🚧 Civil Engineering Solved MCQs with Answers

Practice 1228 approved 🚧 Civil Engineering questions with verified answers from the 🛠️ Engineering Essentials subject for Pakistan exams.

1228 solved MCQs

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 :Answer: 2 3 1 4 5 The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :Answer: All the above. Which one of the following statements is not correct in respect of setting of an inclined tunnel:Answer: None the above. Forepoling method is generally adopted for tunnelling in :Answer: soft ground Concrete lining is provided concurrently with the driving operation in case ofAnswer: rock terrain Which one of the following statements is not correct with regard to heading and hench-ing method of tunnelling.Answer: Firing of head holes is done just before the bench holes are fired. Which one of the following methods is generally used for the layout of the muck-car tracksAnswer: All the above. 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 :Answer: 1 2 3 4 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 :Answer: 3 2 4 1 For full face method, the excavation to be done is generally divided intoAnswer: three sections The tunnels, the artificial underground passages are constructed for :Answer: All the above. In the wooded bulk-head, used for mucking in steep grade tunnels,Answer: two openings are provided Railway tunnels, are generallyAnswer: polycentric Pick up the explosive used for tunnelling in soft rocks from the following :Answer: ammonia dynamite For B.G. single track, the section of the tunnel must have a widthAnswer: 4.9 m to 5.5 m Which one of the following methods is generally adopted for tunnelling in firm groundAnswer: All the above. An overhead track on a large truss frame is required in case of car changer byAnswer: the grass hopper method Pick up the correct statement from the following:Answer: All the above. The length of the needle beam used in needle beam method of tunnelling is usuallyAnswer: 5 m to 6 m High pressure grouting is generally restored for concreting in the lining if the rock strata is:Answer: All of the above. For hauling muck from the tunnel, the following type of muck-car is used :Answer: All of these. Which one of the following methods is adopted for permanent drainage of tunnels :Answer: All the above. Pick up the excavation where measurements are made in square metres for payment.Answer: Both (b) and (c) The expected out turn of 2.5 cm cement concrete floor per manson per dayAnswer: 7.5 sqm The correct prismoidal formula for volume isAnswer: D/3 [first area + last area + 4 ∑ Even area + 2 ∑ odd areas] The order of booking dimensions isAnswer: Length, breadth, height As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is takenAnswer: All the above. Pick up the item of work not included in the plinth area estimateAnswer: Courtyard area. Pick up the correct statement from the following:Answer: All the above. The brick work is measured in sq metre, in case ofAnswer: All the above.