# MCQs in Strength of Materials Part IV - Answers

Answers key for the Compiled MCQs in Strength of Materials Part 4 of the series as one topic in General Engineering and Applied Sciences (GEAS) in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Strength of Materials Part 4.

151. Point of inflection

152. 7.98 in.

153. 900

154. 5.046 mm.

155. Poisson’s ratio

156. Fourth power

157. The integral of y2Da

158. Proportional to the displacement

159. Where the shearing stress is zero

160. Inversely proportional to the modulus of elasticity and moment of inertia

161. Unit lateral deformation to the unit longitudinal deformation

162. Elastic range

163. Is the ratio of maximum stress produced in a section to the average stress over the section

164. Define as the unit shear stress divided by the unit shear deformation (shear strain)

165. 50%

166. Change in shear between two points

167. 1.33 n/mm2

168. Elastic range

169. Zero

170. Shorten by pl/ae

171. Torsional strength

172. 919 lbs.

173. 199 hp

174. 10 tons

175. 3600 psi

176. 25,347 lbs.

177. 2282 rpm

178. 24740 lbs

179. 1.215 x 10-6 m4

180. 41.905 x 106

181. ¼ in.

182. Bh3/12

183. 35.89

184. 8.5 coils

185. 551 mm

186. 4 5/8” dia.

187. 2 min.

188. 4500

189. 41.905 x 106 Psi

190. 61800 lbs.

191. 0.71 in.

192. 380

193. Measure a distance

194. Elasticity

195. 0.577 l

196. All of the above

197. Proportional to the displacement

198. Elastic range

199. Where the shearing is zero

200. Directly proportional to the modulus of elasticity and moment of inertia

### Online Questions and Answers in Strength of Materials Series

Following is the list of practice exam test questions in this brand new series:

Strength of Materials MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V

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