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Q1. | The thickness of each leaf of a cavity wall shall not be less than |

A. | 5 cm [Wrong Answer] |

B. | 7.5 cm [Correct Answer] |

C. | 10 cm [Wrong Answer] |

D. | 15 cm [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than

Vt x height of shorter opening

Vt x height of longer opening

Ax height of shorter opening

Vi x height of longer opening

⇒ The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

vertical direction

horizontal direction

inclined direction

the direction in which the deflection is required

⇒ The fixed support in a real beam becomes in the conjugate beam a

roller support

hinged support

fixed support

free end

⇒ If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to

0 6

0.75

0.85

0.95

⇒ The timber floor not spanning on the masonry wall but properly anchored to the wall gives

lateral restraint but not rotational restraint

rotational restraint but not lateral restraint

both lateral and rotational restraints

neither lateral nor rotational restraint

⇒ In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always

zero

less than 1

1

greater than 1

⇒ When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

less than the left half span

whole of left half span

more than the left half span

whole span

⇒ The moment distribution method in structural analysis can be treated as

Force method

Displacement method

Flexibility method

None of these

⇒ For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is

0.15 MPa

0.125 MPa

0.1 MPa

0.075 MPa

⇒ For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

0.211 L

0.25 L

0.234 L

0.5 L

⇒ For masonry work with solid bricks, consistency of mortar should be

5 to 8 cm

9 to 13 cm

14 to 18 cm

19 to 23 cm

⇒ When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would

change from compression to tension

change from tension to compression

always be compression

always be tension

⇒ Select the correct statement

Flexibility matrix is a square symmetrical matrix

Stiffness matrix is a square symmetrical matrix

both (a) and (b)

none of the above

⇒ Bending moment at any section in a conjugate beam gives in the actual beam

slope

curvature

deflection

bending moment

⇒ If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

unstable

stable and statically determinate

stable and statically indeterminate

none of the above

⇒ Degree of kinematic indeterminacy of a pin-jointed plane frame is given by

2j - r

j - 2r

3j - r

2j + r

⇒ Maxwell's reciprocal theorem in structural analysis can be applied in

All elastic structures

Plastic structures

Symmetrical structures only

Prismatic element structures only

⇒ Which of the following will give higher ratio of brickwork strength to mortar strength ?

1 : % : 3

1 : Vz: 4>/2

1:1:6

1:2:9

⇒ The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of

1.2

1.4

1.6

2.0

⇒ Effects of shear force and axial force on plastic moment capacity of a structure are respectively to

increase and decrease

increase and increase

decrease and increase

decrease and decrease

⇒ Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is

3

5

7.5

10

⇒ Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

10 cm

15 cm

20 cm

30 cm

⇒ Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is

2

3

6

8

⇒ The fixed support in real beam becomes in the conjugate beam is

Fixed support

Hinged support

Roller support

Free support

⇒ The number of independent equations to be satisfied for static equilibrium in a space structure is

2

3

4

6

⇒ Weaker mortar. Of these statements

2 and 3 are correct

1 and 2 are correct

1 and 3 are correct

1, 2 and 3 are correct

⇒ Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be

more

less

the same in both the cases

100%

⇒ The Castigliano's second theorem can be used to compute deflections

in statically determinate structures only

for any type of structure

at the point under the load only

for beams and frames only

⇒ In plastic analysis the shape factor for a circular section is

1.5

1.6

1.7

1.75

⇒ In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as

sum of thickness of both leaves

two-third of the sum of thickness of both the leaves

actual thickness of the stronger leaf

larger of (b) and (c)