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Structural Design and Drawing

Total questions: 110

Worksheet time: 55mins

Name
Class
Date
1.

Which is part of the retaining wall

1)stem 2) shear key) 3) drop Panel 4) column head

a)

1 and 2

b)

1,2,4

c)

2,4

d)

1,2,3

2.

Which part of the retaining wall resist the shear

a)

Stem

b)

shear key

c)

toe

d)

none of the above

3.

Which portion resist the soil prevents from sliding in the retaining wall

a)

stem

b)

heel

c)

toe

d)

shear

4.

Why we provide shear key in cantilever retaining wall

a)

to prevent overturning

b)

to prevent bearing failure

c)

to prevent sliding

d)

none of the above

5.

Which pressure tends to slide the retaining wall

a)

active earth pressure

b)

passive earth pressure

c)

both a and b

d)

none of these

6.

which is the not a type of retaining wall

a)

cantilever retaining wall

b)

buttress wall

c)

counterfort retaining wall

d)

arched wall

7.

what is factor of safety of retaining wall against sliding

a)

less than 1.5

b)

greater than 1.5

c)

less than 2

d)

greater than 2

8.

what is factor of safety of retaining wall against over turning

a)

1.5 to 2

b)

2 to 2.5

c)

1.7 to 2

d)

2

9.

what is factor of safety of retaining wall against bearing failure

a)

<3

b)

>3

c)

>2

d)

>2.5

10.

what is the formula for calculating the active earth pressure

a)

Pa =Kaℽh2/2

b)

Pa =Kaℽh3/2

c)

Pa =Kpℽh2/2

d)

Pa =Kpℽh3/2

11.

Define surcharge

a)

material retained or supported by the wall

b)

backfill lying above the horizontal plane & its inclination to the horizontal

c)

backfill lying above the horizontal plane at the elevation of top of wall

d)

anything behind the wall

12.

All of these are the characteristic of passive earth pressure, except?

a)

resist the movement of the wall

b)

If the wall tends to move forward, the earth in front of the toe will be compressed to counter the forward movement

c)

can be increased by enlarging the depth of the toe

d)

can be reduced by inserting weep holes

13.

Which is the mode of failure of cantilever retaining wall

a)

over turning

b)

sliding

c)

bearing failure

d)

all the above

14.

Which is the part of counterfort retaining wall

a)

counterfort

b)

stem

c)

base slab

d)

all the above

15.

what is the function of counterfort

a)

It sub divide vertical stem

b)

provide support to base slab

c)

increase the thickness of the stem

d)

none of these

16.

The stabilizing moment in cantilever retaining wall depends on the

a)

lateral earth pressure

b)

geometry of the retaining wall

c)

both lateral earth pressure and geometry of the retaining wall

d)

none of the above

17.

The sliding resistance is developed in cantilever is due to

a)

soil pressure

b)

self weight pressure

c)

frictional force

d)

mechanical force

18.

where to locate the shear key in retaining wall for effective utilization

a)

above the base slab

b)

below the base slab and exactly below the stem portion

c)

below the base slab and away from the stem portion

d)

below the base slab and exactly below the toe portion

19.

The thickness of base slab is if h is the height of the stem

a)

h/2

b)

h/8

c)

h/12

d)

h/6

20.

The minimum width of the heel slab is calculated by

a)

xh=hka3xh=h\sqrt{\frac{ka}{3}}

b)

xh=hkp3xh=h\sqrt{\frac{kp}{3}}

c)

xh=hka2xh=h\sqrt{\frac{ka}{2}}

d)

xh=hkp2xh=h\sqrt{\frac{kp}{2}}

21.

If xh is the width of the heel slab then the base slab width should be

a)

1.4xh

b)

1.6xh

c)

1.5 xh

d)

1.8 xh

22.

what is the minimum depth of the foundation if the soil have the density of 16 kN/m3 , safe bearing capacity of the soil is 200 kN/m2 and the angle of repose is 30o

a)

1.4 m

b)

1.3 m

c)

2.1 m

d)

1.2 m

23.

The width of the base slab for the counterfort retaining wall is in the range of

a)

0.6H- o.8H

b)

0.6H- o.7H

c)

0.5H- o.8H

d)

0.7H- o.8H

24.

The retaining wall is the structure used to

a)

Earth materials on the mountain zone

b)

water on both side of swimming pool

c)

Retain the slopes on hilly zones

d)

All the above

25.

which type of retaining wall used when the back fill exceeds 5m

a)

cantilever retaining wall

b)

counterfort retaining wall

c)

buttress wall

d)

any one of these

26.

Which is part of the flat slab

1)stem 2) shear key) 3)drop Panel 4) column head

a)

1 and 2

b)

1,2,4

c)

3,4

d)

1,2,3

27.

Which part of the flat slab resist the shear

a)

Stem

b)

shear key

c)

drop Panel

d)

none of the above

28.

What is flat slab

a)

Slab without drop panels

b)

Slab without columns

c)

Slab without beams

d)

Slab with beam and column drops

29.

why we use column head in flat slab

a)

It increase shear strength of slab

b)

It reduce the moment in the slab by reducing the clear or effective span

c)

both A and B

d)

None of these

30.

Why we providing drop panel in flat slab

a)

It increase shear strength of slab

b)

It increase negative moment capacity of slab

c)

It stiffen the slab and hence reduce deflection

d)

all of these

31.

What is the benefits of flat slab

a)

Flexibility in room layout

b)

Saving in building height

c)

Shorter construction time

d)

Ease of installation of M&E services

e)

all of the above

32.

The main consideration for designing the flat slab

a)

punching shear

b)

bending moment

c)

torsional moment

d)

all the above

33.

what is the span to depth ratio for flat slab if we use Fe-250

a)

40

b)

32

c)

28

d)

7

34.

If the slab of span length (L) then the column strip length is

a)

0.2L

b)

0.3L

c)

0.25L

d)

0.35L

35.

What is the minimum depth of the drop slab

a)

1/4 of depth of slab or 125mm

b)

1/4 of depth of slab or 100mm

c)

1/2of depth of slab or 125mm

d)

1/4of depth of slab or 125mm

36.

Where column heads are provided, that portion of a column head which lies within the largest right circular cone or pyramid that has a vertex angle of

a)

45o

b)

60o

c)

90o

d)

135o

37.

Which of the following the part of the bridge

a)

carriage way

b)

crash barrier

c)

foot path

d)

all the above

38.

What are the components of bridge

a)

pier

b)

girder

c)

deck slab

d)

all the above

39.

The main factors which decided the width of carriage way

a)

Number of lane

b)

type of road

c)

length of the bridge

d)

obstacles along the width

40.

what is the load value of Class AA tracked vehicle and wheeled vehicle

a)

700 kN and 1000 kN

b)

700 kN and 400 kN

c)

1000 kN and 700 kN

d)

400 kN and 700 kN

41.

what is the load value of Class70 tracked vehicle and wheeled vehicle

a)

700 kN and 1000 kN

b)

700 kN and 400 kN

c)

1000 kN and 700 kN

d)

400 kN and 700 kN

42.

The clear distance between the IRC class AA loading vehicle wheel and the foot path of the road is

a)

1.5 m

b)

1.4 m

c)

1.1 m

d)

1.2 m

43.

The Nose to tail spacing of the wheeled vehicle is

a)

30 m

b)

60 m

c)

90 m

d)

100 m

44.

The Nose to tail spacing of the tracked vehicle is

a)

30 m

b)

60 m

c)

90 m

d)

100 m

45.

The dispersed width of wheel load is calculated by which relation

a)

𝑏𝑒𝑓𝑓=𝛼𝑥(1−𝑥*L)+𝑏

b)

𝑏𝑒𝑓𝑓=𝛼𝑥(1−𝑥/L)+𝑏

c)

𝑏𝑒𝑓𝑓=𝛼𝑥(1−L/x)+𝑏

d)

𝑏𝑒𝑓𝑓=𝛼𝑥(1−𝑥/L)*𝑏

46.

The impact factor for rcc road bridges for class A loading is

a)

6/(4.5+L)

b)

9/(13.5+L)

c)

4.5/(6+L)

d)

13.5/(9+L)

47.

The impact factor for steel bridges for class A loading is

a)

6/(4.5+L)

b)

9/(13.5+L)

c)

4.5/(6+L)

d)

13.5/(9+L)

48.

What is the impact factor for CLASS AA wheeled loading for the span of less than 9m of rcc bridges

a)

25 %

b)

25 % for spans upto 5m and varies linearly reducing to 10% for spans of 9 m

c)

10 %

d)

10 % for spans upto 5m and varies linearly reducing to 5% for spans of 9 m

49.

What is the impact factor for CLASS AA tracked loading for the span of less than 9m of rcc bridges

a)

25 %

b)

25 % for spans upto 5m and varies linearly reducing to 10% for spans of 9 m

c)

10 %

d)

10 % for spans upto 5m and varies linearly reducing to 5% for spans of 9 m

50.

What is the width of the wheel for Class AA tracked vehicle

a)

800 mm

b)

850 mm

c)

750 mm

d)

700 mm

51.

For water tank wall thickness upto 100 mm what is the minimum percentage reinforcement

a)

0.2

b)

0.3

c)

0.25

d)

0.35

52.

Which type of water tank is provided when water storing capacity is low

a)

Rectangular

b)

Circular

c)

conical shaped

d)

Intz type

53.

Tank is designed as a Horizontal slab all around (b/w corners) & subjected to triangular load

due to hydrostatic pressure from 0 at top to H/4 or 1m above the base when

a)

L/B >2

b)

L/B <2

c)

L/B >2.5

d)

L/B <2.5

54.

What is the maximum hoop tension induced in circular slab when base is flexible if tank subjected to water pressure w and having a height H and diameter D

a)

wHD/4

b)

wHD/2

c)

4wHD

d)

2wHD

55.

In Which case, the Long walls are treated as vertical cantilever fixed at base Short walls are treated as Horizontal slabs(bending horizontally) b/w .Long walls

a)

L/B >2

b)

L/B <2

c)

L/B >2.5

d)

L/B <2.5

56.

What is the area of steel required in circular slab with flexible base subjected to a hoop tension of 22.93 kN and permissible stress in steel is 115 N/mm2

a)

1933.91 mm2

b)

1993.91 mm2

c)

1833.91 mm2

d)

1946.91 mm2

57.

How Meridional thrust in dome of the water tank is calculated

a)

𝑇1=𝑤𝑅/(1-cos𝜃)

b)

𝑇1=𝑤𝑅/(1+cos𝜃)

c)

𝑇1=𝑤𝑅/(1*cos𝜃)

d)

𝑇1=𝑤𝑅/(2+cos𝜃)

58.

How Hoop tension in the Dome of the water tank is calculated

a)

𝑇2=𝑤𝑅(cos𝜃−1/(1+cos𝜃))

b)

𝑇2=𝑤𝑅(cos𝜃+1/(1+cos𝜃))

c)

𝑇2=𝑤𝑅(cos𝜃−1/(1-cos𝜃))

d)

𝑇2=𝑤𝑅(cos𝜃+1/(1-cos𝜃))

59.

The permissible stress in concrete against cracking in water tank for M20 grade of concrete

a)

1.5

b)

1.2

c)

1.1

d)

1.6

60.

In circular water tank if the wall joint is flexible with the base then the behavior of the wall is if triangular load is acted on it

a)

hoop tension in the full wall section

b)

top portion subjected to hoop tension and lower portion subjected to bending moment

c)

top portion subjected to bending moment and lower portion subjected to hoop tension

d)

the wall is subjected to bending moment

61.

In circular water tank if the wall joint is fixed with the base then the behavior of the wall is if triangular load is acted on it

a)

hoop tension in the full wall section

b)

top portion subjected to hoop tension and lower portion subjected to bending moment

c)

top portion subjected to bending moment and lower portion subjected to hoop tension

d)

the wall is subjected to bending moment

62.

What is the minimum cover for the water tank

a)

50 mm or diameter of bar

b)

15mm or diameter of bar

c)

25mm or diameter of bar

d)

25mm or half of diameter of bar

63.

When we provide reinforcement in both face of the rectangular water tank wall

a)

when thickness greater than 220 mm

b)

when thickness greater than 240 mm

c)

when thickness greater than 225 mm

d)

when thickness greater than 200 mm

64.

In rectangular water tank if L/B ratio is less than 2 then tank wall is designed as

a)

the walls designed as continuous frame

b)

the long wall designed as cantilever beam

c)

the walls are designed as horizontally supported slab

d)

the wall designed as fixed beam

65.

In rectangular water tank if L/B ratio is greater than 2 then tank wall is designed as

a)

the walls designed as continuous frame

b)

the long wall designed as cantilever beam

c)

the walls are designed as horizontally supported slab

d)

the wall designed as fixed beam

66.

The water tanks walls are subjected to moment and direct tension due to

a)

soil pressure

b)

frictional pressure

c)

hydrostatic pressure

d)

combined soil pressure and hydrostatic pressure

67.

In under ground water tank what is the factor of safety against uplift

a)

1.2

b)

1.4

c)

1.3

d)

1.5

68.

For sections of thickness greater than 100mm, and less than 450mm the minimum reinforcement in each of the two directions

a)

shall be linearly reduced from 0.3 percent for 100mm thick section to 0.2 percent for 400mm

b)

shall be linearly reduced from 0.3 percent for 100mm thick section to 0.2 percent for 450mm

c)

shall be linearly reduced from 0.25 percent for 100mm thick section to 0.1 percent for 450mm

d)

shall be linearly reduced from 0.25 percent for 100mm thick section to 0.1 percent for 400mm

69.

Whenever there is a possibility of water table to rise in underground water tank then which of the following is considered

a)

earth pressure exerted by bulk soil

b)

earth pressure exerted by submerged soil

c)

earth pressure exerted by saturated soil

d)

earth pressure exerted by both submerged and saturarted soil soil

70.

The tensile stress induced in the water tank wall is calculated by

a)

𝐹𝑡/((𝐴𝑐+(𝑚−1)𝐴𝑠𝑡))

b)

𝐹𝑡/((𝐴𝑐+(1−m)𝐴𝑠𝑡))

c)

𝐹𝑡*((𝐴𝑐+(𝑚−1)𝐴𝑠𝑡))

d)

𝐹𝑡*((𝐴𝑐+(1−m)𝐴𝑠𝑡))

71.

The general formula used to find the thickness of the water tank is

a)

20H+50 mm

b)

40H+50 mm

c)

30H+50 mm

d)

50H+50 mm

72.

The safe tensile stress that can be carried by the water tank wall is calculated by

a)

σct=(ωHD/6)/((1000T+(m-1)Ash))

b)

σct=(2ωHD)/((1000T+(m-1)Ash))

c)

σct=(6ωHD)/((1000T+(m-1)Ash))

d)

σct=(ωHD/2)/((1000T+(m-1)Ash))

73.

What is the maximum pressure that can be acted upon the vertical wall of the water tank where w= density of water H= height of water tank, h= maximum pressure point

a)

w(H-h)/2

b)

w(H-h)/3

c)

w(H-h)

d)

w(H-h)/4

74.

what is the position of maximum cantilever bending moment act on the water tank wall if H is the height of water tank

a)

H/4 or 1m whichever is greater

b)

H/4 or 1m whichever is lesser

c)

H/3 or 1m whichever is lesser

d)

H/3 or 1m whichever is greater

75.

If the rectangular tank having L/B ratio >2 the bending moment at the center of span is calculated by

a)

wH³/6

b)

[w(H-h)B²]/12

c)

[w(H-h)B²]/6

d)

wH³/4

76.

Which portion of the plate girder resist the shear

a)

web

b)

flange

c)

vertical stiffeners

d)

horizontal stiffeners

77.

Which portion of the plate girder resist the bending moment

a)

web

b)

flange

c)

vertical stiffeners

d)

horizontal stiffeners

78.

Which portion of the plate girder resist web crushing

a)

web

b)

flange

c)

vertical stiffeners

d)

horizontal stiffeners

79.

Which portion of the plate girder resist web buckling strength

a)

web

b)

flange

c)

vertical stiffeners

d)

horizontal stiffeners

80.

What is optimum depth of plate girder

a)

d=(kM/fy )^(1∕2)

b)

d=(kMfy )^(1∕2)

c)

d=(kM/fy )^(1∕3)

d)

d=(kMfy )^(1∕3)

81.

What is the optimum thickness of web plate girder

a)

 tw=(Mk2fy)13tw=\left(\frac{M}{k2fy}\right)^{\frac{1}{3}}  

b)

 tw=(Mk2fy)12tw=\left(\frac{M}{k2fy}\right)^{\frac{1}{2}}  

c)

 tw=(Mk2fy)12tw=\left(Mk2fy\right)^{\frac{1}{2}}  

d)

 tw= (Mk2fy)13tw=\ \left(Mk2fy\right)^{\frac{1}{3}}  

82.

What is the impact percentage fot EOT crane for wheel loads

a)

20

b)

25

c)

15

d)

30

83.

What is the impact percentage fot EOT crane for horizontal force along the rails

a)

15

b)

10

c)

5

d)

25

84.

What is the Maximum Deflection for EOT crane upto 50 ton

a)

L/500

b)

L/750

c)

L/250

d)

L/400

85.

What is the intreaction equation for top flange for bending in both axes

a)

(My / Mndy)+ (Mz/Mndz) ≤ 1.0

b)

(My / Mndy)+ (Mz/Mndz) > 1.0

c)

(Mndy / My)+ (Mndz/Mz) ≤ 1.0

d)

(Mndy / My)+ (Mndz/Mz) >1.0

86.

The bearing stiffener is provide at the location of

a)

Centre of the plate girder

b)

heavy concentrate load location

c)

heavy bending area

d)

heavy torsional area

87.

The buckling strength of web is increased by

a)

Longitudinal stiffener

b)

Diagonal stiffener

c)

Tension stiffener

d)

torsional stiffener

88.

The tensile force from the flange to web is transmitted by

a)

Longitudinal stiffener

b)

Diagonal stiffener

c)

Tension stiffener

d)

torsional stiffener

89.

The strengthening of the web due to combined action of shear and bending done by

a)

Longitudinal stiffener

b)

Diagonal stiffener

c)

Tension stiffener

d)

torsional stiffener

90.

The torsional effects at the support are resisted by

a)

Longitudinal stiffener

b)

Diagonal stiffener

c)

Tension stiffener

d)

torsional stiffener

91.

which stiffener improves the buckling strength of web due to shear

a)

transverse stiffener

b)

Diagonal stiffener

c)

Tension stiffener

d)

torsional stiffener

92.

What is meant by Moment resisting connection

a)

the connection that transfer only the moment

b)

the connection that transfer the moment and shear

c)

the connection that transfer the moment , shear and axial force

d)

none of the above

93.

What is meant by simple connection

a)

transfer the shear force and bending moment

b)

transfer the shear force with nominal eccentricity

c)

transfer the shear force with no nominal eccentricity

d)

transfer the axial force

94.

In designing the seat connection the length of bearing is calculated if R is the reaction of the beam

a)

R*(twfy)

b)

R/(twfy)

c)

R/(dwfy)

d)

R*(dwfy)

95.

The web crippling strength of plate girder is calculated by

a)

𝐹𝑤𝑐=𝑏1d𝑤𝑓𝑦𝑤/𝛾𝑚0

b)

𝐹𝑤𝑐=𝑏1d𝑤𝑓𝑦𝑤*𝛾𝑚0

c)

𝐹𝑤𝑐=𝑏1𝑡𝑤𝑓𝑦𝑤*𝛾𝑚0

d)

𝐹𝑤𝑐=𝑏1𝑡𝑤𝑓𝑦𝑤/𝛾𝑚0

96.

The web buckling strength of plate girder is calculated by

a)

𝐹𝑤𝑐=𝑏1d𝑤𝑓cd/𝛾𝑚0

b)

𝐹𝑤𝑐=𝑏1d𝑤𝑓cd*𝛾𝑚0

c)

𝐹𝑤𝑐=𝑏1𝑡𝑤𝑓cd*𝛾𝑚0

d)

𝐹𝑤𝑐=𝑏1𝑡𝑤𝑓cd/𝛾𝑚0

97.

what is the impact percentage for vertical force if the crane operated manually

a)

10

b)

25

c)

15

d)

5

98.

what is the impact percentage for horizontal force if the crane operated manually

a)

10

b)

25

c)

15

d)

5

99.

what is the impact percentage for horizontal force if the crane operated electronicaly

a)

10

b)

25

c)

15

d)

5

100.

what is the maximum deflection limit if the crane electronically above 50 ton weight

a)

L/1000

b)

L/750

c)

L/500

d)

L/800

101.

Beam-Column are members subjected

a)

Bending and axial tension

b)

Bending and axial compression

c)

Bending and hoop tension

d)

Bending and hoop compression

102.

Which is a framed structure composed of members.

a)

Purlin

b)

Truss

c)

top ridges

d)

Gusset plate

103.

Trusses are subjected to ___________ stress.

a)

Compression

b)

Tensile

c)

Direct

d)

Lateral

104.

The top line of roof truss is called as ___________

a)

Eves

b)

Main tie

c)

Chord

d)

Ridge line

105.

Trusses are adopted for ___________ span.

a)

Large

b)

Very Large

c)

Short

d)

Medium

106.

The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

a)

0.65 kN/m2

b)

0.75 kN/m2

c)

1.35 kN/m2

d)

1.65 kN/m2

107.

To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

a)

1

b)

2

c)

3

d)

4

108.

The range of economical spacing of trusses varies from

a)

L/3 to L/5

b)

L/4 to 2L/5

c)

L/2 to L/3

d)

2L/5 to 3L/5

109.

In roof trusses bracings should be provided at top chord level in the

a)

end panels using flats

b)

end panels using angles

c)

last but one panel using flats

d)

last but one end panel using angles

110.

If W and L are the total superimposed load and the span of a plate girder in meters, the approximate self weight (W) of the girder, is taken as

a)

M = WL/100

b)

M = WL/200

c)

M = WL/300

d)

M = WL/400

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