Multi Option Question Page 886

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You Are On Multi Choice Question Bank SET 886

44301. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity ?

44302. A particle of mass 3 kg moving in a straight line decelerates uniformly from a speed of 40 m/s to 20 m/s in a distance of 300 m. Before it comes to rest, it will travel a further distance pf

44303. For designing end bearing piles of square cross-section in clays having average unconfmed compressive strength of 6 t/m2, the net ultimate bearing capacity may be taken as

44304. The side AD of the square block ABCD as shown in the given figure is fixed at the base and it is under a state of simple shear causing shear stress τ and shear strain π, where The distorted shape is AB'C'D. The diagonal strain (linear) will be

44305. Consider the following statements :Collision diagram is used to1. study accident pattern2. eliminate accidents3. determine remedial measures4. make statistical analysis of accidentsOf these statements :

44306. Consider the following statements :1. An ascending gradient of 1 in 100 meets an ascending gradient of 1 in 120 to form a Valley curve.2. A falling gradient of 1 in 25 meets a falling gradient of 1 in 50 to form a summit curve.3. The length of summit curve is determined on the basis of head light sight distance.Which one of the statements given above is/are correct ?

44307. The rectangular block shown in the given figure is subjected to pure shear to intensity 'q'. If BE represents the i principal plane and the principal stresses are σ1, σ2 ; then the values of θ, σ1 and σ2 will be respectively.

44308. The maximum energy stored at elastic limit of a material is called

44309. If the pressure carried by a CBR specimen at 2.5 mm penetration is 3.5 N/mm2, the CBR of the soil is

44310. Activated sludge is the

44311. Which are the critical activities of the bar chart shown above ?

44312. What is the effective height of a free-standing masonry wall for the purpose of computing slenderness ratio ?

44313. To generate 10, 000 hp under a head of 81 m while working at a speed of 500 rpirt, the turbine of choice would be

44314. Consider the following statements :Sand in mortar is needed for1. decreasing the quantity of cement.2. reducing shrinkage.3. decreasing the surface area of the binding material.4. increasing the strength.Of these statements :

44315. The given figure shows gradually varied flow in an open channel with a beak in bed slope. Types of water surface profiles occurring from left to right are

44316. Consider the following strengths of concrete :1. Cube strength2. Cylinder strength3. Split-tensile strength4. Modulus of ruptureThe correct sequence in decreasing order of these strengths is

44317. A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is

44318. Consider the following methods of preservation of timber :1. Dipping2. Brushing or spraying3. Pressure impregnationThe correct sequence in decreasing order of the effectiveness of these methods of preservation is

44319. Purlins are provided, in industrial buildings, over roof trusses to carry dead loads, live loads and wind loads. As per IS code, what are they assumed to be ?

44320. Ratio of bearing capacity of double Under Reamed (U.R.) pile to that of single U.R. pile is nearly

44321. A soil has a bulk density of 1.80 g/cm3 at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be

44322. The base width of a soil gravity dam is 25 m. The material of the dam has a specific gravity of 2.56 and the dam is designed as an elementary profile ignoring uplift. What is the approximate allowable height of the dam ?

44323. In a gusseted base, when the end of the column is machined smooth for complete bearing, the axial load is transferred to base slab :

44324. Which of the following assumptions are made in the analysis of jet impinging normally on a moving plate?1. Friction between jet and plate is neglected2. Flow is steady3. Momentum of jet is unchanged4. Plate moves at a constant velocityChoose the correct answer using the codes given below :

44325. A 3000 m long line lying at an elevation of 450 m measures 10 cm on a vertical photograph.The focal length of the camera is 21 cm. The scale of the photograph for the area having an elevation of 1000 m will be

44326. While driving a large number of piles in loose sand :

44327. Surface tension of water when in contact with air is 0.0737 N/m. The difference of pressure between the inside and outside of a droplet of rain water 1 mm in diameter is nearly equal to

44328. The upstream slope of an earth dam under steady seepage condition is

44329. What are the magnitudes of horizontal and vertical support reactions, respectively at support. A of the frame shown in figure below ?

44330. Consider the following statements :Shrinkage of concrete depends upon the1. relative humidity of the atmosphere.2. passage of time.3. applied stress.Which of these statements is/are correct ?

44331. Consider the following statements :Wind rose diagram is used for the purpose of1. runway orientation.2. estimating the runway capacity3. geometric design of holding apron.Of these statements :

44332. The discharge per metre width at the foot of a spillway is 10 m3/s at a velocity of 20 m/s. A perfect free hydraulic jump will occur at the foot of the spillway when the tail water depth is approximately equal to

44333. Which one of the following is the appropriate triaxial test to assess the immediate stability of an unloading problem, such as an excavation of a clay slope ?

44334. A mild steel flat subjected to a tensile force of 84 tonnes is connected to a gusset plate using rivets. If the forces required to shear a single rivet, to crush the rivet and to tear the plate per pitch length are 5000 kg, 8000 kg and 6000 kg respectively, then the number of rivets required is

44335. What does the confining pressure used in triaxial compression tests on an undisturbed soil sample represent ?

44336. The distance between two bench marks is 1000 m. If during levelling, the total error due to collimation, curvature and refraction is found to be + 0.120 m, then the magnitude of the collimation error is

44337. Mercury (density = 13600 kg/m3, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance?

44338. Which one of the following is considered to be an advantage of the heading and benching method of tunes construction ?

44339. In a close-coiled helical spring subjected to an axial load, other quantities remaining the same, if the wire diameter is doubled, then the stiffness of the spring when compared to the original one, will become

44340. The plastic section modulus of a rectangular section of width 100 mm and depth 12 mm is

44341. Consider the following factors pertaining to flow through soil:1. Hydraulic gradient2. Grain size3. Void ratio4. Cross-sectional area of the sample.Of these, the factors affecting permeability include

44342. In drawing AOA networks and making time computations, the following processes are involved :1. Activity listing2. Work breakdown structure3. Activity time allotment4. Consideration of available resources for each activity5. Activity dependencies6. Float computations7. Backward path computation8. Project duration9. Forward path computationWhat is the correct sequence of the processes given above ?

44343. Timber can be made more fire resistant by

44344. Which one of the following is correct in respect of the influence line for the bending moment at one-fourths of the span from left support of a prismatic beam simply supported at ends ?

44345. Consider the following statements :In a uni-dimensional stress system, the principal plane is defined as one on which the 1. shear stress is zero. 2. normal stress is zero.3. shear stress is maximum. 4. normal stress is maximum. Of these statements :

44346. Which one of the following pairs relating to flumes carrying open channel flow is correctly matched ?

44347. A cylindrical vessel with a constant plane area of 1 m2 is rotated about its vertical axis such that the liquid inside the vessel is about to spill. If the height of the vessel is 2 m and the height of the paraboloid at 1 m, then the volume (in m3) of the liquid in the vessel will be

44348. Consider the following statements with reference to oxidation ponds :1. They require high initial investments2. They have low operational cost3. They are also called stabilization ponds.Which of the statements given above are correct ?

44349. The length, coefficient of thermal expansion and Young's modulus of bar 'A' are twice that of bar 'B'. If the temperature of both bars is increased by the same amount while preventing any expansion, then the ratio of stress developed in bar A to that in bar B will be

44350. A constant angle arch dam when compared to a constant radius arch dam utilizes concrete quantity of about

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44301. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity ? (adsbygoogle = window.adsbygoogle || []).push({});