civil engineering Mcqs
1701. 60 R rails are mostly used in__________________?
comments icon0
A. Metre Gauge

B. Narrow Gauge

C. Broad Gauge

D. none of the above

1702. The three moments equation is applicable only when___________________?
comments icon0

A. there is no settlement of supports

B. the beam is prismatic

C. there is no discontinuity such as hinges within the span

D. the spans are equal

1703. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is___________________?
comments icon0
A. 10.21m

B. 8.84 m

C. 10.82 m

D. 6.10 m

1704. Width of ballast section for Broad Gauge is_________________?
comments icon0

A. 2.25 m

B. 4.30 m

C. 1.83 m

D. 3.35 m
1705. The normal time required for the completion of project in the above problem is_______________?
comments icon0

A. 19 days

B. 14 days

C. 13 days

D. 9 days

1706. The cross-sectional area of 52 kg flat footed rail is_________________?
comments icon0

A. 6155 mm2

B. 6615 mm2

C. 7235 mm2

D. 7825 mm2

1707. The direct cost of a project with respect to normal time is________________?
comments icon0

A. infinite

B. zero

C. minimum

D. maximum

1708. In the critical path method of construction planning, Free Float can be_____________?
comments icon0

A. greater than Independent Float

B. less than Independent Float. Of these statements</strong>

C. greater than Total Float.

D. sider the following statements ?

E. equal to Total Float.

1709. The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________?
comments icon0

A. 10%

B. 25%

C. 5%

D. 15%
1710. The reception signal is__________________?
comments icon0

A. outer signal

B. advanced starter

C. home signal

D. correct answer is?

E. ) starter

1711. Stretcher bar is provided________________?
comments icon0

A. to permit lateral movement of the tongue rail

B. to ensure exact gauge at the toe of the switch as well as the nose of crossing

C. to maintain the two tongue rails at the exact distance

D. to prevent any vertical movement between the wing rail and nose of crossing

1712. Which of the following is not a PERT event ?
comments icon0

A. sessional work completed

B. bus starts from Jaipur

C. class is being attended

D. site investigation started

1713. For a given size of bucket, the ideal output of a dragline will be least in_______________?
comments icon0
A. Wet sticky clay

B. Sand and gravel

C. Good common earth

D. Moist loam

1714. As per ICAO, for A, B, and C type of airports, maximum effective, transverse and longitudinal grades in percentage respectively are______________?
comments icon0

A. 2.0, 2.0 and 2.0

B. 1.5, 1.5 and 2.0

C. 1.0, 1.5 and 2.0

D. 1.0, 1.5 and 1.5
1715. The nominal size of ballast used for points and crossings is___________________?
comments icon0

A. 50 mm

B. 40 mm

C. 10mm

D. 25 mm
1716. The steepest gradient permissible on a 2.5 curve for Broad Gauge line having ruling gradient of 1 in 200 is___________________?
comments icon0

A. 1 in 222

B. 1 in 235

C. 1 in 250

D. 1 in 275

1717. An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilisation factor is 0.5, then the capacity of the gate will be___________________?
comments icon0

A. 16 aircrafts per hour

B. 1 aircraft per hour

C. 2 aircrafts per hour

D. 4 aircrafts per hour
1718. Select the correct statement ?
comments icon0
A. The body centrode rolls on the space centrode

B. The space centrode rolls on the body centrode

C. Both body and space centrodes may role on each other

D. The body centrode never touches space centrode

1719. For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal________________?
comments icon0

A. ) of a flexibility matrix must be positive

B. of a stiffness matrix must be positive

C. of a flexibility matrix must be negative</strong>

D. correct answer is

E. of a stiffness matrix must be negative

1720. What is the correct sequence of the following events of construction of a shaft in rock ?
comments icon0

A. mucking</strong>

B. pumping

C. drilling and blasting

D. timbering

1721. A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?
comments icon0

A. could invest in either of the two projects

B. should invest in project B

C. should invest in project A

D. should invest in neither of the two projects
1722. Crash project duration is obtained by summing the________________?
comments icon0

A. crash durations for all activities

B. normal durations for all the activities

C. crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities

D. crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities

1723. Economic saving of time results by crashing_________________?
comments icon0

A. costliest critical activity

B. cheapest non-critical activity

C. cheapest critical activity

D. costliest non-critical activity

1724. A rigid-jointed plane frame is stable and statically determinate if_______________?
comments icon0

A. (m + r) = 3j

B. (m + 3r) = 3j

C. re m is number of members, r is reaction components and j is number of joints

D. (3m + r) = 3j

E. (m + r) = 2j

1725. In the network shown in Fig. (15 fig) the latest start time of an activity 4-5 is_________________?
comments icon0

A. 7

B. 8

C. 2

D. 4
1726. The sleepers resting directly on girder are fastened to the top flange of girder by________________?
comments icon0

A. fang bolts

B. dog spikes

C. rail screws

D. hook bolts
1727. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?
comments icon0

A. decrease and increase

B. increase and increase

C. decrease and decrease

D. increase and decrease

1728. A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be________________?
comments icon0
A. 4.23 years

B. 3.7 years

C. 7.87 years

D. 5 years

1729. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is___________________?
comments icon0

A. none of the above

B. cast iron anti creep bearing plate

C. mild steel canted bearing plate

D. flat mild steel bearing plate

1730. Assertion A : When rock conditions are favorable, it will not be necessary to take up concrete lining concurrently with the driving operations till the full length of the tunnel has been driven through rock. Reason R : A tunnel through rock, hard or soft, does not need any concrete lining________________?
comments icon0

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

1731. If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?
comments icon0

A. expected time of activity A is greater than the expected time of activity B

B. expected time of activity B is greater than the expected time of activity A

C. expected time of both activities A and B are same

D. none of the above

1732. Moist sand may contain surface water by mass upto__________________?
comments icon0

A. 5.00%

B. 7.50%

C. 1.25%

D. 2.5%
1733. For excavating utility trenches with precise control of depth, the excavation equipment used is_______________?
comments icon0

A. Shovel

B. None of the above

C. Dragline

D. Hoe
1734. The degree of kinematic indeterminacy of a pin-jointed space frame is_____________?
comments icon0

A. j-2r

B. 3j-r

C. 2j-r

D. j-3r

E. re j is number of joints and r is reaction components

1735. During the construction period, price variation clause in contracts caters to__________________?
comments icon0
A. variation in cost in materials element, labour element and petrol-oil-lubricant element

B. variation in total cost of the project on an ad hoc basis

C. increase in rates of only important materials

D. rate of inflation

1736. In time-cost optimization of a project, crashing is done____________?
comments icon0

A. on all the activities

B. on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

C. only on activities lying on the orginal critical path and having flatter cost slopes

D. on all the activities lying on the critical path

1737. Pick up the correct statement for the web stiffeners?
comments icon0

A. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange

B. all the above

C. d is the distance between flange angles or the clear distance between flanges

D. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d

1738. To ensure exact gauge, the gauge tie plates are provided at_________________?
comments icon0

A. toe of the switch

B. nose of crossing

C. both (A) and (B)

D. none of the above

1739. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is__________________?
comments icon0

A. 0.25 L

B. 0.5 L

C. 0.211 L

D. 0.234 L

1740. Drifters can be used to drill_________________?
comments icon0

A. horizontal or up holes

B. only down holes

C. only up holes

D. horizoral, down or up holes
1741. Which of the following types of sleepers is preferred on joints ?
comments icon0

A. concrete sleeper

B. wooden sleeper

C. CST-9 sleeper

D. steel trough sleeper

1742. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is_______________?
comments icon0

A. 1455

B. 783

C. 552

D. 1352

1743. In full face method of constructing tunnels, the first operation relates to______________?
comments icon0
A. excavation being done along the periphery

B. removal of bottom portion

C. removal of top portion

D. excavation of one drift in the centre

1744. Free float is mainly used to_________________?
comments icon0

A. identify the activities which can be delayed without affecting the total float of preceding activity

B. establish priorities

C. identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities

D. identify the activities, which can be delayed without affecting the total float of succeeding activity
1745. Which of the following methods of tunneling is used for long tunnels at great depths ?
comments icon0

A. Army method

B. Needle beam method

C. Austrian method

D. English method

1746. A good blast with a good yield is obtained if the cut hole is___________________?
comments icon0
A. inclined at 45 to the face

B. normal to face

C. inclined at 30 to the face

D. inclined at 15 to the face

1747. The rail is designated by its__________________?
comments icon0

A. cross-section

B. length

C. weight per unit length

D. weight

1748. Zero fuel weight of an aircraft is_________________?
comments icon0

A. equal to maximum landing weight

B. less than empty operating weight

C. equal to sum of empty operating weight and the maximum pay load

D. equal to empty operating weight

1749. The area under the Beta distribution curve is divided into two equal parts by_______________?
comments icon0

A. optimistic time

B. most likely time

C. expected time

D. pessimistic time

1750. What estimate would you give for the variance in above problem ?
comments icon0
A. 81

B. 9

C. 36

D. 54