MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Civil Engineering
Theory Of Structures
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q.1
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
WI/2
WI²/4
WI²/8
WI²/12
Q.2
The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2)
A uniformly distributed load w/unit length
A load varying linearly from zero at one end to w at the other end
An isolated load at mid span
None of these
Q.3
The greatest load which a spring can carry without getting permanently distorted, is called
Stiffness
Proof resilience
Proof stress
Proof load
Q.4
Pick up the correct statement from the following:
Hoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)
Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)
Volumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)
All the above
Q.5
A shaft rotating N.R.M. under a torque T, transmits a power
/30 Newton metres/sec
/30 Newton metres/min
/60 Newton metres/min
/60 Newton metres/sec
Q.6
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to
Modulus of rigidity
Angle of twist
Reciprocal of the length of the shaft
Moment of inertia of the shaft section
Q.7
In a shaft, the shear stress is not directly proportional to
Radius of the shaft
Angle of twist
Length of the shaft
Modulus of rigidity
Q.8
A shaft subjected to a bending moment M and a torque T, experiences
Maximum bending stress = 32M/πd³
Maximum shear stress = 16 T/πd³
Both A and B
Neither A nor B
Q.9
The strain energy due to volumetric strain
Is directly proportional to the volume
Is directly proportional to the square of exerted pressure
Is inversely proportional to Bulk modulus
All the above
Q.10
Stress may be expressed in Newtons
Per millimetre square (N/mm²)
Per centimetre square (N/cm²)
Per metre square (N/m2)
None of these
Q.11
Pick up the correct statement from the following:
For channels, the shear centre does not coincide its centroid
The point of intersection of the bending axis with the cross section of the beam, is called shear centre
For I sections, the shear centre coincides with the centroid of the cross section of the beam
All the above
Q.12
parabolic arch of span and rise , is given by The equation of a
y = h/l² × (1 – x )
y = 2h/l² × (1 – x)
y = 3h/l² × (1 – x)
y = 4h/l² × (1 – x)
Q.13
The equivalent length of a column of length L having one end fixed and the other end free, is
2L
L
L/2
L
Q.14
If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good
E = 3K (1 – 2/m)
E = 2N (1 + 1/m)
(3/2)K (1 – 2/m) = N (1 + 1/m)
All the above
Q.15
In plastic analysis, the shape factor for a triangular section, is
1.5
1.34
2.34
2.5
Q.16
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is
0.207
0.307
0.407
0.508
Q.17
section modulus of a square section of side B and that of a circular section of the ratio of the diameter D, is
2 /15
3 /16
3 /8
/16
Q.18
If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is
0.001
0.002
0.0025
0.003
Q.19
The ratio of shear stress and shear strain of an elastic material, is
Modulus of Rigidity
Shear Modulus
Modulus of Elasticity
Both A. and B.
Q.20
The locus of the moment of inertia about inclined axes to the principal axis, is
Straight line
Parabola
Circle
Ellipse
Q.21
The point of contraflexure is the point where
B.M. changes sign
B.M. is maximum
B.M. is minimum
S.F. is zero
Q.22
A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is
[W (1 + f/ G)]/ A
(1 – g/f)/A
[W (2 + f/G)]/A
[W (2 + g/f)]/A
Q.23
Pick up the correct statement from the following:
A wire wound in spiral form, is called a helical spring
The pitch of a close coil spring, is very small
The angle made by the coil with horizontal, is called the angle of helix
All the above
Q.24
The area of the core of a column of cross sectional area A, is
(1/3) A
(1/6) A
(1/12) A
(1/18) A
Q.25
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
Stiffness
Proof resilience
Proof stress
Proof load
Q.26
The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch).
50/EIc
100/EIc
150/EIc
200/EIc
Q.27
In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
L/2
L/3
L/4
L/5
Q.28
A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is
L/d
L/2d
(L/2d)²
(L/3d)²
Q.29
The equivalent length is of a column of length having both the ends fixed, is
2 L
L
L/2
L
Q.30
A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber).
BD² + mbd²)/6D]
BD³ + mbd³)/6D]
BD² + mbd³)/4D]
BD² + mbd²)/4D]
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page