MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 392 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The degree of indeterminacy of the frame in the given figure, is______________? |
| A. | Zero |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 102. |
The degree of indeterminacy of the frame in the given figure, is__________________? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | Zero |
| Answer» D. Zero | |
| 103. |
The assumption in the theory of bending of beams is_________________? |
| A. | Material is homogeneous |
| B. | Material is isotropic |
| C. | Young’s modulus is same in tension as well as in compression |
| D. | All the above |
| Answer» E. | |
| 104. |
The area of the core of a column of cross sectional area A, is_______________? |
| A. | (1/3) A |
| B. | (1/6) A |
| C. | (1/12) A |
| D. | (1/18) A |
| Answer» E. | |
| 105. |
Principal planes are subjected to_________________? |
| A. | Normal stresses only |
| B. | Tangential stresses only |
| C. | Normal stresses as well as tangential stresses |
| D. | None of these |
| Answer» B. Tangential stresses only | |
| 106. |
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to___________________? |
| A. | Modulus of rigidity |
| B. | Angle of twist |
| C. | Reciprocal of the length of the shaft |
| D. | Moment of inertia of the shaft section |
| Answer» E. | |
| 107. |
Pick up the correct statement from the following_______________? |
| A. | The structural member subjected to compression and whose dimensions are small as |
| B. | compared to its length, is called a stmt |
| C. | The vertical compression members are generally known as columns or stanchions |
| D. | Deflection in lateral direction of a long column, is generally known as buckling |
| E. | All the above |
| Answer» F. | |
| 108. |
Pick up the correct statement from the following_.? |
| A. | The bending stress in a section is zero at its neutral axis and maximum at the outer fibres |
| B. | The shear stress is zero at the outer fibres and maximum at the neutral axis |
| C. | The bending stress at the outer fibres, is known as principal stress |
| D. | All the above |
| Answer» E. | |
| 109. |
Pick up the correct statement from the following ? |
| A. | The moment of inertia is calculated about the axis about which bending takes place |
| B. | If tensile stress is less than axial stress, the section experiences compressive stress |
| C. | If tensile stress is equal to axial stress, the section experiences compressive stress |
| D. | All the above |
| Answer» E. | |
| 110. |
Pick up the correct statement from the following__________.? |
| A. | For channels, the shear centre does not coincide its centroid |
| B. | The point of intersection of the bending axis with the cross section of the beam, is called shear centre |
| C. | For I sections, the shear centre coincides with the centroid of the cross section of the beam |
| D. | All the above |
| Answer» E. | |
| 111. |
parabolic arch of span and rise , is given by The equation of a________________? |
| A. | y = h/l² × (1 – x ) |
| B. | y = 2h/l² × (1 – x) |
| C. | y = 3h/l² × (1 – x) |
| D. | y = 4h/l² × (1 – x) |
| Answer» E. | |
| 112. |
P=4²EI/L² is the equation of Euler’s crippling load if________________? |
| A. | Both the ends are fixed |
| B. | Both the ends are hinged |
| C. | One end is fixed and other end is free |
| D. | One end is fixed and other end is hinged |
| Answer» B. Both the ends are hinged | |
| 113. |
P = / L² is the equation for Euler’s crippling load if_________________? |
| A. | Both the ends are fixed |
| B. | Both the ends are hinged |
| C. | One end is fixed and other end is free |
| D. | One end is fixed and other end is hinged |
| Answer» C. One end is fixed and other end is free | |
| 114. |
P = /4L² is the equation of Euler’s crippling load, if__________________? |
| A. | Both the ends are fixed |
| B. | Both the ends are hinged |
| C. | One end is fixed and other end is free |
| D. | One end is fixed and other end is hinged |
| Answer» D. One end is fixed and other end is hinged | |
| 115. |
Maximum strain theory for the failure of a material at the elastic limit, is known as_______________? |
| A. | Guest’s or Trecas’ theory |
| B. | St. Venant’s theory |
| C. | Rankine’s theory |
| D. | Haig’s theory |
| Answer» C. Rankine’s theory | |
| 116. |
Maximum shear stress theory for the failure of a material at the elastic limit, is known________________? |
| A. | Guest’s or Trecas’ theory |
| B. | St. Venant’s theory |
| C. | Rankine’s theory |
| D. | Haig’s theory |
| Answer» B. St. Venant’s theory | |
| 117. |
Maximum principal stress theory for the failure of a material at elastic point, is known________________? |
| A. | Guest’s or Trecas’ theory |
| B. | St. Venant’s theory |
| C. | Rankine’s theory |
| D. | Von Mises’ theory |
| Answer» D. Von Mises’ theory | |
| 118. |
m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if__________________? |
| A. | m = m1 + m2 |
| B. | m = m1 + m2 + 1 |
| C. | m = m1 + m2 + 2 |
| D. | m = m + m + 3 |
| Answer» E. | |
| 119. |
length of a column of length L, having one end fixed and other end hinged, is The equivalent_____________? |
| A. | 2 L |
| B. | L |
| C. | L/2 |
| D. | L |
| Answer» E. | |
| 120. |
inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________? |
| A. | BD²/6 |
| B. | BD3/6 |
| C. | BD3/12 |
| D. | B²D/6 |
| Answer» D. B²D/6 | |
| 121. |
In the truss, the force in the member AC is_______________? |
| A. | 6.25 t compressive |
| B. | 8.75 t tensile |
| C. | t tensile |
| D. | t compressive |
| Answer» E. | |
| 122. |
In the truss shown in the given figure, the force in member BC is______________? |
| A. | 100 t compressive |
| B. | 100 t tensile |
| C. | Zero |
| D. | Indeterminate |
| Answer» D. Indeterminate | |
| 123. |
In the truss shown in given figure the force in member DC is________________? |
| A. | 100 t compressive |
| B. | 100 t tensile |
| C. | Zero |
| D. | Indeterminate |
| Answer» D. Indeterminate | |
| 124. |
In the truss shown in given figure, the force in member BD is______________? |
| A. | 100 t compressive |
| B. | 100 t tensile |
| C. | Zero |
| D. | Indeterminate |
| Answer» B. 100 t tensile | |
| 125. |
In the cable shown in the given figure, the minimum tension occurs at___________________? |
| A. | A |
| B. | B |
| C. | C |
| D. | Between A and C |
| Answer» D. Between A and C | |
| 126. |
In plastic analysis, the shape factor for a triangular section, is_________________? |
| A. | 1.5 |
| B. | 1.34 |
| C. | 2.34 |
| D. | 2.5 |
| Answer» D. 2.5 | |
| 127. |
In plastic analysis, the shape factor for rectangular section, is________________? |
| A. | 1.4 |
| B. | 1.5 |
| C. | 1.6 |
| D. | 1.7 |
| Answer» C. 1.6 | |
| 128. |
In plastic analysis, the shape factor for a circular section, is_________________? |
| A. | 1.5 |
| B. | 1.6 |
| C. | 1.7 |
| D. | 1.75 |
| Answer» D. 1.75 | |
| 129. |
In case of principal axes of a section________________? |
| A. | Sum of moment of inertia is zero |
| B. | Difference of moment inertia is zero |
| C. | Product of moment of inertia is zero |
| D. | None of these |
| Answer» D. None of these | |
| 130. |
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__________________? |
| A. | L/2 |
| B. | L/3 |
| C. | L/4 |
| D. | L/5 |
| Answer» C. L/4 | |
| 131. |
In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is_________________? |
| A. | L/2 |
| B. | L/3 |
| C. | L/4 |
| D. | L/5 |
| Answer» E. | |
| 132. |
In a shaft, the shear stress is not directly proportional to_________________? |
| A. | Radius of the shaft |
| B. | Angle of twist |
| C. | Length of the shaft |
| D. | Modulus of rigidity |
| Answer» D. Modulus of rigidity | |
| 133. |
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________? |
| A. | 1/2 |
| B. | 1/3 |
| C. | 1/4 |
| D. | 1/5 |
| Answer» D. 1/5 | |
| 134. |
If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following_______________? |
| A. | Q = S + F |
| B. | Q = S – F |
| C. | Q = F – S |
| D. | Q = S × F |
| Answer» E. | |
| 135. |
If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________? |
| A. | (IX + IY)/2 |
| B. | (IX – IY)/2 |
| C. | IX + IY |
| D. | (I /I ) |
| Answer» D. (I /I ) | |
| 136. |
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_______________? |
| A. | E = 3K (1 – 2/m) |
| B. | E = 2N (1 + 1/m) |
| C. | (3/2)K (1 – 2/m) = N (1 + 1/m) |
| D. | All the above |
| Answer» E. | |
| 137. |
If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________? |
| A. | D4 – d4) |
| B. | D4 – d4) |
| C. | D4 – d4) |
| D. | D4 – d4) |
| Answer» E. | |
| 138. |
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span__________________? |
| A. | Horizontal thrust is wl2/8h |
| B. | S.F. will be zero throughout |
| C. | B.M. will be zero throughout |
| D. | All the above |
| Answer» E. | |
| 139. |
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_________________? |
| A. | 0.001 |
| B. | 0.002 |
| C. | 0.0025 |
| D. | 0.003 |
| Answer» D. 0.003 | |
| 140. |
If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________? |
| A. | 264 MN |
| B. | 274 MN |
| C. | 284 MN |
| D. | 294 MN |
| Answer» D. 294 MN | |
| 141. |
H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon____________________? |
| A. | H = 0 |
| B. | V = 0 |
| C. | M = 0 |
| D. | All the above |
| Answer» E. | |
| 142. |
Gradually applied static loads do not change with time their_______________? |
| A. | Magnitude |
| B. | Direction |
| C. | Point of application |
| D. | All the above |
| Answer» E. | |
| 143. |
For the close coil helical spring of the maximum deflection is__________________? |
| A. | WD3n/d4N |
| B. | 2WD3n/d4N |
| C. | 4W²D3n/d4N |
| D. | 8WD3n/d4N |
| Answer» E. | |
| 144. |
For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________? |
| A. | nD²/2 tfs |
| B. | nD/2 tfs |
| C. | D² tfs |
| D. | nD²t²/4 fs |
| Answer» B. nD/2 tfs | |
| 145. |
For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is___________________? |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» E. | |
| 146. |
For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about___________________? |
| A. | Joint C |
| B. | Joint B |
| C. | Joint D |
| D. | Joint A |
| Answer» D. Joint A | |
| 147. |
For calculating the permissible stress 0 y /[(1 + a(l/r)²] is the empirical formula, known as__________________? |
| A. | Straight line formula |
| B. | Parabolic formula |
| C. | Perry’s formula |
| D. | Rankine’s formula |
| Answer» E. | |
| 148. |
For calculating the allowable stress of long columns known as_________________? |
| A. | Straight line formula |
| B. | Parabolic formula |
| C. | Perry’s formula |
| D. | Rankine’s formula |
| Answer» C. Perry’s formula | |
| 149. |
For beams of uniform strength, if depth is constant______________? |
| A. | Width b M |
| B. | Width b M |
| C. | Width b 3 M |
| D. | Width b 1/M |
| Answer» B. Width b M | |
| 150. |
For beams breadth is constant__________________? |
| A. | Depth d M |
| B. | Depth d 3 |
| C. | Depth d |
| D. | Depth d 1/M |
| Answer» C. Depth d | |