Saturday 18 May 2019

Asstt.Prof (Civil Engg.)

Q.No: 21 The Camber for hill roads in case of bituminous surfacing is adopted as
A 2%
B 4%
C 3%
D 2.5%

Q.No: 22 The shrinkage of a soil that has a density of 5200 kg/m3 naturally and 7500 kg/m3 when compacted is most nearly
A 70%
B 90%
C 0%

D 30%

Q.No: 23 Free float for any activity is defined as the difference between
A its earliest finish time and earliest start time for its successor activity.
B its latest start time and earliest start time for its successor activity.
C its latest finish time and earliest start time for its successor activity.

D its earliest finish time and latest start time for its successor activity.

Q.No: 24 The minimum cover in a slab should neither be less than the diameter of bar nor less than
A 25 mm
B 15 mm
C 13 mm
D 10 mm

Q.No: 25 A concrete basement wall extends below the water table as shown in the following illustration. The total lateral pressure against the wall at a point 2.4 m below the surface is most
nearly

A 13.58 kPa
B 33.93 kPa
C 25.35 kPa
D 2.6 kPa

Q.No: 26 A store property has an 8.0 ha asphalt parking lot with a runoff coefficient of 0.85, a 2.0 ha building roof with a runoff coefficient of 0.75, and 1.5 ha of lawn with a runoff coefficient of
0.20. The time of concentration for the watershed is 30 min. A 30 min, 20-year storm with an intensity of 80 mm/h occurs. The peak runoff for the store property is most nearly
A 2.55 m3/s
B 0.50 m3/s
C 0.75m3/s
D 1.91 m3/s

Q.No: 27 The y-coordinate (measured (from the top) of the centroid for the T-shaped beam is

A 0.16 m
B 0.30 m
C 0.38 m

D 0.08 m

Q.No: 28 A return period of 100 years means
A the event is expected only after 100 years
B occurrence of an event at least once in every 100 years on an average
C record of the maximum observed flood in the past 100 years

D the event is to come on every 100th year

Q.No: 29 The sum of tread and rise must lie between
A 40 to 45cm
B 30 to 35cm
C 50 to 60cm
D 60 to 65cm


Q.No: 30 Number of vertical joints in stretcher course is x times the number of joints in the header course, where x is equal to
A 0.25
B 0.5
C 1.0
D 2.0


Q.No: 31 Eutrophication of water bodies is caused by the
A excessive discharge of nutrients
B excessive discharge of suspended solids
C excessive discharge of chlorides
D discharge of toxic substances


Q.No: 32 The design requirements for a section of highway with a 1.5% grade are as follows: design speed = 80 km/h; coefficient of friction = 0.35; driver reaction time = 2.0 s; driver eye height =
1.2 m; object (to be avoided) height = 0.2 m. The downhill design braking distance for this highway is most nearly
A 120 m
B 100 m
C 45 m
D 75m


Q.No: 33 Which of the following sections is the most efficient for a simply supported gantry girder?
A I-section with a channel attached to the top flange
B I-section with equal flanges
C I-section with a wide bottom flange
D I-section with a heavy plate connected to the bottom flange

Q.No: 34 Match List I with List II and select the most appropriate answer using the codes given below the lists:






















Q.No: 35 What will be the power transmitted by a hollow circular shaft of external diameter 60 mm and internal diameter 40 mm, rotating at 1200 rpm, if the maximum shear stress is not to
exceed 100 MPa.?
A 427.4 kW
B 25645 kW
C 854.8 kW
D 213.7 kW

Q.No: 36 Match List I with List II and select the most appropriate answer using the codes given below the lists:




















Q.No: 37 Alternate depth of flow in a channel are
A at which the total energy remains same
B the depths at which the specific energy is the same
C at which the discharge per unit width remains the same
D the depths at which the specific force is the same


Q.No: 38 A sewage sample having initial D.O. of 10 mg/l is incubated for 5 days at 20oC. The final D.O. found after 5 days was 2 mg/l. If sewage is diluted to 1%, the BOD5 of the given sewage
sample would be
A 8 mg/1
B 800 mg/1
C 100 mg/1
D 10 mg/1


Q.No: 39 Multiplication of safe bearing capacity and a suitable factor of safety is
A gross bearing capacity
B allowable bearing pressure
C net bearing capacity
D ultimate bearing capacity


Q.No: 40 If a structure is statically indeterminate to the second degree, then the minimum number of plastic hinges required for complete collapse of structure would be
A 0
B 1
C 2
D 3


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