MCQOPTIONS
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MCQOPTIONS
This section includes 188 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
A water main of 1.5 m diameter and 20 mm thick is subjected to an pressure of 1.5N/mm². Calculate the circumferential stress induced in the pipe. |
| A. | 78.65 N/mm² |
| B. | 68.45 N/mm² |
| C. | 56.25 N/mm² |
| D. | 60.85 N/mm² |
| Answer» D. 60.85 N/mm² | |
| 152. |
Which of the following stress can also be known as hoop stress? |
| A. | Axial stress |
| B. | Longitudinal stress |
| C. | Fluid stress |
| D. | Circumferential stress |
| Answer» E. | |
| 153. |
____________ boards are manufactured from sugarcane waste obtained from bagasse. |
| A. | Eco board |
| B. | Straw board |
| C. | Lamin board |
| D. | Particle board |
| Answer» B. Straw board | |
| 154. |
Geothermal Energy is _________ |
| A. | Renewable energy resource |
| B. | Natural resource |
| C. | Sustainable resource |
| D. | Exhaustible resource |
| Answer» B. Natural resource | |
| 155. |
The study of ecosystems is known as _________ |
| A. | Echography |
| B. | Bibliograph |
| C. | Ecology |
| D. | Biology |
| Answer» D. Biology | |
| 156. |
________ is an example of thermoplastic. |
| A. | Shellac |
| B. | Bakelite |
| C. | Phenol formaldehyde |
| D. | Urea formaldehyde |
| Answer» B. Bakelite | |
| 157. |
Plastic possess tensile strength of _______________ |
| A. | 4.2 tonnes/cm² |
| B. | 5.6 tonnes/cm² |
| C. | 3.4 tonnes/cm² |
| D. | 4.8 tonnes/cm² |
| Answer» C. 3.4 tonnes/cm² | |
| 158. |
What is the minimum percentage of reinforcement provided in mild steel? |
| A. | 0.12 % of gross area |
| B. | 0.15 % of gross area |
| C. | 0.18 % of gross area |
| D. | 0.2 % of gross area |
| Answer» C. 0.18 % of gross area | |
| 159. |
______ is mainly responsible for ozone depletion in the stratosphere. |
| A. | CFC |
| B. | MNC |
| C. | ESC |
| D. | FSC |
| Answer» B. MNC | |
| 160. |
Fossil fuels are example for ________ |
| A. | Exhaustible resources |
| B. | Renewable resources |
| C. | Non renewable resources |
| D. | Inexhaustible resources |
| Answer» C. Non renewable resources | |
| 161. |
Nuclear energy is __________ |
| A. | Renewable energy resource |
| B. | Non renewable energy resource |
| C. | Exhaustible resource |
| D. | Inexhaustible resource |
| Answer» C. Exhaustible resource | |
| 162. |
Acid in the rain was first detected by ___________ |
| A. | Lacy Film |
| B. | Angus smith |
| C. | Graeme Robert |
| D. | Mesh swann |
| Answer» C. Graeme Robert | |
| 163. |
In coarse textured sandy soils, the field capacity can be achieved in _________ |
| A. | 1 to 3 days |
| B. | 2 to 5 days |
| C. | 3 to 7 days |
| D. | 5 to 8 days |
| Answer» B. 2 to 5 days | |
| 164. |
Soil moisture stress is defined as the sum of soil moisture tension and ______ pressure of soil solution. |
| A. | Weed |
| B. | Perforated |
| C. | Osmatic |
| D. | Uplift |
| Answer» D. Uplift | |
| 165. |
_________ causes deterioration of buildings and monuments. |
| A. | Acid rain |
| B. | Green house effect |
| C. | Global warning |
| D. | Ozone layer depletion |
| Answer» B. Green house effect | |
| 166. |
Expand CFC _________ |
| A. | Chlorofluorochloride |
| B. | Carbonfluorochlorine |
| C. | Chlorofluorocarbon |
| D. | Cadmiumfluorocalcium |
| Answer» D. Cadmiumfluorocalcium | |
| 167. |
The stress corresponding to 0.2% of strain in the stress-strain curve is _________ |
| A. | Proof stress |
| B. | Working stress |
| C. | Direct stress |
| D. | Tenacity |
| Answer» B. Working stress | |
| 168. |
Which of the following is a method of aeration? |
| A. | Mechanical straining |
| B. | Cascades |
| C. | Biological metabolism |
| D. | Electrolytic changes |
| Answer» C. Biological metabolism | |
| 169. |
Oxidation is done in __________ method. |
| A. | Sedimentation |
| B. | Filtration |
| C. | Coagulation |
| D. | Aeration |
| Answer» E. | |
| 170. |
Bulk modulus is denoted by __________ |
| A. | A |
| B. | E |
| C. | K |
| D. | V |
| Answer» D. V | |
| 171. |
Which of the following is not a method of chlorination? |
| A. | As bleaching powder |
| B. | As free chlorine gas |
| C. | As chloramines |
| D. | Use of chloramines |
| Answer» E. | |
| 172. |
In _________ shells, the stress distribution is not uniform over the thickness of the material. |
| A. | Thick |
| B. | Thin |
| C. | Hoop |
| D. | Circumferential |
| Answer» B. Thin | |
| 173. |
If the thickness of plate is negligible when compared to the diameter of the cylindrical, then it is called __________ |
| A. | Thick cylinder |
| B. | Thin cylinder |
| C. | Hoop cylinder |
| D. | Circumferential cylinder |
| Answer» C. Hoop cylinder | |
| 174. |
WHAT_IS_THE_COEFFICIENT_OF_RUGOSITY_FOR_BRICK_LINED_SURFACE??$ |
| A. | 0.011 |
| B. | 0.012 |
| C. | 0.015 |
| D. | 0.013 |
| Answer» D. 0.013 | |
| 175. |
For most economical section, __________ should be minimum.$ |
| A. | P |
| B. | A |
| C. | R |
| D. | N |
| Answer» B. A | |
| 176. |
Most_economical_section_is_also_called_as___________$ |
| A. | Most active section |
| B. | Most effective section |
| C. | Most efficient section |
| D. | Superior section |
| Answer» D. Superior section | |
| 177. |
The units of discharge are _____________ |
| A. | m/s |
| B. | m<sup>2</sup>/s |
| C. | m<sup>3</sup>/s |
| D. | m |
| Answer» D. m | |
| 178. |
The flow of water is controlled in hydraulic structures by ____________ |
| A. | Sluice gates |
| B. | Check gates |
| C. | Lock gates |
| D. | Drain gates |
| Answer» B. Check gates | |
| 179. |
_________ are used to change the water level in a canal. |
| A. | Sluice gates |
| B. | Lock gates |
| C. | Check gates |
| D. | Scour gates |
| Answer» C. Check gates | |
| 180. |
A rectangular channel has cross sectional area of 50 m2. If the channel section is to be most economical calculate the depth. Take B = 10m. |
| A. | 10 m |
| B. | 5 m |
| C. | 8 m |
| D. | 12 m |
| Answer» C. 8 m | |
| 181. |
In manning’s formula, V = 1/n×m2/3×i1/2. N stands for __________?# |
| A. | Coefficient of viscosity |
| B. | Coefficient of rugosity |
| C. | Coefficient of runoff |
| D. | Coefficient of friction |
| Answer» C. Coefficient of runoff | |
| 182. |
What is the hydraulic depth (D) of a rectangular section? |
| A. | y |
| B. | 1/3 y |
| C. | y<sup>2</sup> |
| D. | y/5 |
| Answer» B. 1/3 y | |
| 183. |
Hydraulic depth is a ratio of wetted area to _____ |
| A. | Bottom width |
| B. | Top width |
| C. | Diameter |
| D. | Radius |
| Answer» C. Diameter | |
| 184. |
Hydraulic radius is denoted by _________ |
| A. | T |
| B. | A |
| C. | R |
| D. | N |
| Answer» D. N | |
| 185. |
In _________ shells, the stress distribution is not uniform over thickness of the material. |
| A. | Thick |
| B. | Thin |
| C. | Hoop |
| D. | Circumferential |
| Answer» B. Thin | |
| 186. |
Oil tanks, steam boilers, gas pipes are examples of _____________ |
| A. | Thick shells |
| B. | Thin cylinders |
| C. | Hoop cylinders |
| D. | Longitudinal cylinders |
| Answer» C. Hoop cylinders | |
| 187. |
In thin cylinders, the thickness should be ____________ times of internal diameter. |
| A. | 1/20 |
| B. | 1/15 |
| C. | 1/30 |
| D. | 1/40 |
| Answer» B. 1/15 | |
| 188. |
If the thickness of plate is negligible when compared to diameter of the cylindrical, then it is called __________ |
| A. | Thick cylinder |
| B. | Thin cylinder |
| C. | Hoop cylinder |
| D. | Circumferential cylinder |
| Answer» C. Hoop cylinder | |