144 + Mcqs in Structural Analysis McqOptions

1.	To generate the j th 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

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

Discussion

3.	A rigid-jointed plane frame is stable and statically determinate if (where m is number of members, r is reaction components and j is number of joints)
A.	(m + r) = 2j
B.	(m + r) = 3j
C.	(3m + r) = 3j
D.	(m + 3r) = 3j
Answer» D. (m + 3r) = 3j

Discussion

4.	If in a pin-jointed plane frame (m + r) > 2j, then the frame is(Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints)
A.	Stable and statically determinate
B.	Stable and statically indeterminate
C.	Unstable
D.	None of the above
Answer» C. Unstable

Discussion

5.	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

6.	The minimum horizontal distance between two parallel main reinforcing bars, is
A.	The diameter of the bar if their diameters are same
B.	The diameter of the longer bar if their diameters are unequal
C.	5 mm more than nominal maximum size of the coarse aggregate
D.	Greatest value of the above
Answer» E.

Discussion

7.	In which of the following cases is ASCE procedure not applied?
A.	Enclosed structure
B.	Regular shape grid
C.	High rise structure
D.	Roof with 60 ft. height
Answer» D. Roof with 60 ft. height

Discussion

8.	In which type of roofs are scuppers used?
A.	Large area
B.	Small area
C.	Large width
D.	Small width
Answer» B. Small area

Discussion

9.	What is the value of average wind pressure (in psf) for height more than 100ft which is generally adopted?
A.	10
B.	20
C.	30
D.	40
Answer» D. 40

Discussion

10.	What will be the flow rate (in gallons per minute) if A is 10 ft2 and rainfall intensity is 2 inches per hour?
A.	0.208
B.	0.0208
C.	2.08
D.	20.8
Answer» B. 0.0208

Discussion

11.	Which type of drainage system will collect the rainwater?
A.	Primary
B.	Secondary
C.	Tertiary
D.	Primary and tertiary
Answer» B. Secondary

Discussion

12.	Find the value of reduction factor R2 if F (rise to span ratio in inches) is given to be 5.
A.	0.95
B.	0.96
C.	0.97
D.	0.98
Answer» B. 0.96

Discussion

13.	How does an increase in the pitch of the roof affects the amount of load that can be placed on it?
A.	It increases
B.	It decreases
C.	Remains constant
D.	Depends upon case
Answer» C. Remains constant

Discussion

14.	Impact load results from which type of effects of loads applied?
A.	Static
B.	Dynamic
C.	Static and dynamic
D.	Neither static nor dynamic
Answer» C. Static and dynamic

Discussion

15.	Impact loads are equal to the sum of the magnitude of the loads actually caused and the magnitude if the loads had they been dead loads. State whether this statement is true or false.
A.	True
B.	False
Answer» C.

Discussion

16.	In the method used to establish the magnitude of live load, what is the reference time period?
A.	30 years
B.	35 years
C.	35 years
D.	60 years
Answer» D. 60 years

Discussion

17.	Building codes require the partition load to be considered even without partition if live load is less than:-
A.	60 psf
B.	70 psf
C.	80 psf
D.	90 psf
Answer» D. 90 psf

Discussion

18.	Most of the loads applied to a building are environmental load. State whether this statement is true or false.
A.	True
B.	False
Answer» C.

Discussion

19.	Live loads, with time can vary in:-
A.	Magnitude
B.	Position
C.	Neither position nor magnitude
D.	Position as well as magnitude
Answer» E.

Discussion

20.	Dead load comprises of:-
A.	Permanently attached loads
B.	Temporarily attached loads
C.	Permanent as well as temporary loads
D.	Snow load
Answer» B. Temporarily attached loads

Discussion

21.	Which of the following structural loads are not applied commonly to a building?
A.	Dead load
B.	Rain load
C.	Live load
D.	Environmental load
Answer» C. Live load

Discussion

22.	In the above question, using factor of 0.75 is:-
A.	In the above question, using factor of 0.75 is:-
B.	Compulsory in some case
C.	Depends upon the engineer
D.	Depends upon loads
Answer» D. Depends upon loads

Discussion

23.	When two or more loads are acting on a structure in addition to dead load, then ASCE permits the loads other than dead loads to be multiplied by a factor of (provided the result is not less than that produced by dead load and the load causing greatest effect)
A.	0.60
B.	0.65
C.	0.70
D.	0.75
Answer» E.

Discussion

24.	If a full dead load is not acting during an earthquake or a severe wind storm, then chances of overturning of building will:-
A.	Decrease
B.	Increase
C.	Remain same
D.	Depend upon case
Answer» C. Remain same

Discussion

25.	Which of the following load do not vary appreciably with time?
A.	Snow
B.	Dead
C.	Rain
D.	Wind
Answer» C. Rain

Discussion

26.	With which loads are impact effects considered?
A.	Rain
B.	Snow
C.	Live
D.	Fluids
Answer» D. Fluids

Discussion

27.	Live load and roof live loads are represented by the same symbol. State whether the above written statement is true or false.
A.	True
B.	False
Answer» B. False

Discussion

28.	Allowable stress method considers which type of loadings?
A.	Simultaneous
B.	Non- simultaneous
C.	Mixture of both
D.	Only dead loads
Answer» B. Non- simultaneous

Discussion

29.	With the allowable stress method, which conditions are computed?
A.	Most severe loading conditions and inelastic stresses
B.	Most severe loading conditions and elastic stresses
C.	Feeble loading conditions and inelastic stresses
D.	Feeble loading conditions and elastic stresses
Answer» C. Feeble loading conditions and inelastic stresses

Discussion

30.	Live load element factor KLL remains constant for all types of structure. State whether this statement is true or false
A.	True
B.	False
Answer» C.

Discussion

31.	Loads used to obtain column design forces and to obtain beam design forces are:-
A.	Necessarily same
B.	Necessarily different
C.	Most likely same
D.	Most likely different
Answer» E.

Discussion

32.	In the case of a structural member supporting more than one floor with load exceeding 100psf., what is the maximum permitted reduction %?
A.	10
B.	15
C.	20
D.	25
Answer» D. 25

Discussion

33.	What is the minimum limit of influence area (in sq. ft) till which live loads can be reduced?
A.	100
B.	200
C.	300
D.	400
Answer» E.

Discussion

34.	Reduction factors given in Section 4.8 of ASCE 7-02 & in Section 1607.9.1 of IBC-2003 are:-
A.	Different
B.	Same
C.	Vary in some cases
D.	There is no reduction factor in Section 4.8 of ASCE 7-02
Answer» C. Vary in some cases

Discussion

35.	Building codes usually permit reduction in live load when small areas are concerned. State whether this statement is true or false
A.	True
B.	False
Answer» C.

Discussion

36.	If influence area contributing to a particular load increases, then what happens to the possibility of having full design load on each square meter of area?
A.	Increases
B.	Decreases
C.	Doesn’t affect
D.	Depends on case
Answer» C. Doesn’t affect

Discussion

37.	When column supports the top floor of a building, then live load reduction is:-
A.	Permitted
B.	Not permitted
C.	Depends upon type of beam
D.	Depends upon amount of load
Answer» C. Depends upon type of beam

Discussion

38.	One area can serve as an influence area to more than one member of a structure at the same time. State whether the above statement is true or false.
A.	True
B.	False
Answer» B. False

Discussion

39.	If in an interior beam, adjacent structures are exactly similar then the tributary area is:-
A.	Trapezium
B.	Acute triangle
C.	Obtuse triangle
D.	Right angled triangle
Answer» E.

Discussion

40.	Which out of the following statements is true?
A.	Tributary area > influence area
B.	Tributary area <= influence area
C.	Tributary area >= influence area
D.	No relation can be defined
Answer» C. Tributary area >= influence area

Discussion

41.	What is the maximum no. of structures to which an area can be a tributary are to?
A.	1
B.	2
C.	3
D.	4
Answer» B. 2

Discussion

42.	For an interior girder, what is the shape of tributary area?
A.	Rectangular
B.	Rectangular
C.	Circular
D.	Depends upon case
Answer» E.

Discussion

43.	The tributary area lines between two columns/beams are at how much distance from one of the beam?
A.	0.2 of the total in between length
B.	0.4 of the total in between length
C.	0.5 of the total in between length
D.	0.5 of the total in between length
Answer» D. 0.5 of the total in between length

Discussion

44.	The tributary is an unloaded area. This statement is:-
A.	True
B.	False
Answer» C.

Discussion

Explore topic-wise MCQs in Testing Subject.

To generate the j th column of the flexibility matrix

A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints)

A rigid-jointed plane frame is stable and statically determinate if (where m is number of members, r is reaction components and j is number of joints)

If in a pin-jointed plane frame (m + r) > 2j, then the frame is(Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints)

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

The minimum horizontal distance between two parallel main reinforcing bars, is

In&nbsp;which&nbsp;of&nbsp;the&nbsp;following&nbsp;cases&nbsp;is&nbsp;ASCE&nbsp;procedure&nbsp;not&nbsp;applied?

In&nbsp;which&nbsp;type&nbsp;of&nbsp;roofs&nbsp;are&nbsp;scuppers&nbsp;used?

What&nbsp;is&nbsp;the&nbsp;value&nbsp;of&nbsp;average&nbsp;wind&nbsp;pressure&nbsp;(in&nbsp;psf)&nbsp;for&nbsp;height&nbsp;more&nbsp;than&nbsp;100ft&nbsp;which&nbsp;is&nbsp;generally&nbsp;adopted?

What&nbsp;will&nbsp;be&nbsp;the&nbsp;flow&nbsp;rate&nbsp;(in&nbsp;gallons&nbsp;per&nbsp;minute)&nbsp;if&nbsp;A&nbsp;is&nbsp;10&nbsp;ft2&nbsp;and&nbsp;rainfall&nbsp;intensity&nbsp;is&nbsp;2&nbsp;inches&nbsp;per&nbsp;hour?

&nbsp;Which&nbsp;type&nbsp;of&nbsp;drainage&nbsp;system&nbsp;will&nbsp;collect&nbsp;the&nbsp;rainwater?

Find&nbsp;the&nbsp;value&nbsp;of&nbsp;reduction&nbsp;factor&nbsp;R2&nbsp;if&nbsp;F&nbsp;(rise&nbsp;to&nbsp;span&nbsp;ratio&nbsp;in&nbsp;inches)&nbsp;is&nbsp;given&nbsp;to&nbsp;be&nbsp;5.

How&nbsp;does&nbsp;an&nbsp;increase&nbsp;in&nbsp;the&nbsp;pitch&nbsp;of&nbsp;the&nbsp;roof&nbsp;affects&nbsp;the&nbsp;amount&nbsp;of&nbsp;load&nbsp;that&nbsp;can&nbsp;be&nbsp;placed&nbsp;on&nbsp;it?

Impact&nbsp;load&nbsp;results&nbsp;from&nbsp;which&nbsp;type&nbsp;of&nbsp;effects&nbsp;of&nbsp;loads&nbsp;applied?

&nbsp;In&nbsp;the&nbsp;method&nbsp;used&nbsp;to&nbsp;establish&nbsp;the&nbsp;magnitude&nbsp;of&nbsp;live&nbsp;load,&nbsp;what&nbsp;is&nbsp;the&nbsp;reference&nbsp;time&nbsp;period?

Building&nbsp;codes&nbsp;require&nbsp;the&nbsp;partition&nbsp;load&nbsp;to&nbsp;be&nbsp;considered&nbsp;even&nbsp;without&nbsp;partition&nbsp;if&nbsp;live&nbsp;load&nbsp;is&nbsp;less&nbsp;than:-

Most&nbsp;of&nbsp;the&nbsp;loads&nbsp;applied&nbsp;to&nbsp;a&nbsp;building&nbsp;are&nbsp;environmental&nbsp;load. State&nbsp;whether&nbsp;this&nbsp;statement&nbsp;is&nbsp;true&nbsp;or&nbsp;false.

Live&nbsp;loads,&nbsp;with&nbsp;time&nbsp;can&nbsp;vary&nbsp;in:-

Dead&nbsp;load&nbsp;comprises&nbsp;of:-

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;structural&nbsp;loads&nbsp;are&nbsp;not&nbsp;applied&nbsp;commonly&nbsp;to&nbsp;a&nbsp;building?

In&nbsp;the&nbsp;above&nbsp;question,&nbsp;using&nbsp;factor&nbsp;of&nbsp;0.75&nbsp;is:-

&nbsp;If&nbsp;a&nbsp;full&nbsp;dead&nbsp;load&nbsp;is&nbsp;not&nbsp;acting&nbsp;during&nbsp;an&nbsp;earthquake&nbsp;or&nbsp;a&nbsp;severe&nbsp;wind&nbsp;storm,&nbsp;then&nbsp;chances&nbsp;of&nbsp;overturning&nbsp;of&nbsp;building&nbsp;will:-

&nbsp;Which&nbsp;of&nbsp;the&nbsp;following&nbsp;load&nbsp;do&nbsp;not&nbsp;vary&nbsp;appreciably&nbsp;with&nbsp;time?

With&nbsp;which&nbsp;loads&nbsp;are&nbsp;impact&nbsp;effects&nbsp;considered?

Live&nbsp;load&nbsp;and&nbsp;roof&nbsp;live&nbsp;loads&nbsp;are&nbsp;represented&nbsp;by&nbsp;the&nbsp;same&nbsp;symbol. State&nbsp;whether&nbsp;the&nbsp;above&nbsp;written&nbsp;statement&nbsp;is&nbsp;true&nbsp;or&nbsp;false.

Allowable&nbsp;stress&nbsp;method&nbsp;considers&nbsp;which&nbsp;type&nbsp;of&nbsp;loadings?

With&nbsp;the&nbsp;allowable&nbsp;stress&nbsp;method,&nbsp;which&nbsp;conditions&nbsp;are&nbsp;computed?

Live&nbsp;load&nbsp;element&nbsp;factor&nbsp;KLL&nbsp;remains&nbsp;constant&nbsp;for&nbsp;all&nbsp;types&nbsp;of&nbsp;structure. State&nbsp;whether&nbsp;this&nbsp;statement&nbsp;is&nbsp;true&nbsp;or&nbsp;false

Loads&nbsp;used&nbsp;to&nbsp;obtain&nbsp;column&nbsp;design&nbsp;forces&nbsp;and&nbsp;to&nbsp;obtain&nbsp;beam&nbsp;design&nbsp;forces&nbsp;are:-

In&nbsp;the&nbsp;case&nbsp;of&nbsp;a&nbsp;structural&nbsp;member&nbsp;supporting&nbsp;more&nbsp;than&nbsp;one&nbsp;floor&nbsp;with&nbsp;load&nbsp;exceeding&nbsp;100psf.,&nbsp;what&nbsp;is&nbsp;the&nbsp;maximum&nbsp;permitted&nbsp;reduction&nbsp;%?

&nbsp;What&nbsp;is&nbsp;the&nbsp;minimum&nbsp;limit&nbsp;of&nbsp;influence&nbsp;area&nbsp;(in&nbsp;sq.&nbsp;ft)&nbsp;till&nbsp;which&nbsp;live&nbsp;loads&nbsp;can&nbsp;be&nbsp;reduced?

Reduction&nbsp;factors&nbsp;given&nbsp;in&nbsp;Section&nbsp;4.8&nbsp;of&nbsp;ASCE&nbsp;7-02&nbsp;&amp;&nbsp;in&nbsp;Section&nbsp;1607.9.1&nbsp;of&nbsp;IBC-2003&nbsp;are:-

&nbsp;Building&nbsp;codes&nbsp;usually&nbsp;permit&nbsp;reduction&nbsp;in&nbsp;live&nbsp;load&nbsp;when&nbsp;small&nbsp;areas&nbsp;are&nbsp;concerned. State&nbsp;whether&nbsp;this&nbsp;statement&nbsp;is&nbsp;true&nbsp;or&nbsp;false

&nbsp;If&nbsp;influence&nbsp;area&nbsp;contributing&nbsp;to&nbsp;a&nbsp;particular&nbsp;load&nbsp;increases,&nbsp;then&nbsp;what&nbsp;happens&nbsp;to&nbsp;the&nbsp;possibility&nbsp;of&nbsp;having&nbsp;full&nbsp;design&nbsp;load&nbsp;on&nbsp;each&nbsp;square&nbsp;meter&nbsp;of&nbsp;area?

When&nbsp;column&nbsp;supports&nbsp;the&nbsp;top&nbsp;floor&nbsp;of&nbsp;a&nbsp;building,&nbsp;then&nbsp;live&nbsp;load&nbsp;reduction&nbsp;is:-

One&nbsp;area&nbsp;can&nbsp;serve&nbsp;as&nbsp;an&nbsp;influence&nbsp;area&nbsp;to&nbsp;more&nbsp;than&nbsp;one&nbsp;member&nbsp;of&nbsp;a&nbsp;structure&nbsp;at&nbsp;the&nbsp;same&nbsp;time. State&nbsp;whether&nbsp;the&nbsp;above&nbsp;statement&nbsp;is&nbsp;true&nbsp;or&nbsp;false.

&nbsp;If&nbsp;in&nbsp;an&nbsp;interior&nbsp;beam,&nbsp;adjacent&nbsp;structures&nbsp;are&nbsp;exactly&nbsp;similar&nbsp;then&nbsp;the&nbsp;tributary&nbsp;area&nbsp;is:-

Which&nbsp;out&nbsp;of&nbsp;the&nbsp;following&nbsp;statements&nbsp;is&nbsp;true?

What&nbsp;is&nbsp;the&nbsp;maximum&nbsp;no.&nbsp;of&nbsp;structures&nbsp;to&nbsp;which&nbsp;an&nbsp;area&nbsp;can&nbsp;be&nbsp;a&nbsp;tributary&nbsp;are&nbsp;to?

For&nbsp;an&nbsp;interior&nbsp;girder,&nbsp;what&nbsp;is&nbsp;the&nbsp;shape&nbsp;of&nbsp;tributary&nbsp;area?

The&nbsp;tributary&nbsp;area&nbsp;lines&nbsp;between&nbsp;two&nbsp;columns/beams&nbsp;are&nbsp;at&nbsp;how&nbsp;much&nbsp;distance&nbsp;from&nbsp;one&nbsp;of&nbsp;the&nbsp;beam?

&nbsp;The&nbsp;tributary&nbsp;is&nbsp;an&nbsp;unloaded&nbsp;area.&nbsp;This&nbsp;statement&nbsp;is:-

In which of the following cases is ASCE procedure not applied?

In which type of roofs are scuppers used?

What is the value of average wind pressure (in psf) for height more than 100ft which is generally adopted?

What will be the flow rate (in gallons per minute) if A is 10 ft2 and rainfall intensity is 2 inches per hour?

Which type of drainage system will collect the rainwater?

Find the value of reduction factor R2 if F (rise to span ratio in inches) is given to be 5.

How does an increase in the pitch of the roof affects the amount of load that can be placed on it?

Impact load results from which type of effects of loads applied?

In the method used to establish the magnitude of live load, what is the reference time period?

Building codes require the partition load to be considered even without partition if live load is less than:-

Most of the loads applied to a building are environmental load. State whether this statement is true or false.

Live loads, with time can vary in:-

Dead load comprises of:-

Which of the following structural loads are not applied commonly to a building?

In the above question, using factor of 0.75 is:-

If a full dead load is not acting during an earthquake or a severe wind storm, then chances of overturning of building will:-

Which of the following load do not vary appreciably with time?

With which loads are impact effects considered?

Live load and roof live loads are represented by the same symbol. State whether the above written statement is true or false.

Allowable stress method considers which type of loadings?

With the allowable stress method, which conditions are computed?

Live load element factor KLL remains constant for all types of structure. State whether this statement is true or false

Loads used to obtain column design forces and to obtain beam design forces are:-

In the case of a structural member supporting more than one floor with load exceeding 100psf., what is the maximum permitted reduction %?

What is the minimum limit of influence area (in sq. ft) till which live loads can be reduced?

Reduction factors given in Section 4.8 of ASCE 7-02 & in Section 1607.9.1 of IBC-2003 are:-

Building codes usually permit reduction in live load when small areas are concerned. State whether this statement is true or false

If influence area contributing to a particular load increases, then what happens to the possibility of having full design load on each square meter of area?

When column supports the top floor of a building, then live load reduction is:-

One area can serve as an influence area to more than one member of a structure at the same time. State whether the above statement is true or false.

If in an interior beam, adjacent structures are exactly similar then the tributary area is:-

Which out of the following statements is true?

What is the maximum no. of structures to which an area can be a tributary are to?

For an interior girder, what is the shape of tributary area?

The tributary area lines between two columns/beams are at how much distance from one of the beam?

The tributary is an unloaded area. This statement is:-