Advanced Structural Design Mid - I, September - 2014

1.One of the types of retaining wall is
  • Counterfort
  • Intze
  • cylindrical wall
  • waffle wall
Answer: A
2.The direction of pressure acts on toe of a retaining wall is
  • Upward
  • downward
  • right ward
  • left ward
Answer: A
3.Counterforts are treated as laterally intermediate supports for
  • Retaining wall
  • water tank
  • chimney
  • bunker
Answer: A
4.The shallow bins are also called as
  • Silos
  • bunkers
  • pedastals
  • chimneys
Answer: B
5.Cement is stored in
  • Bunker
  • frame
  • silo
  • lounge
Answer: C
6.When chimneys let away flue gasses of high temperatures to reduce thermal effects on chimney walls we use
  • Stone pitching
  • fire bricks lining
  • plastering
  • insulators
Answer: B
7.In water tank domes the hoop reinforcement is placed in direction of
  • Meridinal
  • circumferential
  • inclined to latitude
  • zigzag
Answer: B
8.Permisible stress for Fe415 steel in direct tension for water tank is _______
  • 115 MPa
  • 125 MPa
  • 150 MPa
  • 230 MPa
Answer: A
9.Stirrups are provided in ring beam of a Water tank to take care of
  • Torsion
  • shear
  • leakage
  • tension
Answer: B
10.The minimum cover to be provided for reinforcement on liquid faces is
  • 12mm
  • 15mm
  • 25mm
  • 40mm
Answer: C
11.The top dome of a water tank is hinged to the cylindrical wall by __________________
Answer: Shear key
12.The stem of a counterfort retaining wall acts as a __________ slab supported on counterforts
Answer: Continuous
13.When effect of wind loads are considered the permissible stress in the materials may be increased by __________________
Answer: 33.3%
14.In case of circular tanks, the walls are subjected to hoop tension with maximum value at ____________
Answer: Base
15.Intensity of wind pressure depends on ______________________ of the chimney
Answer: Height
16.The minimum grade of concrete for water retaining structures recommended by IS 456 2000 is _____________
Answer: M25
17.Grannular materials maintain relatively _____________ angle of repose when stored in bins
Answer: More
18.The angle of wall friction of a bin may be assumed to be __________________ during filling and _________________ during emptying
Answer: 0.75 and 0.6
19.The minimum thickness of the wall of a water tank is ________________
Answer: 200 mm
20._____________ is provided to ensure the fixidity of the wall to the bottom slab of the water tank
Answer: Hanuch