WorksheetsDRC-1
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The grade of Concrete M25 TO M55
a)
Normal concrete
b)
Standard concrete
c)
High strength concrete
d)
Ultra high strength concrete
2.
In RCC, tensile stress is denoted based on
a)
Yield strength of steel
b)
Yield strngth of concrete
c)
Ultimate Strength of steel
d)
Ultimate strength of concrete
3.
Modular ratio is the ratio of modulus elasticity of
a)
Concrete to that of Steel
b)
Steel to that of Concrete
c)
Stress to that of Strain
d)
Strain to that of Stress
4.
As per IS 456:2000, Minimum grade for plain concrete under mild exposure condition is
a)
M20
b)
M25
c)
M40
d)
Not specified
5.
In Singly reinforced concrete beam, as the load increases
a)
Both concrete and steel bars will resist tension
b)
Both concrete and steel bars will resist compression
c)
Only steel bars will resist tension
d)
No response
6.
The neutral axis of a balanced section is called..
a)
balanced neutral axis
b)
critical neutral axis
c)
lever arm
d)
equivalent neutral axis
7.
Normally, the tensile strength of concrete is about ...... of its compressive strength
a)
10% - 15%
b)
25% - 30%
c)
30% - 45%
d)
40% - 45%
8.
Moment of resistance of an under-reinforced section is computed on the basis of
a)
tensile force developed in steel
b)
tensile force developed in concrete
c)
tensile force developed in steel and Concrete
d)
None of the above
9.
The percentage of steel in a beam increases, the depth of neutral axis
a)
decreases
b)
Increase
c)
Constant
d)
No change
10.
The stress in concrete increases is direct proportional to....... in strain
a)
decrease
b)
Increase
c)
Constant
d)
No response
11.
In singly reinforced beam, the effective depth is measured from the compression edge to the
a)
centre of the tensile reinforced bar
b)
centre of the compression reinforcement bar
c)
neutral axis of the beam
d)
soffit of the beam
12.
In case of cantilever beam, the tensile zone is
a)
below NA
b)
At NA
c)
Centre of the beam
d)
above NA
13.
IS code prescribes maximum clear cover to reinforcement is
a)
25mm
b)
40mm
c)
50mm
d)
Nothing. The code does not prescribe
14.
Total depth minus clear cover is
a)
Effective depth
b)
Nominal depth
c)
Neutral axis
d)
Overall depth
15.
Load factor method is referred as
a)
Working stress method
b)
Ultimate load method
c)
Limit state method
d)
Yield line method
100 %
