Description : A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. (A) H/3 (B) H/2 (C) 2H/3 (D) 3H/4
Last Answer : Answer: Option C
Description : Back fill with a sloping surface exerts a total active pressure Pa on the wall of height H and acts at (A) H/4 above the base parallel to base (B) H/2 above the base parallel to base (C) H/3 above the base parallel to base (D) H/5 above the base parallel to base
Description : A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant ... inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17
Last Answer : (C) 12°
Description : If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is (A) 0.3 H (B) 0.4 H (C) 0.5 H (D) 0.7 H
Last Answer : Answer: Option D
Description : In a cantilever retaining wall without a heel slab (A) Thickness of the stem is kept same throughout (B) Base slab is made 10 cm thicker than the stem (C) Width of the base slab is kept 0.7 time the total height of the wall (D) All the above
Description : The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is (A) Not needed (B) Provided equally on inner and front faces (C) Provided more on inner face than on front face (D) Provided more on front face than on inner face
Description : Hydrodynamic pressure due to earthquake acts at a height of (A) 3H/4 above the base (B) 3H/4 below the water surface (C) 4H/3 above the base (D) 4H below the water surface, where H is the depth of water.
Description : A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) (A) wH (B) wH/2 (C) wH2 /2 (D) wH2 /3
Description : The total active earth pressure due to dry back fill with no surcharge, acts at H/3 above the base of the wall and is directly proportional to (A) H (B) H (C) H 2 (D) H 3
Last Answer : (C) H
Description : The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on (i) Top face parallel to the wall (ii) Top face perpendicular to the wall (iii) Bottom face parallel to the wall (iv) ... (i) and (ii) are correct (C) (iii) and (iv) are correct (D) Only (iv) is correct
Description : The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) (A) wH/2 (B) wH (C) wH2 /2 (D) wH2 /4
Description : To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than (A) b/3 (B) b/4 (C) b/5 (D) b/6
Description : An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is (A) Wa/h (B) Wa/2h (C) 2W/ha (D) 2h/W
Last Answer : (B) Wa/2h
Description : In retaining and breast walls, weep holes are provided at (A) 50 cm vertical height and 50 cm centre to centre horizontally (B) 100 cm vertical height and 100 cm centre to centre horizontally ... cm centre to centre horizontally (D) 120 cm vertical height and 100 cm centre to centre horizontally
Description : A failure wedge develops if a retaining wall (A) Moves away from the backfill (B) Moves towards the backfill (C) Sinks downwards (D) Stresses equally by vertical and horizontal forces
Last Answer : Answer: Option A
Description : The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is (A) Vertical if the soil is in an active state of plastic equilibrium (B) Vertical if the ... state of plastic equilibrium (C) Inclined at 45° to the vertical plane (D) None of the above
Description : The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on (A) Top face perpendicular to wall (B) Bottom face perpendicular to wall (C) Both top and bottom faces perpendicular to wall (D) None of these
Description : In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top ... ) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)
Description : In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on (A) Front face only (B) Inner face only (C) Both front face and inner face (D) None of the above
Description : In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort ... (B) (ii) and (iii) (C) (i) and (iv) (D) (iii) and (iv)
Description : The thickness of base slab of a retaining wall generally provided, is (A) One half of the width of the stem at the bottom (B) One-third of the width of the stem at the bottom (C) One fourth of the width of the steam at the bottom (D) Width of the stem at the bottom
Description : Pick up the correct statement from the following: (A) The artificial barrier constructed to enclose "n area for safe anchorage, is called break water (B) The smoothened surface at the top end of ... fending (C) The effective berthing lengths of inclined guays can be adjusted (D) All the above
Last Answer : (D) All the above
Description : The C.G. of a right circular solid cone of height h lies at the following distance from the base (A) h/2 (B) J/3 (C) h/6 (D) h/4
Last Answer : (D) h/4
Description : The toe projection of foundation slabs is taken (A) As one third of the base (B) As one sixth of overall height of the wall (C) Equal to heel slab (D) Below ground surface
Description : he lateral earth pressure on a retaining wall (A) Is equal to mass of the soil retained (B) Proportional to the depth of the soil (C) Proportional to the square of the depth of the soil (D) Proportional to the internal friction of the soil
Last Answer : (D) Proportional to the internal friction of the soil
Description : Pick up the correct definition from the following: (A) The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil (B ... the back fill, is known as 'earth pressure at rest of the soil (D) All the above
Description : If"w" is weight of a retaining wall and is the horizontal earth pressure, the factor of safety against sliding, is (A) 1.0 (B) 1.25 (C) 1.5 (D) 2.0
Description : The dock wall is designed as a gravity retaining wall and is tested for (A) Back fill pressure when the dock is empty (B) Maximum water pressure from the dock without any back fill (C) The load charge ... to the dock by the movement of loaded vehicles or trains on the way (D) All of the above
Last Answer : (D) All of the above
Description : Pick up the incorrect statement from the following: (A) The retaining wall should be structurally capable to resist the applied earth pressure (B) The section of the retaining wall should be so ... off water from the earth retained, weep holes are provided near the top of the retaining wall
Description : The equation of a parabolic arch of span and rise , is given by (A) y = h/l² × (1 - x) (B) y = 2h/l² × (1 - x) (C) y = 3h/l² × (1 - x) (D) y = 4h/l² × (1 - x)
Last Answer : (D) y = 4h/l² × (1 - x)
Description : Choose the wrong statement (A) The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface (B) The horizontal component ... above the area (D) The vertical component passes through the center of pressure of the volume
Description : The design of a retaining wall assumes that the retained earth (A) Is dry (B) Is free from moisture (C) Is not cohesive (D) All the above
Description : The Base Of A Retaining Wall?
Last Answer : >Retaining wallA retaining wall has several benefits for your home, and it does not take long to build one if you follow a few simple steps. You can hire someone to build a wall for you, or you can ... checking to see if the stones are level as you continue to lay the stones on top of each other.
Description : In counterfort type retaining walls (i) The vertical slab is designed as a continuous slab (ii) The heel slab is designed as a continuous slab (iii) The vertical slab is designed as a cantilever (iv) The heel slab is designed ... (ii) (B) (i)and(iv) (C) (ii) and (iii) (D) (iii) and (iv)
Description : If S denotes the area of the curved surface of a right circular cone of height h end semi-vertical angle a, then S equals -Maths 9th
Last Answer : answer:
Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above
Description : G is the centroid of ΔABC with height h units. If a line DE parallel to BC cuts ΔABC at a height h/4 from BC, find the distance GG' in terms of AG -Maths 9th
Description : When H is the flight height, R is the appropriate radial measure and d is the relief displacement, the vertical height of an object appearing on an aerial photograph is
Last Answer : dH/R
Description : Which of the following type of sea walls results in greatest protection of shore structures? (A) Vertical sea wall (B) Sea wall with batter (C) Stepped sea wall (D) Sea wall with concave face
Last Answer : (D) Sea wall with concave face
Description : In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on (A) The front face in one direction (B) The front face in both directions (C) The inner face in one direction (D) The inner face in both directions
Description : In counterfort retaining walls, the main reinforcement in the stem at support is (A) Not provided (B) Provided only on inner face (C) Provided only on front face (D) Provided both on inner and front faces
Last Answer : Answer: Option B
Description : Cantilever retaining walls can safely be used for a height not more than (A) 3 m (B) 4 m (C) 5 m (D) 6 m
Description : A masonry dam (density = 20,000 N/m3 ) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be (A) 75 N/m2 (B) 750 N/m2 (C) 7500 N/m2 (D) 75000 N/m
Last Answer : (C) 7500 N/m
Description : The cement, widely used in retaining walls, is (a) R.H.C (b) L.H.C (c) S.R.C. (d) O.P.C.
Last Answer : (b) L.H.C
Description : The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5
Description : Pick up the incorrect statement from the following: (A) In the stem of a retaining wall, reinforcement is provided near the earth side (B) In the toe slab of a retaining wall, reinforcement is ... slab of a retaining wall, reinforcement is provided at the top of the slab (D) None of these
Description : The design of heel slab of a retaining wall is based on the maximum bending moment due to: (A) Its own weight (B) Weight of the soil above it (C) Load of the surcharge, if any (D) All the above
Description : Parapet walls along hill roads, are provided (A) To retain the back filling (B) To prevent the hill from sliding (C) To prevent the wheels of the vehicle from coming on the retaining wall (D) None of these
Description : The wall constructed for the stability of an excavated portion of a road on the hill side, is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) All the above
Description : The wall constructed for the stability of a back filling portion of a road on the downhill side, is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) All the above