Multiple Choice Questions (MCQ) on Analysis of Continuous Beams (SA-I)

MCQs on Analysis of Continuous Beams (SA-I Module IV)

1	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the moment at support B _______kNm.
a	60
b	78
c	0
d	None of the above
Ans	B
2	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the moment at support A _______kNm.
a	60
b	78
c	90
d	None of the above
Ans	D
3	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the moment at support C _______kNm.
a	60
b	78
c	90
d	None of the above
Ans	D
4	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the area of B M due to 80 kN load is______ .
a	160
b	480
c	320
d	None of the above
Ans	A
5	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the area of B M due to 20 kN/m load is _______.
a	360
b	480
c	320
d	None of the above
Ans	A
6	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the a1x1 for span AB is _________ .
a	160
b	480
c	320
d	None of the above
Ans	C
7	In continuous ABC, span AB of 4 m loaded with central point load of 80 kN and span BC of 6 m loaded with uniformly distributed load of 20 kN/m on whole span. The supports are simple, the a2x2 for span BC is _________ .
a	1080
b	480
c	320
d	None of the above
Ans	A
8	In continuous ABC, span AB of 5 m loaded with central point load of 30 kN and span BC of 5 m loaded with central point load of 50 kN . The supports are simple, the moment at B is________kNm.
a	62.5
b	37.5
c	Zero
d	None of the above
Ans	B
9	In continuous ABC, span AB of 4 m loaded with uniformly distributed load of 15 kN/m and span BC of 4 m loaded with uniformly distributed load of 18 kN/m. The supports are simple, the moment at B is ________kNm.
a	30
b	36
c	42
d	None of the above
Ans	D
10	In continuous ABC, span AB of 4 m loaded with uniformly distributed load of 10 kN/m and span BC of 4 m loaded central point load of 20 kN. The supports are simple, the bending moment at B is_______ kNm.
a	20
b	35
c	Zero
d	None of the above
Ans	B
11	In continuous ABC, span AB of 4 m loaded with uniformly distributed load of 10 kN/m and span BC of 4 m loaded central point load of 20 kN. The supports are simple, the area of B M due to 10 kN/m is_________.
a	53.33
b	40
c	Zero
d	None of the above
Ans	A
12	In continuous ABC, span AB of 4 m loaded with uniformly distributed load of 10 kN/m and span BC of 4 m loaded central point load of 20 kN. The supports are simple, the a2x2 for span BC is __________ .
a	106.67
b	85
c	100
d	None of the above
Ans	D
13	While using three moment 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
Ans	A
14	The three moment 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
Ans	C
15	The theorem of three moments express the condition of _______.
a	Shear force
b	Support moments
c	Mid-span
	moments
d	None of the
	above
Ans	B
16	Maxwell-Betti reciprocal theorem is based on ____________.
a	Muller-Breslau principle
b	Principle of least work
c	Principle of superposition
d	None of the above
Ans	C
17	A simply supported beam is loaded with central point
	load W, the bending moment at the center is_______.
a	WL/8
b	WL2/4
c	WL/4
d	WL3/4
Ans	C
18	In Clapeyron’s theorem if both ends are simply supported the following statements is correct _______.
a	Ends moments are taken zero
b	Imaginary span on one side is considered
c	Imaginary span is considered on both sides.
d	Ends moments is calculated by considered overhanging part as cantilever portion.
Ans	A
19	A simply supported beam fixed at both ends can be analysis by  ______.
a	Moment area method
b	Conjugate beam method
c	Three moment equation
d	None of the above
Ans	C
20	Continuous beam loaded with central point load W on each span, the free bending moment is________.
a	WL/4
b	WL/8
c	WL/10
d	None of the above
Ans	A
21	Continuous beam loaded with uniformly distributed load
	w on each span, the free bending moment is______.
a	wL2/4
b	wL2/8
c	wL2/10
d	None of the above
Ans	B
22	Continuous beam loaded with uniformly distributed load
	w on each span, the free bending moment is_________.
a	wL2/4
b	wL2/6
c	wL2/10
d	None of the above
Ans	D
23	Two span continuous beam loaded with eccentric point
	load W act at a from left bending support and b from interior support, the free end moment is_______.
a	Wa2b/L
b	Wab/L
c	Wab2/L
d	None of the above
Ans	B
24	Two span continuous beam loaded with central couple M
	on each span, the free end moment is_______.
a	M/2
b	M
c	2M
d	None of the above
Ans	A
25	In two span continuous beam moment at supports is __________.
a	Sagging
b	Hogging
c	Both A and B
d	None of the
	above
Ans	B
26	In analysis of two span continuous beam by strain energy
	method, the redundant force are _________.
a	Fixed
b	Choice to solver
c	Both A and B
d	None of the above
Ans	B
27	In a continuous beam overhanging part act as a __________.
a	Virtual part
b	Propped Cantilever
c	Imaginary part
d	None of the above
Ans	D
28	In a continuous beam, if one of the support is sink then it reflect on______.
a	End moments
b	Support moments
c	Twisting moments
d	Bending moments
Ans	B
29	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
Ans	A
30	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
Ans	A
31	If the end B of continuous beam ABC sinks down, then the moment at A will be
a	Zero
b	Anticlockwise
c	Clockwise
d	Infinity
Ans	B
32	A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be
a	WL
b	WL/8
c	WL/24
d	WL/32
Ans	D
33	In a two span continuous beam with Simply Supported ends, loaded by UDL, point of contraflexure exist
a	At mid support
b	In both spans near middle support
c	Near end support
d	At the end support
Ans	B