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WorksheetsD66 MASTER THE DAY
Total questions: 104
Worksheet time: 2hrs 44mins
Name
Class
Date
1.
The minimum number of main bars to be provided in an RCC beam is:
a)
1
b)
2
c)
3
d)
4
2.
Diameter range of main bars in RCC beams is generally:
a)
6–10 mm
b)
8–20 mm
c)
10–40 mm
d)
12–50 mm
3.
Diameter range of stirrups in RCC beams is generally:
a)
4–8 mm
b)
5–9 mm
c)
6–10 mm
d)
8–12 mm
4.
Minimum spacing of stirrups in RCC beams is:
a)
50 mm
b)
75 mm
c)
100 mm
d)
125 mm
5.
Maximum spacing of stirrups in RCC beams is limited to:
a)
Lever arm of the beam
b)
Overall depth of beam
c)
0.5 depth of beam
d)
Twice the lever arm
6.
Minimum top steel near supports should be:
a)
Equal to main bottom steel
b)
1.5 times main bottom steel
c)
2 times main bottom steel
d)
0.5 times main bottom steel
7.
Minimum steel to be carried straight on supports is:
a)
25% of main steel
b)
40% of main steel
c)
50% of main steel
d)
60% of main steel
8.
Effective span of simply supported beam is taken as:
a)
Clear span + bearing length
b)
Clear span + effective depth
c)
Clear span only
d)
None
9.
Effective span of a cantilever beam is measured from:
a)
Centre of support to free end
b)
Edge of support to free end
c)
Mid depth of support to free end
d)
None
10.
Span/depth ratio for cantilever beams should not exceed:
a)
8
b)
10
c)
12
d)
15
11.
Span/depth ratio for continuous beams should not exceed:
a)
20
b)
22
c)
25
d)
28
12.
Span/depth ratio for simply supported beams should not exceed:
a)
15
b)
18
c)
20
d)
22
13.
The flange of a T-beam resists:
a)
Tension only
b)
Compression only
c)
Both tension and compression
d)
Shear only
14.
The web of a T-beam resists:
a)
Bending moment
b)
Shear forces
c)
Torsion
d)
Deflection
15.
In continuous T-beams, flange is effective for a length of:
a)
0.5 times span
b)
0.6 times span
c)
0.7 times span
d)
0.8 times span
16.
In an inverted T-beam, deflection occurs:
a)
At bottom of beam
b)
At top of beam
c)
At mid-depth
d)
At both top and bottom equally
17.
For L-beams, the slab acts as:
a)
Tension flange on one side
b)
Compression flange on one side
c)
Compression flange on both sides
d)
Shear web
18.
Minimum tensile reinforcement for mild steel in RCC beams is:
a)
0.15% of gross area
b)
0.2% of gross area
c)
0.25% of gross area
d)
0.3% of gross area
19.
Calculate the effective flange width (Bf) of a T-beam with span length L=6 m, bw=250 mm, df=120 mm.
a)
1290 mm
b)
1970 mm
c)
1450 mm
d)
1530 mm
20.
For an RCC beam with effective depth d = 500 mm, calculate the maximum spacing of vertical stirrups as per IS 456.
a)
350 mm
b)
375 mm
c)
400 mm
d)
450 mm
21.
Minimum cover for main bars in beams exposed to moderate conditions is:
a)
20 mm
b)
25 mm
c)
30 mm
d)
40 mm
22.
Side face reinforcement should be distributed equally on two faces at spacing not exceeding:
a)
250 mm
b)
275 mm
c)
300 mm
d)
350 mm
23.
Minimum percentage of side face reinforcement in beams is:
a)
0.05% of web area
b)
0.08% of web area
c)
0.1% of web area
d)
0.15% of web area
24.
For inclined stirrups, maximum spacing should not exceed:
a)
d or 200 mm
b)
d or 240 mm
c)
d or 300 mm
d)
0.75d or 450 mm
25.
Minimum tensile steel for high yield strength deformed bars in beams is:
a)
0.2% of gross area
b)
0.25% of gross area
c)
0.3% of gross area
d)
0.15% of gross area
26.
In T-beams, transverse reinforcement in the flange should be at least:
a)
40% of main slab reinforcement
b)
50% of main slab reinforcement
c)
60% of main slab reinforcement
d)
70% of main slab reinforcement
27.
Main reinforcement in cantilever beams should be placed:
a)
At bottom at free end
b)
At top at fixed end
c)
At bottom at fixed end
d)
At top at free end
28.
The flange thickness in a T-beam is equal to:
a)
Depth of slab forming the flange
b)
Overall depth of beam
c)
Effective depth of beam
d)
Width of web
29.
In inverted T-beams, top reinforcement is:
a)
Lesser than bottom reinforcement
b)
Equal to bottom reinforcement
c)
Heavier than bottom reinforcement
d)
Not provided
30.
In continuous beams with hogging moments at supports, additional top bars should extend:
a)
Span/8
b)
Span/6
c)
Span/4
d)
Span/3
31.
Bending up of bars is done to:
a)
Increase flexural capacity
b)
Reduce bar length
c)
Resist shear near supports
d)
Reduce cover
32.
In RCC beams, clear cover is measured from:
a)
Surface of concrete to outer surface of bar
b)
Surface of formwork to centre of bar
c)
Centre of beam to bar
d)
Stirrup surface to main bar
33.
Doubly reinforced beams are preferred when:
a)
Depth is restricted
b)
Depth is large
c)
Only tension reinforcement needed
d)
Only compression reinforcement needed
34.
Width of web in a T-beam should be enough to:
a)
Resist torsion
b)
Accommodate tensile reinforcement with spacing
c)
Provide bearing for slab
d)
Reduce deflection
35.
A beam cast monolithically with slab to use slab as compression flange on one side only is called:
a)
T-beam
b)
L-beam
c)
Inverted T-beam
d)
Box beam
36.
For rotated L-beams, the effective flange width is given by:
a)
[0.5l/(l/b) + 4] + bw
b)
[0.6l/(l/b) + 3] + bw
c)
[0.7l/(l/b) + 2] + bw
d)
[0.8l/(l/b) + 5] + bw
37.
In a fixed beam, minimum depth is taken as:
a)
Span/20
b)
Span/24
c)
Span/26
d)
Span/30
38.
In partially fixed beams over masonry walls, cranking is done at:
a)
1/5 span
b)
1/6 span
c)
1/7 span
d)
1/8 span
39.
Continuous beams are designed with extra top bars extending:
a)
Span/3
b)
Span/4
c)
Span/5
d)
Span/6
40.
Minimum area of tension reinforcement is calculated as:
a)
0.85/fy × bd
b)
0.95/fy × bd
c)
0.75/fy × bd
d)
1.0/fy × bd
41.
Shear reinforcement is provided in beams to resist:
a)
Flexural stresses
b)
Shear stresses
c)
Torsional stresses
d)
Buckling stresses
42.
Maximum spacing of shear reinforcement for inclined stirrups is:
a)
d or 240 mm
b)
0.75d or 450 mm
c)
0.5d or 300 mm
d)
d or 200 mm
43.
Effective depth for head load in T-beam is taken as:
a)
L/20
b)
L/15
c)
L/12
d)
L/10
44.
In continuous beams, L for flange width calculation is taken as:
a)
Clear span
b)
0.7 of effective span
c)
0.8 of effective span
d)
Full span
45.
Diameter of stirrups in RCC beams is generally between:
a)
4–8 mm
b)
5–9 mm
c)
6–10 mm
d)
8–12 mm
46.
Vertical spacing between layers of main bars should not be less than:
a)
10 mm
b)
12 mm
c)
15 mm
d)
20 mm
47.
In T-beams, the web portion is also known as:
a)
Rib
b)
Flange
c)
Web plate
d)
Wing
48.
In inverted T-beams, slab is located on:
a)
Compression face
b)
Tension face
c)
Neutral axis
d)
Shear zone
49.
Bars are bent at supports generally between:
a)
I/5 to I/6
b)
I/4 to I/5
c)
I/7 to I/4
d)
I/8 to I/6
50.
For continuous beams with medium loads, effective depth is taken as:
a)
L/12 to L/15
b)
L/15 to L/20
c)
L/10 to L/12
d)
L/20 to L/25
51.
Clear cover for end reinforcement bars in beams should be at least:
a)
20 mm
b)
25 mm
c)
30 mm
d)
Bar diameter
52.
Maximum diameter of main bars used in beams is:
a)
25 mm
b)
32 mm
c)
40 mm
d)
50 mm
53.
Assertion (A): Cantilever beams have maximum bending moment at the fixed end.
Reason (R): The fixed end resists both vertical shear and bending moment.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true, R is false
d)
A is false, R is true
54.
The width of flange in T-beams is restricted to not more than:
a)
c/c spacing of beams
b)
Effective span
c)
Twice the web width
d)
Half the span
55.
In doubly reinforced beams, compression reinforcement is provided to:
a)
Increase flexural strength
b)
Reduce cracking
c)
Reduce shear stress
d)
Improve aesthetics
56.
In RCC beams, the tension zone reinforcement is placed:
a)
On compression face
b)
On tension face
c)
In the neutral axis
d)
Distributed equally
57.
Main reinforcement bars are bent up primarily to:
a)
Control deflection
b)
Resist shear near supports
c)
Increase stiffness
d)
Reduce reinforcement quantity
58.
The formula for minimum shear reinforcement is:
a)
Asv/sv = 0.4/(0.87 fy)
b)
Asv/sv = 0.5/(0.87 fy)
c)
Asv/sv = 0.6/(0.87 fy)
d)
Asv/sv = 0.3/(0.87 fy)
59.
Effective depth for simply supported beams is usually taken as:
a)
L/12 to L/15
b)
L/15 to L/20
c)
L/20 to L/25
d)
L/10 to L/12
60.
In RCC beams, minimum horizontal spacing between main bars is:
a)
Bar dia or aggregate size + 6 mm
b)
Aggregate size + 5 mm
c)
Bar dia + 3 mm
d)
Aggregate size only
61.
The rib of a T-beam is also called:
a)
Flange
b)
Web
c)
Shear key
d)
Stem
62.
The flange in a T-beam mainly resists:
a)
Tension
b)
Compression
c)
Shear
d)
Torsion
63.
Side face reinforcement is necessary when beam depth exceeds:
a)
500 mm
b)
600 mm
c)
750 mm
d)
900 mm
64.
Top reinforcement in continuous beams is provided to resist:
a)
Positive moment
b)
Negative moment
c)
Shear
d)
Torsion
65.
In RCC beams, cover is provided to:
a)
Protect steel from corrosion
b)
Provide space for stirrups
c)
Increase strength
d)
Reduce deflection
66.
Doubly reinforced sections are suitable for members subjected to:
a)
Eccentric loading
b)
Central loading only
c)
Pure bending
d)
Shear only
67.
The web thickness in T-beams is designed to accommodate:
a)
Stirrups only
b)
Tensile bars with spacing
c)
Flange reinforcement
d)
Cover blocks
68.
Main tensile steel for mild steel bars is minimum:
a)
0.15% of gross area
b)
0.2% of gross area
c)
0.25% of gross area
d)
0.3% of gross area
69.
Continuous beams generally have:
a)
Zero moments at supports
b)
Hogging moments at supports
c)
No negative moment
d)
No positive moment
70.
In RCC beams, effective span for design is taken as:
a)
Clear span only
b)
Clear span + bearing length
c)
Clear span + effective depth
d)
None
71.
Consider the following statements:
1. In T-beams, the flange is in compression under positive bending.
2. The web of the T-beam resists shear forces.
Which of the above statements is/are correct?
a)
Only 1
b)
Only 2
c)
Both 1 and 2
d)
Neither 1 nor 2
72.
The maximum diameter of bars generally used for stirrups is:
a)
6 mm
b)
8 mm
c)
10 mm
d)
12 mm
73.
Clear cover for longitudinal bars in beams should be at least:
a)
15 mm
b)
20 mm
c)
25 mm
d)
30 mm
74.
The side face reinforcement should be distributed equally on two faces when depth exceeds:
a)
600 mm
b)
700 mm
c)
750 mm
d)
800 mm
75.
Minimum tensile steel for plain mild steel bars in beams is:
a)
0.15%
b)
0.2%
c)
0.25%
d)
0.3%
76.
Cantilever beams generally have span/depth ratio not exceeding:
a)
8
b)
10
c)
12
d)
15
77.
In L-beams, the slab acts as:
a)
Tension flange
b)
Compression flange
c)
Shear web
d)
Neutral axis
78.
The flange thickness in a T-beam equals:
a)
Overall depth of beam
b)
Effective depth of beam
c)
Depth of slab forming flange
d)
Half the depth of beam
79.
In RCC beams, bars are bent up near supports to:
a)
Resist shear
b)
Reduce bending moment
c)
Increase cover
d)
Improve aesthetics
80.
Doubly reinforced beams are provided when:
a)
Depth is unrestricted
b)
Depth is restricted
c)
Only tension reinforcement is needed
d)
Beam is prestressed
81.
Web of a T-beam resists:
a)
Bending moment
b)
Shear force
c)
Torsion
d)
Deflection
82.
Flange of a T-beam resists:
a)
Shear force
b)
Compression
c)
Torsion
d)
Deflection
83.
In continuous beams, the flange is effective for a length of:
a)
0.5 span
b)
0.6 span
c)
0.7 span
d)
0.8 span
84.
For light loads in continuous beams, depth is taken as:
a)
L/15 to L/20
b)
L/12 to L/15
c)
L/10 to L/12
d)
L/8 to L/10
85.
Maximum reinforcement in tension zone should not exceed:
a)
0.03 bd
b)
0.04 bd
c)
0.05 bd
d)
0.06 bd
86.
Minimum shear reinforcement is calculated as:
a)
Asv/sv = 0.4/(0.87 fy)
b)
Asv/sv = 0.5/(0.87 fy)
c)
Asv/sv = 0.6/(0.87 fy)
d)
Asv/sv = 0.3/(0.87 fy)
87.
In T-beams, if main reinforcement of slab is parallel to beam, transverse reinforcement should be at least:
a)
40% of slab reinforcement
b)
50% of slab reinforcement
c)
60% of slab reinforcement
d)
70% of slab reinforcement
88.
In doubly reinforced beams, reversal of bending moment may occur in:
a)
Cantilever beams
b)
Simply supported beams
c)
Pile caps
d)
Slabs
89.
For heavy loads in continuous beams, depth is taken as:
a)
L/15 to L/20
b)
L/12 to L/15
c)
L/10 to L/12
d)
L/8 to L/10
90.
Side face reinforcement area should not be less than:
a)
0.05% of web area
b)
0.1% of web area
c)
0.15% of web area
d)
0.2% of web area
91.
For inclined stirrups, maximum diameter generally used is:
a)
6 mm
b)
8 mm
c)
10 mm
d)
12 mm
92.
The lever arm of beam is used to determine:
a)
Bending moment
b)
Stirrup spacing
c)
Shear force
d)
Depth of beam
93.
In cantilever beams, the reinforcement is designed for:
a)
Positive moment
b)
Negative moment
c)
Shear only
d)
Torsion
94.
The main bars in RCC beams range from:
a)
6 mm to 16 mm
b)
10 mm to 40 mm
c)
8 mm to 25 mm
d)
12 mm to 32 mm
95.
Vertical spacing between layers of bars should also consider:
a)
Size of coarse aggregate
b)
Type of cement
c)
Beam span
d)
Load type
96.
For simply supported beams, maximum span/depth ratio is:
a)
18
b)
20
c)
22
d)
25
97.
For continuous beams, maximum span/depth ratio is:
a)
22
b)
24
c)
25
d)
28
98.
For beams carrying head load, effective depth should be at least:
a)
L/20
b)
L/15
c)
L/12
d)
L/10
99.
End cover for reinforcing bar should be:
a)
Not less than 20 mm
b)
Not less than 25 mm
c)
Not less than 30 mm
d)
Not less than 40 mm
100.
Minimum top steel near supports is:
a)
Same as bottom steel
b)
1.5 times bottom steel
c)
2 times bottom steel
d)
0.5 times bottom steel
101.
Bending up bars helps in:
a)
Flexural resistance
b)
Shear resistance
c)
Deflection control
d)
Bond improvement
102.
The rib of a T-beam is also known as:
a)
Flange
b)
Web
c)
Core
d)
Spine
103.
Inverted T-beams have slab located on:
a)
Compression face
b)
Tension face
c)
Neutral axis
d)
Shear plane
104.
In continuous beams, hogging moments occur:
a)
At midspan
b)
At supports
c)
Everywhere
d)
At neutral axis
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