Saturday 18 May 2019

Asstt.Prof (Civil Engg.)

Q.No: 61 The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
A compressive stress
B bond stress
C tensile stress
D shear stress

Q.No: 62 In working stress method, the ratio of allowable bond stress in deformed bars to that of plain bars is about
A 1.4
B 1.6
C 1.2
D 1.3

Q.No: 63 Depression storage when expressed as % of storm rainfall
A increases with increase in storm rainfall
B decreases with increase in storm rainfall
C independent of storm rainfall
D none of these

Q.No: 64 The magnitude of the vertical reaction force at Support A on the following illustration is most nearly
A 10 kN
B 1.25 kN
C 20 kN
D 2.5 kN

Q.No: 65 In the time-cost optimization, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having
A longest duration
B least cost slope
C shortest duration
D highest cost slope

Q.No: 66 A steel lintel has a modulus of elasticity of 2.0 x1011 Pa. The lintel is subjected to a strain of 8.9 x 10-3 m/m. The area of the lintel is 0.0206 m2. What is most nearly the compressive force applied to the lintel?
A 36.6 MN
B 73.2 MN
C 1.78 kN
D 1.78 MN

Q.No: 67 By over-reinforcing the section in tension, the moment of resistance of beam can be increased by not more than
A 10%
B 12%
C 25%
D 18%

Q.No: 68 A steel rail was installed when its temperature was 5°C (L= 20.0 m, A= 60X 10-4 m2). The rail was installed without allowance for expansion and the ends were constrained by adjacent
rails. The coefficient for linear expansion is 11.7 x 10-6 per 0C. What is the compressive force in the rail
at 25°C?
A 291.8 kN
B 285.6 kN
C 295.6 kN
D 280.8 kN

Q.No: 69 A constant-head permeameter is shown. The soil is homogeneous, isotropic, and saturated. The pressure head at point B in the soil sample is most nearly
A 6.33 m
B 6.75 m
C 6.00 m

D 6.67 m

Q.No: 70 A proposed landfill is to be 400 m x 200 m in plan area and 25 m deep. The average daily filling pattern is expected to be 15mx10mx3m deep, and the daily cover to be used is 0.2 m
thick. Assume that the landfill will be operational every week from Monday through Friday. The projected life of the landfill is most nearly
A 23 Years
B 16 Years
C 20 Years
D 17 Years

Q.No: 71 Honey-Combed structure can only occurs in soils of
A silt & rock flour
B gravel
C particle size lesser than 0.001 mm
D particle size greater than 0.02 mm

Q.No: 72 The basic purpose of a retarder in concrete is
A to improve the work ability of concrete mix
B to decrease the initial setting time of cement paste in concrete
C to increase the initial setting time of cement paste in concrete
D to render the concrete more water tight

Q.No: 73 Water flows through a 30.0 cm inside diameter pipe at an initial velocity of 1.9 m/min. The pipe diameter subsequently reduces to 15.0 cm before discharging into an open channel. The
discharge velocity is most nearly
A 7.5 m/min
B 9.3 m/min
C 1.9 m/min
D 8.6 m/min

Q.No: 74 A housing development has a population of 20000 people. The average sewage flow for the development is 8000 m3/d. The estimated peak sewage flow for this housing development
is most nearly
A 32000 m3/d
B 8000 m3/d
C 27200 m3/d
D 16000 m3/d

Q.No: 75 A highway used for evening commuters experiences peak hour traffic of 3500 passenger equivalent vehicles per hour between 5:00 p.m. and 6:00 p.m. The traffic during the 15-minute
segments is
5:00 p.m.-5:15 p.m.---650 vehicles
5:15 p.m.-5:30 p.m.---920 vehicles
5:30 p.m.- to 5:45 p.m.---1l40 vehicles
5:45 p.m.- to 6:00 p.m.---790 vehicles
Most nearly, what is the peak hour factor?

A 0.77
B 1.3
C 0.30
D 1.7

Q.No: 76 A driver with a reaction time of 0.5 second is driving a car down a 5% grade at 89 km/h when a deer runs into the road 0.04 km in front of the car. The road is dry with a coefficient of
friction of f = 0.7. The distance the car travels from the moment the deer appears until the car comes to a stop is no less than
A 0.06 km
B 004 km
C 0.01 km
D 0.03 km

Q.No: 77 A centrifugal pump lifts groundwater 100 m vertically to a surface storage tank at a rate of 0.25 m3/S. The pump has a 75% efficiency. The power required to drive this pump is most
nearly
A 245 kW
B 184 kW
C 500 kW
D 327 kW

Q.No: 78 Any wall or partition which does not extend upto ceiling termed as
A Dwarf wall
B Blank wall
C Party wall

D Curtain wall

Q.No: 79 The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as
A catchwater drain
B cross drain
C sloping drain
D side drain

Q.No: 80 Vane shear test is useful for measuring the shear strength of
A very soft clays
B hard clays
C sandy soil
D coarse grained soil

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