MCQOPTIONS
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MCQOPTIONS
This section includes 180 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
For ductile materials, the factor of safety is the ratio of yield stress to ___________ |
| A. | tenacity |
| B. | ultimate stress |
| C. | working stress |
| D. | shear stress |
| Answer» D. shear stress | |
| 102. |
Which of the following estimates is also known as a preliminary estimate? |
| A. | Detailed estimate |
| B. | Scientific estimate |
| C. | Approximate estimate |
| D. | Abstract estimate |
| Answer» D. Abstract estimate | |
| 103. |
Doubly reinforced beams are provided when Mu _____ M. |
| A. | = |
| B. | < |
| C. | > |
| D. | ~ |
| Answer» D. ~ | |
| 104. |
_________ changes with place and time. |
| A. | Bearing |
| B. | Magnetic bearing |
| C. | True bearing |
| D. | Arbitrary bearing |
| Answer» C. True bearing | |
| 105. |
Calculate the elongation of the rod if you still out of 490 mm square area and 600 M long are subjected to an axial pull of 40 kN. Take E = 2×10⁵ N/mm². |
| A. | 0.56 mm |
| B. | 0.78 mm |
| C. | 0.24 mm |
| D. | 0.16 mm |
| Answer» D. 0.16 mm | |
| 106. |
_______ gives the nature and class of work. |
| A. | Estimate |
| B. | Specifications |
| C. | Tenders |
| D. | Survey |
| Answer» C. Tenders | |
| 107. |
The shear to be resisted by shear reinforcement is given by ___________ |
| A. | Vus = Vuc + Vu |
| B. | Vus = Vu + Vuc |
| C. | Vu = Vus – Vuc |
| D. | Vus = Vu – Vuc |
| Answer» E. | |
| 108. |
__________ scaffolding is used for light construction and finishing works. |
| A. | Ladder |
| B. | Brick layers |
| C. | Mason’s |
| D. | Suspended |
| Answer» E. | |
| 109. |
The variation of shear stress is ____________ |
| A. | Elliptical |
| B. | Hyperbolic |
| C. | Parabolic |
| D. | Circular |
| Answer» D. Circular | |
| 110. |
The ultimate shear force at a section of an RCC beam is 300 kN. The shear resisted by concrete is 77.5 kN. What is the shear for which shear reinforcement is required? |
| A. | 213.5 kN |
| B. | 220 kN |
| C. | 222.5 kN |
| D. | 122.5 kN |
| Answer» D. 122.5 kN | |
| 111. |
What is a detention time for mechanically cleaned tanks? |
| A. | 2 to 3 hours |
| B. | 2.5 to 4 hours |
| C. | 1.5 to 3 hours |
| D. | 4 to 6 hours |
| Answer» D. 4 to 6 hours | |
| 112. |
Bent up bars do not resist diagonal tension. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 113. |
Calculate the nominal shear stress, if a singly reinforced rectangular beam 230×450 mm effective depth is subjected to a factored load of 60 kN. |
| A. | 0.6 N/mm² |
| B. | 0.55 N/mm² |
| C. | 0.4 N/mm² |
| D. | 0.25 N/mm² |
| Answer» B. 0.55 N/mm² | |
| 114. |
Cantilever slab is categorised based on support conditions. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 115. |
Lap splices should not be used for bars larger than __________ mm. |
| A. | 24 mm |
| B. | 42 mm |
| C. | 54 mm |
| D. | 36 mm |
| Answer» E. | |
| 116. |
Calculate the maximum shear stress of a circular beam of 100 mm diameter, if the average shear stress is 0.63 N/mm². |
| A. | 0.85 N/mm² |
| B. | 1.2 N/mm² |
| C. | 1.5 N/mm² |
| D. | 2.1 N/mm² |
| Answer» B. 1.2 N/mm² | |
| 117. |
Which of the following is an exact estimate? |
| A. | Abstract |
| B. | Detailed |
| C. | Rough |
| D. | Preliminary |
| Answer» C. Rough | |
| 118. |
Which of the following is also known as pushing force? |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Shear stress |
| D. | Temperature stress |
| Answer» C. Shear stress | |
| 119. |
The ratio of change in thickness to original thickness is known as ___________ |
| A. | Lateral strain |
| B. | Linear strain |
| C. | Longitudinal strain |
| D. | Volumetric strain |
| Answer» B. Linear strain | |
| 120. |
The size of frog in bricks is ___________ |
| A. | 10×4×4 cm |
| B. | 10×9×4 cm |
| C. | 10×4×1 cm |
| D. | 9×9×4 cm |
| Answer» D. 9×9×4 cm | |
| 121. |
The stress which is just sufficient to cause a permanent set is known as ___________ |
| A. | tenacity |
| B. | ultimate stress |
| C. | proof stress |
| D. | working stress |
| Answer» D. working stress | |
| 122. |
The ends of ________ shall be properly anchored. |
| A. | Longitudinal reinforcement |
| B. | Transverse reinforcement |
| C. | Torsional reinforcement |
| D. | Shear reinforcement |
| Answer» C. Torsional reinforcement | |
| 123. |
The doubly reinforced beams improve the ______ of the beam in earthquake regions. |
| A. | Brittleness |
| B. | Elasticity |
| C. | Ductility |
| D. | Toughness |
| Answer» D. Toughness | |
| 124. |
The step with one or both ends rounded is known as _________ |
| A. | Point faced step |
| B. | Soffit |
| C. | Newel step |
| D. | Bull nose step |
| Answer» E. | |
| 125. |
Centre line method is accurate method. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 126. |
Varignon’s theorem is called as _________ |
| A. | Principle of Forces |
| B. | Principle of moments |
| C. | Principle of points |
| D. | Theory of couple |
| Answer» C. Principle of points | |
| 127. |
Longitudinal strain is also known as ___________ |
| A. | Direct strain |
| B. | Axial strain |
| C. | Indirect strain |
| D. | Shear strain |
| Answer» B. Axial strain | |
| 128. |
Which of the following processes is known as zeolite? |
| A. | Demineralization process |
| B. | Deionized water |
| C. | Lime soda process |
| D. | Base exchange process |
| Answer» E. | |
| 129. |
Which of the following is also known as pulling force? |
| A. | Tensile stress |
| B. | Shear stress |
| C. | Lateral stress |
| D. | Axial stress |
| Answer» B. Shear stress | |
| 130. |
A material having three mutually perpendicular planes of elastic symmetry is said to be _________ |
| A. | Isotropic |
| B. | Autotrophic |
| C. | Orthotropic |
| D. | Anisotropic |
| Answer» D. Anisotropic | |
| 131. |
The cracks seen on walls are due to _____ failure. |
| A. | Flexural |
| B. | Compression |
| C. | Shear |
| D. | Torsional |
| Answer» D. Torsional | |
| 132. |
A queen closer is placed after ______ in the heading course. |
| A. | Quoin header |
| B. | Brick bat |
| C. | Header |
| D. | Stretcher |
| Answer» B. Brick bat | |
| 133. |
Steel trusses are generally constructed with __________ |
| A. | Mild steel |
| B. | HYSD steel |
| C. | TMT steel |
| D. | JSW steel |
| Answer» B. HYSD steel | |
| 134. |
__________ consists generally of single or double angles. |
| A. | Strut |
| B. | Column |
| C. | Pillar |
| D. | Stanchion |
| Answer» B. Column | |
| 135. |
_______ trusses are generally adopted for greater fans. |
| A. | Timber |
| B. | Cast Iron |
| C. | Steel |
| D. | AC |
| Answer» D. AC | |
| 136. |
The strength of the column with helical reinforcement shall be ____ times the strength of similar column with lateral ties. |
| A. | 2.0 |
| B. | 1.05 |
| C. | 3 |
| D. | 1.5 |
| Answer» C. 3 | |
| 137. |
What is the minimum value of eccentricity provided in columns? |
| A. | 50 mm |
| B. | 20 mm |
| C. | 30 mm |
| D. | 45 mm |
| Answer» D. 45 mm | |
| 138. |
What is the recommended value of effective length if the column is effectively held in position and fixed against rotation in both ends? |
| A. | 0.8 l |
| B. | 0.5 l |
| C. | 0.65 l |
| D. | 0.9 l |
| Answer» D. 0.9 l | |
| 139. |
Eccentrically loaded columns have to be designed for combined axial and ________ |
| A. | Shear force |
| B. | Bending moments |
| C. | Torsion |
| D. | Creep |
| Answer» C. Torsion | |
| 140. |
The minimum diameter provided for the longitudinal bars is ________ |
| A. | 15 mm |
| B. | 20 mm |
| C. | 12 mm |
| D. | 18 mm |
| Answer» D. 18 mm | |
| 141. |
___________ is a combination of king post truss and queen post truss. |
| A. | Steel slope truss |
| B. | Pratt truss |
| C. | Mansard roof truss |
| D. | Fan truss |
| Answer» D. Fan truss | |
| 142. |
__________ is provided to prevent the movement of the post due to loads in Queen post truss. |
| A. | Purlin |
| B. | Eaves board |
| C. | Straining beam |
| D. | Ridge beam |
| Answer» D. Ridge beam | |
| 143. |
__________ is used for spans ranging from 9 m to 15 m. |
| A. | King post truss |
| B. | Queen post truss |
| C. | Coral truss |
| D. | Roof truss |
| Answer» C. Coral truss | |
| 144. |
Hardness due to calcium bi carbonate can be removed by ___________ |
| A. | Boiling |
| B. | Excessive lime |
| C. | Zeolite |
| D. | Soda treatment |
| Answer» C. Zeolite | |
| 145. |
In mansard truss, the upper slope is _________ |
| A. | 45° |
| B. | 30° |
| C. | 60° |
| D. | 90° |
| Answer» C. 60° | |
| 146. |
Which of the following methods of disinfection is usually adopted in swimming pools? |
| A. | Excess lime treatment |
| B. | Iodine – Bromine method |
| C. | Pottasium permanganate method |
| D. | Ultraviolet rays method |
| Answer» E. | |
| 147. |
The application of chlorine beyond the stage of break point is _________ |
| A. | Double chlorination |
| B. | Post pollination |
| C. | Super chlorination |
| D. | Breakpoint chlorination |
| Answer» D. Breakpoint chlorination | |
| 148. |
Which of the following is the method of removing the temporary hardness of water? |
| A. | Lime soda method |
| B. | Base exchange process |
| C. | Boiling |
| D. | Chlorination |
| Answer» D. Chlorination | |
| 149. |
Which of the following is also known as the working load? |
| A. | Safe load |
| B. | Crippling load |
| C. | Ultimate load |
| D. | Buckling load |
| Answer» B. Crippling load | |
| 150. |
What is the effective length of a column at both ends fixed? |
| A. | l/3 |
| B. | l |
| C. | l/2 |
| D. | 2×l |
| Answer» D. 2×l | |