Multi Option Question Page 889

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44451. A saturated clay layer with single drainage face takes 4 years to attain 50% degree of consolidation. If the clay layer had double drainage, then the time required to attain 50% degree of consolidation is

44452. Consider the following statements :Among the more common varieties of timber, namely, sal, mango and deodar, 1. sal is the strongest. 2. mango is the least durable.3. deodar is the lightest.Of these statements :

44453. Which one of the following tools is required to bend the rails for track maintenance ?

44454. On which one of the following concepts is the basic principle of structural design based ?

44455. Consider the following statements : If two planes at right angles carry only shear stress of magnitude 'q', then the1. diameter of Mohr's circle would equal 2q2. centre of the Mohr's circle would lie at the origin3. principal stresses are unlike and have magnitude 'q'4. angle between the principal plane and the plane of maximum shear would be equal to 45° Of these statements :

44456. Two bodies of masses m1 and m2 are communicated by a light inextensible string passing over a small smooth fixed pulley; m1 > m2. What is the acceleration of the system ?

44457. Consider the following statements :1. Butterfly valve is used for throttling and controlling flow rate.2. Check valve is used in the discharge piping of a pump.3. Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the system4. Altitude valve is provided in user overhead tank.Which of the statements given above are correct ?

44458. A beam of rectangular section 100 mm x 300 mm carries certain loads such that the Bending Moment at a section A is M ans at another section B it is (M + C).The distance between the sections A and B is 0.5 m and there are no external loads acting between the two sections. If the value of C is 10, 000 Nm, then the maximum shear stress is

44459. Consider the following statements :If a simply supported beam of uniform cross-section is subjected to a clockwise moment at the left support and an equal anticlockwise moment at the right support, then the1. B.M.D. will be in the shape of a rectangle.2. S.F.D. will be a straight line coinciding with the base.3. deflection curve will be in the shape of a circular arc.Of these statements :

44460. Which one of the following related to domestic potable water quality is correct?

44461. BOD is preferred to COD as an index of sewage concentration because

44462. Consider the following systems :1. Trusses and purlins2. Suspension system3. Flat grid roof 4. ShellsWhen these are used in single deck industrial structures, the correct sequence in increasing order of spans will be

44463. A clay layer 3 m deep is sandwiched by a pervious material. The soil reaches 90% consolidation in 3 years. At another site, the same clay layer is bounded by impervious boundary at the bottom and sand at the top. What is the time taken by this layer to reach 90% settlement ?

44464. What is the distance through which the tongue rail moves laterally at the toe of the switch for movement of trains called ?

44465. Presence of which one of the following in water is the major cause of depression paralysis, blindness and/or birth defects ?

44466. Force of buoyancy on a floating body equals

44467. Which one of the following statements is correct ? Lug angles:

44468. Consider the following statements :A : The collapse load found in the plastic analysis of a continuous beam is affected by sinking of supports. B : Large elastic stresses are caused at the supports due to sinking of supports.Of these statements :

44469. When a particular discharge is flowing in a horizontal pipe, a mercury-water U-tube manometer connccted to the entrance and throat of a venturimeter fitted in the pipe recorded a deflection of 25 cm. If the same discharge flowed through the same pipe kept at an inclination of 45° to the horizontal, then the corresponding deflection recorded by the U-tube manometer will be

44470. A grinding wheel rotates 3000 rpm. When power supply is cut off, the wheel stops completely in 10 seconds. What is the number of revolutions made by the wheel before coming to rest ?

44471. When is a masonry wall known as a shear wall ?

44472. A parabolic arch, symmetrical, with hinges at centre and ends, carries a point load P at distance x from left support. The arch has a span of 20 m and rise of 5 m. What is the value of x if the left hinge reaction is inclined with a slope of two vertical on one horizontal ?

44473. Consider the following statements for the column with a bracket as shown in the figure :1. Shear force is constant throughout.2. Maximum moment in the column is P.e.3. The compressive axial force in the column is 0.4. p.Which of the statements given above is/are correct ?

44474. Increase in fineness of cement

44475. Two springs of stiffnesses KA and KB are placed on inside the other so as to compressed by the same amount under an applied axial load. The combined stiffness of the two springs will be

44476. At the time of initial tensioning the maximum tensile stress in tendon immediately behind the anchorage shall Not exceed

44477. The following statements relate to a laminar flow :1. Laminar flow is rotational.2. In laminar flow the loss of head is proportional to the square of the velocity.3. In laminar flow the loss of head is proportional to the first power of viscosity.4. In laminar flow the velocity is constant over the cross-section.5. Other quantities remaining the same, increase in diameter will increase the Reynolds number in laminar flow.Of these statements :

44478. Plate load test is useful to estimate

44479. In the figure shows two blocks of equal weights designated as W1 and W2 connected together by a rod and resting on an inclined plane whose angle α can be varied. The coefficients of friction between the blocks and the surface of the plane are μ1 = 0.2 and μ2 = 0.3. The value of angle α at which the slipping will commence is given by

44480. The most suitable type of equipment for compaction of cohesive soils is

44481. Ringelmann's scale is used to

44482. Consider the following statements :1. Obtaining reliable properties of soil is very important in geotechnical engineering. Chunksamples obtained from the field are the best for this purpose.2. Chunk samples may easily be obtained at all depths below ground level and for all types of soils.3. Undisturbed soil samples are enclosed in rugged containers. As such, they do not get disturbed easily during transportation and handling.Which of the statements given above is/are correct ?

44483. In a V-notch, an error of 1% in the measurement of head would constitute in the discharge measurement, an error of

44484. In a diamond riveting, for a plate of width land rivet diameter 'd' the efficiency of the joint is given by

44485. Shear strength of timber depends on which one of the following ?

44486. The number of independent conditions required to be satisfied for the adjustment of a braced quadrilateral in triangulation survey is

44487. In case of well foundation, grip length is defined as the

44488. The coefficient of linear expansion of granite is in the range of that of

44489. The optimistic, most likely and pessimistic time estimates of an activity are 5, 10 and 21 days respectively. What are the expected time and standard deviation respectively ?

44490. A fixed beam made of steel is shown in the figure. At collapse, the value of load P will be equal to :

44491. Consider the following statements :The use of relatively weak motor1. will accommodate movements due to loads, cracking if any and will be distributed as thin hair cracks which are less noticeable or harmful.2. will result in reduction of stresses due to differential expansion of masonry units.Of these statements :

44492. A stone dropped from the top of a tower is found to travel (5/9) of the height of the tower during the last second of its fall. What is the total time of fall ?

44493. Field vane shear is the appropriate field test for obtaining the shear strength of which one of the following ?

44494. A hydro-electric reservoir can supply water continuously at a rate of 100 m3/s. The head is 75 m. The theoretical power that can be developed is

44495. The structure shown in the given figure is stable if

44496. Flow happens at a critical depth of 0.5 m in a rectangular channel of 4 m width. What is the value of discharge ?

44497. Which one of the following statements is NOT correct ?

44498. A mild steel bar of square cross-section 40 mm x 40 mm is 400 mm long. It is subjected to a longitudinal tensile stress of 440 N/mm2 and lateral compressive stress is 200 N/mm2 in perpendicular directions. E = 2 x 10-5 N/mm2, μ = 0.3. What is the approximate elongation of tht bar in the longitudinal direction ?

44499. What are the values of tolerable CO concentration in residential area, for continuous exposure durations of 1 hour and 8 hours, respectively ?

44500. If the proportion of soil passing 75 micron sieve is 50% and the liquid limit and plastic limit are 40% and 20% respectively, then the group index of the soil is

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44451. A saturated clay layer with single drainage face takes 4 years to attain 50% degree of consolidation. If the clay layer had double drainage, then the time required to attain 50% degree of consolidation is (adsbygoogle = window.adsbygoogle || []).push({});