying, the image of the top of the hill is 90 mm, from the principal point of the photograph. If the elevation of the top of the hill is 500 m and the flying height is 5000 m above datum, then the relief displacement is
44411. A mild steel bar is in three parts, each 20 cm long. The diameters of parts AB, BC and CD are 2 cm, 1 cm and 3 cm respectively. The bar is subjected to an axial pull of 4t as shown in the given figure. If E = 2 x 106 kg/cm2 and the elongations in the three parts of the bar are Δ1, Δ2 and Δ3 respectively, then the ratio of the greatest to the least of these elongations will be
44412. At the same mean velocity, what is the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full ?
44413. Consider the following statement: High early strength of cement is obtained as a result of 1. fine grinding. 2. decreasing the lime content 3. burning at higher temperatures 4. increasing the quantity of gypsum. Of these statements :
44414. A prismatic beam is shown in the figure. Consider the following statements :1. The structure is unstable. 2. The bending moment is zero at supports and internal hinge.3. It is mechanism.4. It is statically indeterminate.Which of the statements given above is/are correct ?
44416. If the efficiencies of BOD removal of first-stage and second-stage trickling filters are each 65.0%, then what is the overall BOD removal efficiency of these filters ?
44417. Which one of the following tests can be carried out at the construction site to determine the dynamic elastic properties of soil ?
44418. A particle moves with simple harmonic motion. If its acceleration at distance 'D' from the equilibrium position is 'A' then the period of the motion is given by
44419. Consider the following statements :A high lime content in a composite cement-lime mortor results in1. slow hardening.2. quick setting.3. weaker mortar.Of these statements :
44421. Four vertical columns of the same material, height and weight have the same end condition. The buckling load will be the largest for a column having the cross-section of a/an
44422. A cantilever beam of span 4 m and cross-sectional are 0.3 m wide and 0.4 m deep is subjected to a concentrated load of 10 kN at the free end. Neglecting self-weight, the maximum bending stress at a section 2 m from the free end will be
44423. Consider the following statements about concrete sleepers :1. They improve the track modulus.2. They have good scrap value.3. They render transportation easy4. They maintain the gauge quite satisfactorily.Of these statements :
44425. Consider the following statements :For the manufacture of good quality bricks it is essential to1. use a reverberatory kiln.2. blend the soil with clay or sand as deemed appropriate.3. knead the soil in a ghani.4. temper the soil in a pug mill.Of these statements;
44426. Consider the following statements in case of impulse turbine :1. The pressure and velocity both change as the water flows through the turbine.2. Pressure throughout remains atmospheric and the velocity alone changes.3. All the available energy is converted into kinetic energy.4. Water is admitted over the entire circumference of the runner.5. Water is admitted only through the nozzle.Which of these statements are correct ?
44428. What is the steepest gradient permissible on a 2° curve for B.G. line having using gradient of 1 in 200 ?
44429. A cantilever beam of uniform EI has span equal to 'L'. An upward force W acts at the mid-point of the beam and a downward force P acts at the free end. In order that the deflection at the free end is zero, the relation between P and W should be
44431. In trigonometric levelling, if the horizontal distance between the instrument and the object is 3088 m, the coefficient of refraction is 0.07 and R sin 1" = 30.88 m, then the refraction correction in angular measure would be
44432. Given figure shows a retaining wall of base width B1 and height H1 The sp. gravity of the material of construction is S. Further AB = BC = CD = When the depth of storage increases from 0 to H1, the resultant force will move from
44433. A machine costs Rs. 16, 000. By constant rate of declining balance method of depreciation, its salvage value after an expected life of 3 years is Rs. 2, 000. The rate of depreciation is
44434. Consider the following statements regarding the longitude of a place.It is determined by :1. wireless time signals2. transportation of chronometers3. electric telegraph.Of these statements :
44435. The outstand of the flange of built-up beams from the line of connection should not extend beyond:(where T is the thickness of flange and tw is the thickness of web)
44436. Consider the following statements :In subsoil exploration programme the term "significant depth of exploration" is upto1. the width of foundation2. twice the width of foundation3. the depth where the additional stress intensity is less than 20% of overburden pressure4. the depth where the additional stress intensity is less than 10% of the overburden pressure5. hard rock level.Of these statements :
44437. Which one of the following statements is correct ? Compared to IFR conditions, the runaway capacity of a runway operating under VFR consitions
44438. The total observed runoff volume during a 4 hour storm with a uniform intensity of 2.8 cm/hr is 25.2 x 106 m3 from a basin of 280 km2 area. What is the average infiltration rate for the basin ?
44439. A car accelerates from rest to a speed of 10 m/s and the energy spent in doing this is E. If the car is further accelerated from 10 m/s to 20m/s, what is the amount of energy to be spent further ?
44440. The losses in prestress in pre-tensioning system are due to :1. elastic deformation of concrete when wires are tensioned successively2. friction3. shrinkage and creep of concreteSelect the correct answer using the codes given below:
44441. Consider the following statements in relation to the given sketch :1. Soil is partially saturated at degree of saturation = 60%2. Void ratio = 40%3. Water content = 30%4. Saturated unit weight = 1.5 g/ccOf these statements :
44442. A journey from work to home made by walking to the bus, travelling by bus to the station and completing the journey by train is regarded as
44443. A T-section is used as a simply supported beam with uniform loading. The maximum bending stress for a given load will occur at the
44447. The velocity vector for a steady three-dimensional flow field is described as :At point (1, 2, 3) what is the approximate value of the magnitude of the velocity?
44448. In a closed traverse, the sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures. The closing line will lie in the
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