Civil Engineering Interview Questions

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As per thumb rule cement required per 1 cum of M20 concrete is 411Kg/cum(1.57/5.5=0.285cum of cement i.e 0.285*1440=411Kg).But as per PWD rate analysis cement required is 347Kg/cum.the difference is 64Kg.This kind of difference is coming every grade of concrete.Can you give perfect suggestion regarding this.

What all are important things keep in mind while designing and executing the water storage tank works?

Design a built-up column carrying an axial load of 1200 KN. Its length is 8m and it is effectively held in position at both ends and restrained against rotation at one end. Assume yield stress of 250 mpa

691) Design a gussetted base for a column section consisting of one sc 250 with two cover plates 300 x 25 mm carrying an axial load of 2500 KN. The S.B.C. of soil is 250 KN/m2 and the permissible bearing pressure on concrete is 4000 KN.

689Design a cantilever slab to carry a live load of 2000 N/m2. The overhang of the slab is 1.20m. b) A slab over a room is 4.75m x 4.75m. The edges of the slab are simply supported and the corners are not held down. The live load an the slab is 300 Kg/m2. The slab has a bearing of 15cm. On the supporting walls. Design the slab as per Rankine - Grashoff theory. Assume weight of R.C.C. = 2400 Kg/m2.

1306A doubly reinforced concrete beam is 25 cm wide and 50cm deep to the centre of tension reinforcement. The centre of compression is steel is 5cm from the compression edge. The areas of the compression and the tension steel are 10.16cm2 and 12.56 cm2 if m=18 and the bending moment at the section is 7,000,000 N-cm. Calculate the stress in concrete and steel.

695Design a reinforced concrete combined footing (rectangular) for two columns located 3.60 metres apart. The overall sizes of the columns are 40cm x 40cm and 69cm x 60cm and the loads on them are 1000 kn and 1500 kn respectively. The space available for the width of the footing is restricted to 180cm. The S.B.C. of the soil is 280 kn/mm2 use M15 concrete.

1252Design a cantilever type retaining wall to retain sand for 4m above the ground. The sand fall slopes at the rate of 1 vertical to 2 horizontal. The weight of sand is 18000 N/m3, the angle of repose being 30. The safe bearing capacity of the soil is 200 kn/m2 at 1/25m below the ground level. Use m 15 concrete mix.

1441Design an underground tank of internal dimensions 6m x 3m x 3m. The soil surrounding the tank always remains dry. The tank shall be provided with a roof slab. The soil weighs 16000 N/m3 having an angle of repose of 30.

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Un-Answered Questions { Civil Engineering }

If a slab concrete is placed with M-20 grade concrete, actually it has to be placed with M-30. what are the rectifications / measures to be taken after concreting is done.

if a pipe those configuration (ASTM c 76 class b 450mm dia 2500mm length) fixing for water course those lining of water is 7000 running meter. my question is that if 8 joints of pipe ls leakage and we have not permission to stop the water so which treatment we apply on joint in that in condition.

what is the metal ratio in granular subbase coarse for one cum ? And please explain the morth table ...what is the difference between grading 1 , 2, 3 what it means..plz explain

how to find hardness of water?why it should be determined?

20 mpa what is the quantity of cement sand and aggregate in one cubic meter of pcc non rainforcement concreate kindly answer including formaula thanks

how to find out hard strata in bored pile when the DMC method adopted.

1)What is the total volume of aggregates required for 1cu.mtr.solid hard concrete? 2)What is total mass of wet concrte and dry concrete after 28 days of M25? 3) Is 28 days strength is the final strength of concrete or it gets increasing as the time period increses.? 4)What is the volumetric proportion of concrete grade of M25.M30,M35,M40

CAST EFFECTIVE WATER SUMP CONSTRUCTION DETAIL

how much quantity of 1.5" nails and 2.5" nails are required for conventional formwork shuttering?

pls send me interview question paper with answer of EIL/AAI/UPSC/RPSC because i am doing prepration of compitation exam of UPSC for the Asst. Executive Engineer

in the construction of residential building what type of tank are used?where?why & what is its purpose?

please what is the number of bars required for a column of 6mx6m and 450mmx300mm,its a commercial building (Church)

What will you do if a portion of load bearing wall collapses under your supervision?

I have to conduct load test on greting cover, pressure gauge is in kg cm2, how to caluculate load on this greting cover.

IS THERE ANY JOBS FOR THOSE WHO ARE IN FINAL YAER OF ENGINEERING(CIVIL) IN MUMBAI