44251. For transferring the tunnel alignment through shafts, we adopt the following steps :1. Hanging two or more plumb lines in the shaft2. Determining the bearing of the plumb lines i.e. plumb plane3. Suspending a 35 kg weight by each plumb line4. Immersing the weights of both the plumb lines in the buckets containing water.The correct sequence of steps is :
44252. For initial surveys of tunnels, the following activities are involved:1. Marking portal point with concrete pillars on the ground2. Marking tunnel obligatory points on the topographical maps3. Preliminary setting of the tunnel on the topographical Survey of India maps3. Driving lines between the fixed obligatory points.The correct sequence of the activities is :
44253. For full face method, the excavation to be done is generally divided into
44254. The tunnels, the artificial underground passages are constructed for :
44255. In the wooded bulk-head, used for mucking in steep grade tunnels,
44256. Railway tunnels, are generally
44257. Pick up the explosive used for tunnelling in soft rocks from the following :
44258. The cut of a tunnel face is shown in given figure. This is called
44259. For B.G. single track, the section of the tunnel must have a width
44260. Which one of the following methods is generally adopted for tunnelling in firm ground
44261. An overhead track on a large truss frame is required in case of car changer by
44262. pKa of sulphacetamide:
44263. In the given figure drill holes, heading, mucking and benching are mumbered as 1, 2, 3, 4 The correct sequence is :
44264. The length of the needle beam used in needle beam method of tunnelling is usually
44265. High pressure grouting is generally restored for concreting in the lining if the rock strata is:
44266. For hauling muck from the tunnel, the following type of muck-car is used :
44267. Which one of the following methods is adopted for permanent drainage of tunnels :
44268. Which one of the following statements is not correct for heading and benching method of tunnelling ?
44269. The difference of heights of the tunnels above rail tops of BG and MG tracks is kept
44270. In case of drift method of tunnelling, the drift may be excavated at
44271. A tunnel is found more advantageous as compared to the alternate routes because it:
44272. For B.G. single track railway, the height of the tunnel above top of rails should be
44273. Drugs used to aid digestion in the git:
44274. Administration of expired tetracycline results:
44275. Metabolite of drug causes methemoglobinaemia:
44276. Progestins with androgenic effect:
44277. Supplement given for cancer patient who is under methotrexate therapy?
44278. A soil has a liquid limit of 45% and lies above the A-line when plotted on a plasticity chart. The group, symbol of the soil as per Soil Classification is
44279. A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice ?
44280. For total reaction time of 2.5 seconds, coefficient of friction 0.35, design speed 80 km/h, what is the stopping sight distance on a highway ?
44281. What is the use of a station pointer ?
44282. The plastic modulus of a section is 5 x 10-4m3. Its shape factor is 1.2 and the plastic moment capacity is 120 kNm. What is the value of the yield stress of the material ?
44283. According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ?
44284. The absolute maximum Bending Moment in a simply supported beam of span 20 m due to moving udl of 4 t/m spanning over 5 m is
44285. The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems :1. Tarred gasket or hemp yarn in wrapped around the spigot.2. The sipgot end is centered into the socket end of the preceding pipe.3. A joining ring end is placed around the barrel and against the face of the socket.4. The gasket or hemp yarn in caulked slightly.5. Molten pig lead is poured and then caulked.The correct sequence of these steps is
44286. Consider the following statements :A : In masonry, bricks are joined together by cement mortar.B : Cement mortar adheres more effectively to brick surface than any other material.
44287. In the force system shown in the figure, the force CA should be
44288. A cylindrical shell made of mild steel plate of 100 cm diameter is to be subjected to an internal pressure of 10 kg/cm2. If the material yields at 2000 kg/cm2, assuming factor of safety as four and using maximum principal stress theory, thickness of the plate will be
44289. A plot of land 60°m x 20 m is measure steel tape. If the standard error of length width measurements is taken as ± 1 cm, the standard error of the area of the plot be
44290. The graphical condition for equilibrium of concurrent forces is that
44291. In a tilted aerial photograph, if the swing is 230°, then the rotation angle is equal to
44292. A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm2. The bursting pressure (in kg/cm2) is
44293. Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction ?1. Number of stress cycles2. The frequency, and amplitude of vibration of waves generated by an earthquake3. Characteristics of sand4. Relative densitySelect the correct answer using the codes given below :
44294. The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is
44295. The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel Ixx be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to
44296. The shear force diagram of a beam is shown in the given figure. The absolute maximum bending moment in the beam is
44297. A locomotive has four pairs of driving wheels carrying an axle load of 24 x 104 N. The maximum load that can be pulled if the coefficient of friction is 1/6, is
44298. A bar of circular cross-section of diameter D is subjected to a torque T at B as shown in the figure given. What is the angle of twist at A?
44299. Consider the following statements regarding Plane Table surveying : 1. It is less accurate than chain surveying. 2. It is not necessary to do accurate centering of plane table for small scale survey.3. Compass rule may be made use for adjusting the plane table transverse.4. From the instrument station, resectors are drawn to plot the position of object in the field. Of these statements :
44300. A pin-jointed tower truss is loaded as shown in the given figure. The force induced in the member DF is
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