29901. The following operations are required for tunnelling in rocky terrain :
1. Removing the foul gases
2. Marking the tunnel profile
3. Setting up and drilling
4. Checking misfire
5. Mucking
The correct sequence is :
29902. The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :
29903. Which one of the following statements is not correct in respect of setting of an inclined tunnel:
29904. Forepoling method is generally adopted for tunnelling in :
29905. Concrete lining is provided concurrently with the driving operation in case of
29906. The concentration of the dust particles of the size 0.5 to 5 microns adjacent to the working face should not be more than
29907. Which one of the following statements is not correct with regard to heading and hench-ing method of tunnelling.
29908. Which one of the following methods is generally used for the layout of the muck-car tracks
29909. For transferring the tunnel alignment through shafts, we adopt the following steps :
1. Hanging two or more plumb lines in the shaft
2. Determining the bearing of the plumb lines i.e. plumb plane
3. Suspending a 35 kg weight by each plumb line
4. Immersing the weights of both the plumb lines in the buckets containing water.
The correct sequence of steps is :
29910. For initial surveys of tunnels, the following activities are involved:
1. Marking portal point with concrete pillars on the ground
2. Marking tunnel obligatory points on the topographical maps
3. Preliminary setting of the tunnel on the topographical Survey of India maps
3. Driving lines between the fixed obligatory points.
The correct sequence of the activities is :
29911. For full face method, the excavation to be done is generally divided into
29912. The tunnels, the artificial underground passages are constructed for :
29913. In the wooded bulk-head, used for mucking in steep grade tunnels,
29914. Railway tunnels, are generally
29915. Pick up the explosive used for tunnelling in soft rocks from the following :
29916. The cut of a tunnel face is shown in given figure. This is called
29917. For B.G. single track, the section of the tunnel must have a width
29918. Which one of the following methods is generally adopted for tunnelling in firm ground
29919. An overhead track on a large truss frame is required in case of car changer by
29920. pKa of sulphacetamide:
29921. In the given figure drill holes, heading, mucking and benching are mumbered as 1, 2, 3, 4 The correct sequence is :
29922. The length of the needle beam used in needle beam method of tunnelling is usually
29923. High pressure grouting is generally restored for concreting in the lining if the rock strata is:
29924. For hauling muck from the tunnel, the following type of muck-car is used :
29925. Which one of the following methods is adopted for permanent drainage of tunnels :
29926. Which one of the following statements is not correct for heading and benching method of tunnelling ?
29927. The difference of heights of the tunnels above rail tops of BG and MG tracks is kept
29928. In case of drift method of tunnelling, the drift may be excavated at
29929. A tunnel is found more advantageous as compared to the alternate routes because it:
29930. For B.G. single track railway, the height of the tunnel above top of rails should be
29931. Drugs used to aid digestion in the git:
29932. Administration of expired tetracycline results:
29933. Metabolite of drug causes methemoglobinaemia:
29934. Progestins with androgenic effect:
29935. Supplement given for cancer patient who is under methotrexate therapy?
29936. 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
29937. The official language of the state of Jammu & Kashmir is?
29938. 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 ?
29939. 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 ?
29940. What is the use of a station pointer ?
29941. 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 ?
29942. According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ?
29943. 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
29944. 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
29945. 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.
29946. In the force system shown in the figure, the force CA should be
29947. 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
29948. 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
29949. The graphical condition for equilibrium of concurrent forces is that
29950. In a tilted aerial photograph, if the swing is 230°, then the rotation angle is equal to