civil engineering Mcqs
1601. The slipping of driving wheels of locomotives on the rail surface causes_______________?
comments icon0

A. corrugation of rails

B. hogging of rails

C. scabbing of rails

D. wheel burns
1602. A deep well_________________?
comments icon0

A. is always deeper than a shallow well

B. has more discharge than a shallow well

C. is weaker structurally than a shallow well

D. both (A) and (B)

1603. As per Laceys theory, the silt factor is_________________?
comments icon0

A. not related to average particle size

B. directly proportional to square root of average particle size

C. inversely proportional to average particle size

D. directly proportional to average particle size

1604. avoidance of block instruments 4. higher operating cost Of these statements_____________________?
comments icon0
A. 2 and 3 are correct

B. I and 2 are correct

C. 1 and 4 are correct

D. 3 and 4 are correct

1605. The bending moment in an arch is proportional to___________________?
comments icon0

A. vertical ordinate of the arch

B. intercept between the arch axis and the funicular polygon

C. vertical ordinate of funicular polygon

D. none of these

1606. Pandrol clips cannot be used with__________________?
comments icon0

A. concrete sleepers

B. steel trough sleepers

C. CST-9 sleepers

D. wooden sleepers

1607. Normally maximum cant permissible in Meter Gauge is__________________?
comments icon0

A. 165 mm

B. 75 mm

C. 140 mm

D. 90 mm
1608. A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?
comments icon0

A. 6 7i

B. 8TC

C. 4

D. 8

1609. An ordinate in a funicular polygon represents__________________?
comments icon0

A. resultant force

B. equilibrium

C. shear force

D. bending moment
1610. The water stored in the reservoir below the minimum pool level is called_______________?
comments icon0

A. valley storage

B. dead storage

C. useful storage

D. surcharge storage

1611. Anti creep bearing plates are provided on_________________?
comments icon0

A. bridges and approaches

B. joints

C. both (A) and (B)

D. none of the above
1612. Which of the following spillways is least suitable for an earthen dam ?
comments icon0

A. chute spillway

B. ogee spillway

C. side channel spillway

D. shaft spillway

1613. S-hydrograph is used to obtain unit hydrograph of________________?
comments icon0

A. shorter duration from longer duration

B. longer duration from shorter duration

C. both (A) and (B)

D. none of the above

1614. Switch angle is the angle between___________________?
comments icon0

A. the gauge face of the stock rail and outer face of the tongue rail

B. the gauge face of the stock rail and tongue rail

C. the outer face of the stock rail and tongue rail

D. the outer face of the stock rail and the gauge face of the tongue rail

1615. The following is in unstable equilibrium__________________?
comments icon0

A. a uniform solid cone resting on a generator on a smooth horizontal plane

B. a solid cube resting on one edge

C. a satellite encircling the earth

D. a uniform solid cone resting on its base on a horizontal plane

1616. Infiltration rate is always________________?
comments icon0

A. more than the infiltration capacity

B. equal to or more than the infiltration capacity

C. equal to or less than the infiltration capacity

D. less than the infiltration capacity

1617. Which of the following turnouts is most commonly used for goods train on Indian Railways ?
comments icon0

A. 1 in 16

B. 1 in 8/2

C. 1 in 20

D. 1 in 12

1618. The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called_________________?
comments icon0

A. equivalent moisture

B. pellicular water

C. soil moisture deficiency

D. hygroscopic water

1619. The most suitable material for the central impervious core of a zoned embankment type dam is_______________?
comments icon0

A. coarse sand

B. clay mixed with fine sand

C. clay

D. silty clay

1620. A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?
comments icon0

A. ellipse

B. catenary

C. cycloid

D. parabola
1621. A unit hydro graph has one unit of_______________?
comments icon0

A. discharge

B. rainfall excess

C. rainfall duration

D. time base of direct runoff

1622. 52 kg rails are mostly used in__________________?
comments icon0
A. Broad Gauge

B. Meter Gauge

C. Narrow Gauge

D. both (A) and (B)

1623. An aggrading river is a_________________?
comments icon0
A. silting river

B. scouring river

C. both silting and scouring river

D. neither silting nor scouring river

1624. A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first ?
comments icon0

A. sphere with greater rotational energy at bottom than cylinder

B. sphere with lesser rotational energy at bottom than cylinder

C. cylinder with greater rotational energy at bottom than sphere

D. both reach the bottom simultaneously with equal rotational energy at bottom

1625. The unit of rotational inertia of a body in C.G.S system is________________?
comments icon0

A. cm4

B. gm-cm2

C. kg-cm2

D. gm-cm3

1626. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?
comments icon0

A. heel divergence

B. flangeway clearance

C. none of the above

D. throw of the switch
1627. A land is known as waterlogged_________________?
comments icon0

A. when the permanent wilting point is reached

B. when gravity drainage has ceased

C. capillary fringe reaches the root zone of plants

D. none of the above

1628. The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000) will be________________?
comments icon0

A. 4 Q m3/sec

B. 2 Q m3/sec

C. 0.5 Q mVsec

D. V2 Q m3/sec

1629. The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?
comments icon0
A. 25 m3/sec

B. 30 m3/sec

C. 20 3/sec

D. 35 m3/sec

1630. If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that______________?
comments icon0
A. demand cannot be met by inflow

B. reservoir was not full at the beginning

C. both (A) and (B)

D. none of the above

1631. A runoff river plant_________________?
comments icon0

A. has no pondage at all

B. is suitable only on a perennial river

C. is a medium head scheme

D. generates power during peak hours only

1632. Instantaneous center is at infinity when the angular velocity is _________________?
comments icon0
A. zero

B. minimum

C. maximum

D. constant

1633. A river training work is generally required when the river is_______________?
comments icon0

A. aggrading type

B. degrading type

C. meandering type

D. both (A) and (B)

1634. A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If <j) index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is___________________?
comments icon0
A. 6.0 cm

B. 9.0 cm

C. 7.5 cm

D. 4.5 cm

1635. A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes____________________?
comments icon0

A. 2E

B. 4E

C. E

D. E/2

1636. Horizontal acceleration due to earthquake results in______________?
comments icon0

A. hydrodynamic pressure

B. inertia force into the body of the dam

C. both (A) and (B)

D. none of the above

1637. The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?
comments icon0

A. parallel and at right angle to weir crest

B. parallel to weir crest in both

C. at right angle to weir crest in both

D. at right angle and parallel to weir crest
1638. For a 8 curve track diverging from a main curve of 5 in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and G = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)______________________?
comments icon0

A. 7.768 cm

B. 7.432 cm

C. 0.168 cm

D. -0.168 cm
1639. If the R.Ls of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be________________?
comments icon0

A. superpassage

B. aqueduct

C. syphon

D. syphon aqueduct

1640. Instantaneous unit hydrograph is a hydrograph of________________?
comments icon0

A. correct answer is?

B. infinitely small rainfall excess</strong>

C. unit rainfall excess

D. infinitely small duration

E. unit duration
1641. The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be__________________?
comments icon0
A. more than 100 mm

B. none of the above

C. 100 mm

D. less than 100 mm

1642. A multipurpose reservoir is the one which is_________________?
comments icon0

A. designed for one purpose but serves more than one purpose

B. planned and constructed to serve various purposes

C. both (A. and (B.

D. none of the above

1643. If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?
comments icon0

A. 45

B. 120

C. 60

D. 30

1644. The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are__________________?
comments icon0

A. 2

B. infinity

C. zero

D. 1

1645. The net speed under which the turbine reaches its peak efficiency is called_________________?
comments icon0

A. rated speed

B. operating speed

C. gross speed

D. design speed
1646. If the angular distance, 0 = 2t3 3t2, the angular acceleration at t = 1 sec. is__________________?
comments icon0

A. 4 rad/sec2

B. 1 rad/sec2

C. 12 rad/sec2

D. 6 rad/sec2
1647. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is_________________?
comments icon0

A. elastic spike

B. dog spike

C. round spike

D. rail screw

1648. When a body slides down an inclined surface, the acceleration of the body is given by__________________?
comments icon0

A. g cos 6

B. gsinG

C. g

D. g tan 6

1649. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is________________?
comments icon0

A. 19

B. 20

C. 21

D. 18

1650. A force P of 50 N and another force Q of unknown magnitude act at 90 to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?
comments icon0

A. 60 N

B. 100 N

C. 80 N

D. 120 N