When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that___________________?

the head of the load reaches the section

the tail of the load reaches the section

the load position should be such that the section divides it equally on both sides

the load position should be such that the section divides the load in the same ratio as it divides the

When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?

the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration

the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

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 tension to compression

change from compression to tension

change from tension to compression

To generate the j the column of the flexibility matrix________________?

a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

a unit force is applied at coordinate j and the displacements are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

a unit force is applied at coordinate j and the forces are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

The three moments equation is applicable only when___________________?

there is no settlement of supports

there is no discontinuity such as hinges within the span

The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?

internal as well as external forces

The maximum bending moment due to a train of wheel loads on a simply supported girder_________________?

never occurs under a wheel load

always occurs at centre of span

always occurs under a wheel load

never occurs under a wheel load

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

the direction in which the deflection is required

The Castigliano’s second theorem can be used to compute deflections________________?

at the point under the load only

in statically determinate structures only

at the point under the load only

Principle of superposition is applicable when___________________?

deflections are linear functions of applied forces

the action of applied forces will be affected by small deformations of the structure

Independent displacement components at each joint of a rigid-jointed plane frame are_________________?

one linear movement and two rotations

two linear movements and one rotation

one linear movement and two rotations

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

stable and statically determinate

stable and statically indeterminate

If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?

stable and statically determinate

stable and statically indeterminate

Castigliano’s first theorem is applicable_______________?

for statically determinate structures only

when the system behaves elastically

only when principle of superposition is valid

133 + Mcqs in Structural Analysis in Civil Engineering Page 1 McqOptions

1.	While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of__________________?
A.	zero length
B.	infinite length
C.	zero moment of inertia
D.	none of the above
Answer» B. infinite length

Discussion

2.	Which of the following methods of structural analysis is a force method ?
A.	slope deflection method
B.	column analogy method
C.	moment distribution method
D.	none of the above
Answer» C. moment distribution method

Discussion

3.	Which of the following methods of structural analysis is a displacement method ?
A.	moment distribution method
B.	column analogy method
C.	three moment equation
D.	none of the above
Answer» B. column analogy method

Discussion

4.	Which of the following is not the displacement method ?
A.	Equilibrium method
B.	Column analogy method
C.	Moment distribution method
D.	Kani’s method
Answer» C. Moment distribution method

Discussion

5.	When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that___________________?
A.	the head of the load reaches the section
B.	the tail of the load reaches the section
C.	the load position should be such that the section divides it equally on both sides
D.	the load position should be such that the section divides the load in the same ratio as it divides the
Answer» E.

Discussion

6.	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_______________?
A.	less than the left half span
B.	whole of left half span
C.	more than the left half span
D.	whole span
Answer» E.

Discussion

7.	When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?
A.	the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B.	the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C.	the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D.	none of the above
Answer» C. the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

Discussion

8.	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_______________?
A.	change from compression to tension
B.	change from tension to compression
C.	always be compression
D.	always be tension
Answer» B. change from tension to compression

Discussion

9.	To generate the j the column of the flexibility matrix________________?
A.	a unit force is applied at coordinate j and the displacements are calculated at all coordinates
B.	a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
C.	a unit force is applied at coordinate j and the forces are calculated at all coordinates
D.	a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates
Answer» B. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

Discussion

10.	The width of the analogous column in the method of column analogy is _________________?
A.	2/EI
B.	1/EI
C.	1/2 EI
D.	1/4 EI
Answer» C. 1/2 EI

Discussion

11.	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
Answer» D. the spans are equal

Discussion

12.	The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?
A.	internal forces only
B.	external forces only
C.	internal as well as external forces
D.	none of the above
Answer» D. none of the above

Discussion

13.	The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?
A.	2
B.	3
C.	4
D.	6
Answer» E.

Discussion

14.	The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?
A.	2
B.	2
C.	3
D.	6
Answer» D. 6

Discussion

15.	The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?
A.	1
B.	2
C.	3
D.	6
Answer» E.

Discussion

16.	The maximum bending moment due to a train of wheel loads on a simply supported girder_________________?
A.	always occurs at centre of span
B.	always occurs under a wheel load
C.	never occurs under a wheel load
D.	none of the above
Answer» C. never occurs under a wheel load

Discussion

17.	The fixed support in a real beam becomes in the conjugate beam a___________________?
A.	roller support
B.	hinged support
C.	fixed support
D.	free end
Answer» E.

Discussion

18.	The degree of static indeterminacy up to which column analogy method can be used is__________________?
A.	2
B.	3
C.	4
D.	unrestricted
Answer» C. 4

Discussion

19.	The degree of static indeterminacy of a rigid-jointed space frame is_________________?
A.	m + r – 2j
B.	m + r – 3j
C.	3m + r – 3j
D.	6m + r – 6j
Answer» E.

Discussion

20.	The degree of static indeterminacy of a pin-jointed space frame is given by_________________?
A.	m + r – 2j
B.	m + r – 3j
C.	3m + r – 3j
D.	m + r + 3j
Answer» C. 3m + r – 3j

Discussion

21.	The degree of kinematic indeterminacy of a pin-jointed space frame is_____________?
A.	2j-r
B.	3j-r
C.	j-2r
D.	j-3r
Answer» C. j-2r

Discussion

22.	The deformation of a spring produced by a unit load is called _________________?
A.	stiffness
B.	flexibility
C.	influence coefficient
D.	unit strain
Answer» C. influence coefficient

Discussion

23.	The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in_________________?
A.	vertical direction
B.	horizontal direction
C.	inclined direction
D.	the direction in which the deflection is required
Answer» E.

Discussion

24.	The Castigliano’s second theorem can be used to compute deflections________________?
A.	in statically determinate structures only
B.	for any type of structure
C.	at the point under the load only
D.	for beams and frames only
Answer» C. at the point under the load only

Discussion

25.	The carryover factor in a prismatic member whose far end is fixed is___________________?
A.	0
B.	1/2
C.	3/4
D.	1
Answer» C. 3/4

Discussion

26.	Principle of superposition is applicable when___________________?
A.	deflections are linear functions of applied forces
B.	material obeys Hooke’s law
C.	the action of applied forces will be affected by small deformations of the structure
D.	none of the above
Answer» B. material obeys Hooke’s law

Discussion

27.	Number of unknown internal forces in each member of a rigid jointed plane frame is_____________?
A.	1
B.	2
C.	3
D.	6
Answer» D. 6

Discussion

28.	Muller Breslau’s principle for obtaining influence lines is applicable to___________________?_x005F_x000D_i) trusses_x005F_x000D_ii) statically determinate beams and frames_x005F_x000D_iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law_x005F_x000D_iv) any statically indeterminate structure_x005F_x000D_The correct answer is ?
A.	(i), (ii) and (iii)
B.	(i), (ii) and (iv)
C.	(i) and (ii)
D.	only (i)
Answer» B. (i), (ii) and (iv)

Discussion

29.	Independent displacement components at each joint of a rigid-jointed plane frame are_________________?
A.	three linear movements
B.	two linear movements and one rotation
C.	one linear movement and two rotations
D.	three rotations
Answer» C. one linear movement and two rotations

Discussion

30.	In the slope deflection equations, the deformations are considered to be caused by________________?_x005F_x000D_i) bending moment_x005F_x000D_ii) shear force_x005F_x000D_iii) axial force_x005F_x000D_The correct answer is
A.	only (i)
B.	(i)and(ii)
C.	(ii) and (iii)
D.	(i), (ii) and (iii)
Answer» B. (i)and(ii)

Discussion

31.	In the displacement method of structural analysis, the basic unknowns are__________________?
A.	displacements
B.	force
C.	displacements and forces
D.	none of the above
Answer» B. force

Discussion

32.	In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always__________________?
A.	zero
B.	less than 1
C.	1
D.	greater than 1
Answer» D. greater than 1

Discussion

33.	In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as__________________?
A.	L/EI
B.	L/2EI
C.	L/3EI
D.	L/4EI
Answer» B. L/2EI

Discussion

34.	If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?
A.	m + r + 2j
B.	m – r + 2j
C.	m + r – 2j
D.	m + r – 3j
Answer» D. m + r – 3j

Discussion

35.	If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?
A.	unstable
B.	stable and statically determinate
C.	stable and statically indeterminate
D.	none of the above
Answer» B. stable and statically determinate

Discussion

36.	If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?
A.	stable and statically determinate
B.	stable and statically indeterminate
C.	unstable
D.	none of the above
Answer» C. unstable

Discussion

37.	For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal________________?_x005F_x000D_i) of a stiffness matrix must be positive_x005F_x000D_ii) of a stiffness matrix must be negative_x005F_x000D_iii) of a flexibility matrix must be positive_x005F_x000D_iv) of a flexibility matrix must be negative_x005F_x000D_The correct answer is
A.	(i) and (iii)
B.	(ii) and (iii)
C.	(i) and (iv)
D.	(ii) and (iv)
Answer» B. (ii) and (iii)

Discussion

38.	For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?
A.	is increased
B.	is decreased
C.	remains unchanged
D.	becomes zero
Answer» D. becomes zero

Discussion

39.	For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust__________________?
A.	is increased
B.	is decreased
C.	remains unchanged
D.	becomes zero
Answer» C. remains unchanged

Discussion

40.	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__________________?
A.	0.211 L
B.	0.25 L
C.	0.234 L
D.	0.5 L
Answer» B. 0.25 L

Discussion

41.	Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?
A.	increase and decrease
B.	increase and increase
C.	decrease and increase
D.	decrease and decrease
Answer» E.

Discussion

42.	Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?
A.	2j – r
B.	j – 2r
C.	3j – r
D.	2j + r
Answer» B. j – 2r

Discussion

43.	Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is__________________?
A.	2
B.	3
C.	6
D.	8
Answer» D. 8

Discussion

44.	Castigliano’s first theorem is applicable_______________?
A.	for statically determinate structures only
B.	when the system behaves elastically
C.	only when principle of superposition is valid
D.	none of the above
Answer» D. none of the above

Discussion

45.	Bending moment at any section in a conjugate beam gives in the actual beam_________________?
A.	slope
B.	curvature
C.	deflection
D.	bending moment
Answer» D. bending moment

Discussion

46.	A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?
A.	8 kN.m
B.	15 kN.m
C.	30 kN.m
D.	60 kN.m
Answer» D. 60 kN.m

Discussion

47.	A rigid-jointed plane frame is stable and statically determinate if_______________?
A.	(m + r) = 2j
B.	(m + r) = 3j
C.	(3m + r) = 3j
D.	(m + 3r) = 3j
Answer» D. (m + 3r) = 3j

Discussion

48.	A pin-jointed plane frame is unstable if________________?
A.	(m + r)<2j
B.	m + r = 2j
C.	(m + r)>2j
D.	none of the above
Answer» B. m + r = 2j

Discussion

49.	A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?
A.	0.16 Wl
B.	0.20 Wl
C.	0.24 Wl
D.	0.25 Wl
Answer» D. 0.25 Wl

Discussion

50.	A pin-jointed plane frame is unstable ifwhere m is number of members, r is reaction components and j is number of joints
A.	m r = 2j
B.	(m r)<2j
C.	none of the above
D.	(m r)>2j
Answer» C. none of the above

Discussion

Explore topic-wise MCQs in Civil Engineering.

While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of__________________?

Which of the following methods of structural analysis is a force method ?

Which of the following methods of structural analysis is a displacement method ?

Which of the following is not the displacement method ?

When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that___________________?

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_______________?

When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?

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_______________?

To generate the j the column of the flexibility matrix________________?

The width of the analogous column in the method of column analogy is _________________?

The three moments equation is applicable only when___________________?

The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?

The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?

The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?

The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?

The maximum bending moment due to a train of wheel loads on a simply supported girder_________________?

The fixed support in a real beam becomes in the conjugate beam a___________________?

The degree of static indeterminacy up to which column analogy method can be used is__________________?

The degree of static indeterminacy of a rigid-jointed space frame is_________________?

The degree of static indeterminacy of a pin-jointed space frame is given by_________________?

The degree of kinematic indeterminacy of a pin-jointed space frame is_____________?

The deformation of a spring produced by a unit load is called _________________?

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

The Castigliano’s second theorem can be used to compute deflections________________?

The carryover factor in a prismatic member whose far end is fixed is___________________?

Principle of superposition is applicable when___________________?

Number of unknown internal forces in each member of a rigid jointed plane frame is_____________?

Independent displacement components at each joint of a rigid-jointed plane frame are_________________?

In the slope deflection equations, the deformations are considered to be caused by________________?_x005F_x000D_i) bending moment_x005F_x000D_ii) shear force_x005F_x000D_iii) axial force_x005F_x000D_The correct answer is

In the displacement method of structural analysis, the basic unknowns are__________________?

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

In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as__________________?

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?

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

If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?

For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?

For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust__________________?

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__________________?

Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?

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

Castigliano’s first theorem is applicable_______________?

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

A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?

A rigid-jointed plane frame is stable and statically determinate if_______________?

A pin-jointed plane frame is unstable if________________?

A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?

A pin-jointed plane frame is unstable ifwhere m is number of members, r is reaction components and j is number of joints