An R.C.C. roof slab is designed as a two way slab if (A) It supports live loads in both directions (B) The ratio of spans in two directions is less than 2 (C) The slab is continuous over two supports (D) The slab is discontinuous at edges

An R.C.C. roof slab is designed as a two way slab if
(A) It supports live loads in both directions
(B) The ratio of spans in two directions is less than 2
(C) The slab is continuous over two supports
(D) The slab is discontinuous at edges
by

1 Answer

Answer :

Answer: Option B
by

Related questions

If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) w1/w2 = l2/l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)

Description : If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) ... l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)

Last Answer : Answer: Option D

When a slab is continuous over several spans, negative (i.e. hogging ) bending moment is induced over the (a) End supports (b) Intermediate supports (c) Both (a) & (b) (d) Non of the

Description : When a slab is continuous over several spans, negative (i.e. hogging ) bending moment is induced over the (a) End supports (b) Intermediate supports (c) Both (a) & (b) (d) Non of the

Last Answer : (b) Intermediate supports

When the slab is supported on all the four edges and the ratio of long span to short span is small, bending takes place along both the spans, such a slab is known as (a) Slab spanning in one direction (b) One way slab. (c) Slab spanning in two direction. (d) Two-way slab.

Description : When the slab is supported on all the four edges and the ratio of long span to short span is small, bending takes place along both the spans, such a slab is known as (a) Slab spanning in one direction (b) One way slab. (c) Slab spanning in two direction. (d) Two-way slab.

Last Answer : (d) Two-way slab.

If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by (A) (5/6) (r/1 + r²) M (B) (5/6) (r²/1 + r²) M (C) (5/6) (r²/1 + r3 ) M (D) (5/6) (r²/1 + r4 ) M

Description : If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by (A) (5/6) (r/1 + r²) M (B) (5/6) (r²/1 + r²) M (C) (5/6) (r²/1 + r3 ) M (D) (5/6) (r²/1 + r4 ) M

Last Answer : Answer: Option D

The reinforcement in a continuous slab is provided (a) At the top of the slab portion over the intermediate supports. (b) At the bottom of the slab portion over the intermediate supports. (c) All the middle of the slab portion over the intermediate supports (d) All the above

Description : The reinforcement in a continuous slab is provided (a) At the top of the slab portion over the intermediate supports. (b) At the bottom of the slab portion over the intermediate supports. (c) All the middle of the slab portion over the intermediate supports (d) All the above

Last Answer : (a) At the top of the slab portion over the intermediate supports.

If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by (A) 0.2 (B) 0.3 (C) 0.4 (D) 0.5

Description : If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by (A) 0.2 (B) 0.3 (C) 0.4 (D) 0.5

Last Answer : Answer: Option D

A two way slab (a) May be simply supported on the four edges, with comers not held down and carrying uniformly distributed load. (b) May be simply supported on the four edge , with corners held down and carrying uniformly distributed load. (c) May have edges fixed or continuous and carrying uniformly distributed load. (d) All the above.

Description : A two way slab (a) May be simply supported on the four edges, with comers not held down and carrying uniformly distributed load. (b) May be simply supported on the four edge , with corners held ... . (c) May have edges fixed or continuous and carrying uniformly distributed load. (d) All the above.

Last Answer : (d) All the above.

Pick up the correct statement from the following: (A) The roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads (B) The beams of multi-storeyed buildings rest on girders and are the main load transferring members to the columns (C) The slab is spanned across the secondary beams provided between the main beams (D) All of these

Description : Pick up the correct statement from the following: (A) The roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads (B) The beams of multi-storeyed ... slab is spanned across the secondary beams provided between the main beams (D) All of these

Last Answer : Answer: Option D

Negative yield line form i. Near the supports in the case of slabs fixed or continuous at the edge. ii. At mid span in the case of slabs fixed. iii.At mid span for simply supported circular slab [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Description : Negative yield line form i. Near the supports in the case of slabs fixed or continuous at the edge. ii. At mid span in the case of slabs fixed. iii.At mid span for simply supported circular slab [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Last Answer : [ A ] i

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

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

Which one of the following activities is not correct as applicable to brick corbels? (A) The maximum projection of the corbel should not be more than the thickness of the wall (B) The maximum projection of each corbel course should be limited to a quarter brick at a time (C) The discontinuous corbels are used to carry heavy concentrated loads (D) Stretcher bond is generally used for the construction of brick corbel

Description : Which one of the following activities is not correct as applicable to brick corbels? (A) The maximum projection of the corbel should not be more than the thickness of the wall (B) The ... to carry heavy concentrated loads (D) Stretcher bond is generally used for the construction of brick corbel

Last Answer : Answer: Option D

Couple roof is used for spans (A) 3.5 m or less (B) 3.5 m but less than 5 m (C) 5 m but less than 6.5 m (D) 6.5 m but less than 8 m

Description : Couple roof is used for spans (A) 3.5 m or less (B) 3.5 m but less than 5 m (C) 5 m but less than 6.5 m (D) 6.5 m but less than 8 m

Last Answer : Answer: Option A

The slab is designed as one way if the ratio of long span to short span is (A) Less than 1 (B) Between 1 and 1.5 (C) Between 1.5 and 2 (D) Greater than 2

Description : The slab is designed as one way if the ratio of long span to short span is (A) Less than 1 (B) Between 1 and 1.5 (C) Between 1.5 and 2 (D) Greater than 2

Last Answer : Answer: Option D

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 as a cantilever The correct answer is (A) (i) and (ii) (B) (i)and(iv) (C) (ii) and (iii) (D) (iii) and (iv)

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)

Last Answer : Answer: Option A

Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory (A) (wx /wy ) = (ly /lx ) (B) (wx/wy) = (ly/lx)² (C) (wx /wy ) = (ly /lx )4 (D) None of these

Description : Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory (A) (wx /wy ) = (ly /lx ) (B) (wx/wy) = (ly/lx)² (C) (wx /wy ) = (ly /lx )4 (D) None of these

Last Answer : Answer: Option C

Select the incorrect statement (A) The loss of pre-stress is more in pre-tensioning system than in post-tensioning system. (B) Pre-tensioning system has greater certainty about its durability. (C) For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pre-tensioning system (D) None of the above

Description : Select the incorrect statement (A) The loss of pre-stress is more in pre-tensioning system than in post-tensioning system. (B) Pre-tensioning system has greater certainty about its durability. (C ... or bridges, post-tensioning system is cheaper than pre-tensioning system (D) None of the above

Last Answer : Answer: Option D

For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory (A) Is always less than 1 (B) Is always greater than 1 (C) Can be more than 1 (D) Can be less than 1

Description : For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory (A) Is always less than 1 (B) Is always greater than 1 (C) Can be more than 1 (D) Can be less than 1

Last Answer : Answer: Option A

The three moments equation is applicable only when (A) The beam is prismatic (B) There is no settlement of supports (C) There is no discontinuity such as hinges within the span (D) The spans are equal

Description : The three moments equation is applicable only when (A) The beam is prismatic (B) There is no settlement of supports (C) There is no discontinuity such as hinges within the span (D) The spans are equal

Last Answer : (C) There is no discontinuity such as hinges within the span

If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than (A) WL/12 (L - 2D/3)² (B) WL/10 (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

Description : If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span ... (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

Last Answer : Answer: Option C

The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is (A) 25 (B) 30 (C) 35 (D) 40

Description : The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is (A) 25 (B) 30 (C) 35 (D) 40

Last Answer : Answer: Option C

The maximum ratio of span to depth of a slab simple supported and spanning in two directions, is (a) 25 (b) 30 (c) 35 (d) 40

Description : The maximum ratio of span to depth of a slab simple supported and spanning in two directions, is (a) 25 (b) 30 (c) 35 (d) 40

Last Answer : (c) 35

According to IS: 456-2000, the span/overall depth ratio for a continuous two-way slab in order to control deflection is given by [ A ] 20 [ B ] 28 [ C ] 32 [ D ] 40

Description : According to IS: 456-2000, the span/overall depth ratio for a continuous two-way slab in order to control deflection is given by [ A ] 20 [ B ] 28 [ C ] 32 [ D ] 40

Last Answer : [ C ] 32

The basic value of span to depth ratio for one way continuous slab is [ A ] 20 [ B ] 26 [ C ] 35 [ D ] 40

Description : The basic value of span to depth ratio for one way continuous slab is [ A ] 20 [ B ] 26 [ C ] 35 [ D ] 40

Last Answer : [ B ] 26

A Hybrid Bayesian network contains ___________ a) Both discrete and continuous variables b) Only Discrete variables c) Only Discontinuous variable

Description : A Hybrid Bayesian network contains ___________ a) Both discrete and continuous variables b) Only Discrete variables c) Only Discontinuous variable

Last Answer : a) Both discrete and continuous variables

A Hybrid Bayesian network contains  Both discrete and continuous variables  Only Discontinuous variable  Both Discrete and Discontinuous variable  Continous variable only.

Description : A Hybrid Bayesian network contains  Both discrete and continuous variables  Only Discontinuous variable  Both Discrete and Discontinuous variable  Continous variable only.

Last Answer :  Both Discrete and Discontinuous variable

For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9

Description : For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9

Last Answer : Answer: Option D

Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to resist a sagging bending moment near mid-span. (c) When the slab is built into a brick or masonry wall the slab should be designed to resist a hogging moment at the face of the support. (d) All of the above.

Description : Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to ... be designed to resist a hogging moment at the face of the support. (d) All of the above.

Last Answer : (d) All of the above.

Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by (A) Rankine formula (B) Marcus formula (C) Rankine Grashoff formula (D) Grashoff formula

Description : Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by (A) Rankine formula (B) Marcus formula (C) Rankine Grashoff formula (D) Grashoff formula

Last Answer : Answer: Option C

If the sides o a slab simply supported on its edges and spanning in two way are equal, then the maximum bending moment is multiplied by. (a) 0.25 (b) 0.50 (c) 0.75 (d) 0.85

Description : If the sides o a slab simply supported on its edges and spanning in two way are equal, then the maximum bending moment is multiplied by. (a) 0.25 (b) 0.50 (c) 0.75 (d) 0.85

Last Answer : (b) 0.50

When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: w) discontinuous x) abrupt y) quantized z) noncontinuous

Description : When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: w) discontinuous x) abrupt y) quantized z) noncontinuous

Last Answer : ANSWER: Y -- QUANTIZED

When the nurse auscultates chest sounds that are harsh and cracking, sounding like two pieces of leather being rubbed together, she records her finding as a) pleural friction rub. A pleural friction rub is heard secondary to inflammation and loss of lubricating pleural fluid. b) crackles. Crackles are soft, high-pitched, discontinuous popping sounds that occur during inspiration. c) sonorous wheezes. Sonorous wheezes are deep, low-pitched rumbling sounds heard primarily during expiration. d) sibilant wheezes. Sibilant wheezes are continuous, musical, high-pitched, whistle-like sounds heard during inspiration and expiration.

Description : When the nurse auscultates chest sounds that are harsh and cracking, sounding like two pieces of leather being rubbed together, she records her finding as a) pleural friction rub. A ... wheezes are continuous, musical, high-pitched, whistle-like sounds heard during inspiration and expiration.

Last Answer : a) pleural friction rub. A pleural friction rub is heard secondary to inflammation and loss of lubricating pleural fluid.

A steam and condensate system represents a _____ loop. • Discontinuous • Continuous • None of the above • All of the above

Description : A steam and condensate system represents a _____ loop. • Discontinuous • Continuous • None of the above • All of the above

Last Answer : • Continuous

Identify the necessary condition for fixed beam a. bending to be as single continuous curve b.bending to be as double continuous curve c.bending to be as discontinuous curve d.bending to be as multiple continuous curve

Description : Identify the necessary condition for fixed beam a. bending to be as single continuous curve b.bending to be as double continuous curve c.bending to be as discontinuous curve d.bending to be as multiple continuous curve

Last Answer : a. bending to be as single continuous curve

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

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

In a two way slab flexural bending develops [ A ] Along short span [ B ] Along long span [ C ] In Mutually perpendicular directions [ D ] At the center of short span

Description : In a two way slab flexural bending develops [ A ] Along short span [ B ] Along long span [ C ] In Mutually perpendicular directions [ D ] At the center of short span

Last Answer : [ C ] In Mutually perpendicular directions

When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these

Description : When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these

Last Answer : Answer: Option C

A slab simply supported on the four edges, with corners not held down and carrying uniformly distributed load, is used in (a) Singly storeyed buildings. (b) Double storeyed buildings. (c) Multi storeyed buildings (d) All the above

Description : A slab simply supported on the four edges, with corners not held down and carrying uniformly distributed load, is used in (a) Singly storeyed buildings. (b) Double storeyed buildings. (c) Multi storeyed buildings (d) All the above

Last Answer : (a) Singly storeyed buildings.

The columns of multi-storeyed buildings are designed to withstand the forces due to (A) Dead loads (B) Live loads (C) Wind loads (D) All of these

Description : The columns of multi-storeyed buildings are designed to withstand the forces due to (A) Dead loads (B) Live loads (C) Wind loads (D) All of these

Last Answer : Option D

An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus (A) Triangular load of the wall (B) UDL of wall (C) UDL of wall + load from the roof (D) Triangular load + load from the roof

Description : An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be ... (B) UDL of wall (C) UDL of wall + load from the roof (D) Triangular load + load from the roof

Last Answer : Answer: Option C

Which of the following is not a characteristic feature of yield lines? [ A ] Yield lines end at a slab boundary [ B ] Yield lines are of parabolical shape [ C ] Axes of rotation generally lie along the lines of supports [ D ] None of the above.

Description : Which of the following is not a characteristic feature of yield lines? [ A ] Yield lines end at a slab boundary [ B ] Yield lines are of parabolical shape [ C ] Axes of rotation generally lie along the lines of supports [ D ] None of the above.

Last Answer : [ B ] Yield lines are of parabolical shape

In cement concrete pavements, tensile stress is due to: (A) Bending or deflection under wheel loads (B) Difference in temperature of the top and bottom of pavement (C) Contraction of slab during falling temperature (D) All the above

Description : In cement concrete pavements, tensile stress is due to: (A) Bending or deflection under wheel loads (B) Difference in temperature of the top and bottom of pavement (C) Contraction of slab during falling temperature (D) All the above

Last Answer : Answer: Option D

Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below: (A) Both A and R is true and R is the correct explanation of A (B) Both A and R is true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true

Description : Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below: (A) Both A ... explanation of A (C) A is true but R is false (D) A is false but R is true

Last Answer : Answer: Option A

According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is (A) Half of the width of the slab (B) Two-third of the width of the slab (C) Three-fourth of the width of the slab (D) Four-fifth of the width of the slab

Description : According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is ... (C) Three-fourth of the width of the slab (D) Four-fifth of the width of the slab

Last Answer : Answer: Option C

The slab is said to be orthotropically reinforced , when the reinforcement is arranged in; [ A ] Single direction [ B ] Two directions at right angles with equal meshes [ C ] Two directions at right angles with unequal meshes [ D ] At the corners only

Description : The slab is said to be orthotropically reinforced , when the reinforcement is arranged in; [ A ] Single direction [ B ] Two directions at right angles with equal meshes [ C ] Two directions at right angles with unequal meshes [ D ] At the corners only

Last Answer : [ C ] Two directions at right angles with unequal meshes

The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called (A) Ridge board (B) Hip rafter (C) Eaves board (D) Valley rafte

Description : The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called (A) Ridge board (B) Hip rafter (C) Eaves board (D) Valley rafte

Last Answer : Answer: Option A

The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is (A) 3.290 m (B) 3.300 m (C) 3.275 m (D) 2.790 m

Description : The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is (A) 3.290 m (B) 3.300 m (C) 3.275 m (D) 2.790 m

Last Answer : (B) 3.300 m

Consider the following activities in a building construction: 1. Concreting of roof slabs 2. Brick-jelly lime concrete terracing 3. Erection of form work for slab 4. Construction of parapet wall in terrace The correct sequence of these activities is (A) 1, 3, 2, 4 (B) 3, 1, 4, 2 (C) 3, 1, 2, 4 (D) 1, 3, 4, 2

Description : Consider the following activities in a building construction: 1. Concreting of roof slabs 2. Brick-jelly lime concrete terracing 3. Erection of form work for slab 4. Construction of parapet wall in terrace The correct sequence of these ... (B) 3, 1, 4, 2 (C) 3, 1, 2, 4 (D) 1, 3, 4, 2

Last Answer : (C) 3, 1, 2, 4

A continuous beam is simply supported on its one or both the end supports the fixing moment on simply supported beam end is a. zero b. infinite c. neglected in calculation d. multiplied by a cross over factor in calculation

Description : A continuous beam is simply supported on its one or both the end supports the fixing moment on simply supported beam end is a. zero b. infinite c. neglected in calculation d. multiplied by a cross over factor in calculation

Last Answer : a. zero

Taper rolling supports a) Axial loads b) Thrust loads c) Both axial and thrust loads d) None of the mentioned

Description : Taper rolling supports a) Axial loads b) Thrust loads c) Both axial and thrust loads d) None of the mentioned

Last Answer : c) Both axial and thrust loads

If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept (A) 4.5 m (B) 4.0 m (C) 3.5 m (D) 3.0 m

Description : If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept (A) 4.5 m (B) 4.0 m (C) 3.5 m (D) 3.0 m

Last Answer : Answer: Option A