Description : For effective drainage, the finished surface of flat roof should have a minimum slope of (A) 1 in 20 (B) 1 to 50 (C) 1 in 10 (D) 1 in 5
Last Answer : Answer: Option A
Description : Reinforced concrete slab supported only on columns is said to be [ A ] Rigid slab [ B ] Flat slab [ C ] Both(a) and (b) [ D ] None of the above.
Last Answer : [ B ] Flat slab
Description : The maximum shear stress (q) in concrete of a reinforced cement concrete beam is (A) Shear force/(Lever arm × Width) (B) Lever arm/(Shear force × Width) (C) Width/(Lever arm × Shear force) (D) (Shear force × Width)/Lever arm
Description : The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is (A) 1400 kg/cm2 (B) 190 kg/cm2 (C) 260 kg/cm2 (D) 230 kg/cm
Description : Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced
Last Answer : Answer: Option D
Description : In the reinforced cement concrete structure, the steel reinforcement consists of . (a) Deformed bars (b) Cold twisted bars (c) Mildsteel and medium tensile steel bars (d) All of these
Last Answer : (d) All of these
Description : Reinforced cement concrete is equally strong in taking (a) Tensile and compressive stress (b) Compressive and shear stresses. (c) Tensile, compressive and shear stresses. (d) Tensile and shear stresses.
Last Answer : (c) Tensile, compressive and shear stresses.
Description : Specific weight of Reinforced cement concrete is [ A ] 24 N/m3 [ B ] 24 kN/m3 [ C ] 25 N/m3 [ D ] 25 kN/m3
Last Answer : [ D ] 25 kN/m3
Description : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 ... 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN
Last Answer : (C) 284 MN
Description : A short column 20 cm 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2 , the Safe load on ... should not exceed (A) 4120 kg (B) 41,200 kg (C) 412,000 kg (D) None of these
Last Answer : Answer: Option B
Description : In reinforced concrete footing on soil, the minimum thickness at edge should not be less than (A) 100 mm (B) 150 mm (C) 200 mm (D) 250 mm
Description : Cast iron detachable joint is used in __________ pipes. (A) Steel (B) Cast iron (C) Asbestos cement (D) Reinforced cement concrete
Last Answer : (A) Steel
Description : _________ pipe is the most suitable for carrying sanitary drainage. (A) Stainless steel (B) Reinforced cement concrete (C) Cast iron (D) Asbestos cement
Last Answer : C) Cast iron
Description : Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint. (A) Flanged iron (B) Collar (C) Flexible (D) Expansion
Last Answer : Option B
Description : The grade of concrete not recommended by I.S. : 456, is (A) M 100 (B) M 200 (C) M 300 (D) M 500
Last Answer : (D) M 500
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 : In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be (A) 10° (B) 15° (C) 20° (D) 30°
Description : If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is (A) 10° (B) 15° (C) 20° (D) 30°
Description : A ship strikes the berth generally at an angle (A) 90° with the face of the dock (B) 45° with the face of the dock (C) 30° with the face of the dock (D) 10° with the face of the dock
Last Answer : (D) 10° with the face of the dock
Description : The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is (A) 1 : 2 : 4 (B) 1 : 3 : 6 (C) 1 : 1½ : 3 (D) 1 : 1 : 2
Last Answer : (C) 1 : 1½ : 3
Description : If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is (A) M 100 (B) M 150 (C) M 200 (D) M 250
Description : The recommended value of modular ratio for reinforced brick work is (A) 18 (B) 30 (C) 40 (D) 58
Last Answer : (C) 40
Description : The concrete under water minimum grade of cement recommended by IS code a) M 10 b) M 15 c) M 20* d) M 25
Last Answer : c) M 20*
Description : A reinforcing slab, build monolithically with the supporting columns and is reinforced in two or more directions, without any provision of beams is called a (a) Two way slab (b) Flat slab (c) Continus slab (d) Cireulashion
Last Answer : (b) Flat slab
Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept (A) 0.7 (B) 0.8 (C) 0.9 (D) 0.6
Last Answer : Answer: Option C
Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6
Last Answer : (c) 0.9
Description : Mansard roof is a roof which slopes in (A) Two directions without break in the slope on each side (B) Two directions with break in the slope on each side (C) Four directions without break in the slope on each side (D) Four directions with break in the slope on each side
Description : The type of roof which slopes in two directions with a break in the slope on each side is known as (A) Gable roof (B) Hip roof (C) Gambrel roof (D) Mansard roof
Last Answer : Option C
Description : A reinforced concrete beam is assumed to be made of (A) Homogeneous material (B) Heterogeneous material (C) Isotropic material (D) None of these
Last Answer : (B) Heterogeneous material
Description : A pre-stressed concrete member (A) Is made of concrete (B) Is made of reinforced concrete (C) Is stressed after casting (D) Possesses internal stresses
Description : If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm
Description : The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2 , safe shear stress 5 kg/cm2 and B.M. 24 mt, (A) Is safe in shear (B) Is unsafe in shear (C) Is over safe in shear (D) Needs redesigning
Description : Steel beam theory is used for (A) Design of simple steel beams (B) Steel beams encased in concrete (C) Doubly reinforced beams ignoring compressive stress in concrete (D) Beams if shear exceeds 4 times allowable shear stress
Description : In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called (A) Under-reinforced section (B) Over reinforced section (C) Economic section (D) Critical section
Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 20 cm (B) 30 cm (C) 40 cm (D) 75 cm
Description : The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced section B) Economic section (C) Critical section (D) All the above
Description : The weight of reinforced concrete, is generally taken as (A) 2200 kg/m3 (B) 2300 kg/m3 (C) 2400 kg/m3 (D) 2500 kg/m
Description : A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm
Description : If the depth of actual neutral axis of a doubly reinforced beam (A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier (B) Is less ... critical neutral axis; the concrete and steel attain their maximum stresses simultaneously (D) All the above
Description : The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm
Description : A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one- ... beam, the number of shear stirrups required, is (A) 30 (B) 35 (C) 40 (D) 45
Description : In a singly reinforced beam (A) Compression is borne entirely by concrete (B) Steel possesses initial stresses when embedded in concrete (C) Plane sections transverse to the centre line ... Elastic moduli for concrete and steel have different values within the limits of deformation of the beam
Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm
Description : The advantage of reinforced concrete, is due to (A) Monolithic character (B) Fire-resisting and durability (C) Economy because of less maintenance cost (D) All the abov
Description : Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is (A) M 15 (B) M 20 (C) M 10 (D) M 25
Description : If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be (A) 0.35 d (B) 0.40 d (C) 0.45 d (D) Dependent on grade of concrete also
Description : In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively (A) Compressive and tensile (B) Tensile and compressive (C) Both compressive (D) Both tensile
Description : For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be (A) 0.75 - 0.80 (B) 0.80 - 0.85 (C) 0.85 - 0.92 (D) Above 0.92
Description : Expanded metal is (A) Manufactured from steel sheets (B) Used for reinforced concrete in road pavements (C) Measured in term of SWM (short way mesh) and LWM (long way mesh) (D) All the above
Description : For a reinforced concrete section, the shape of shear stress diagram is (A) Wholly parabolic (B) Wholly rectangular (C) Parabolic above neutral axis and rectangular below neutral axis (D) Rectangular above neutral axis and parabolic below neutral axis