Strength of Materials MCQ with Answers

Strength of Materials MCQ with Answers

21) A rod is enclosed centrally in a tube and the assembly is tightened by rigid washers. If the assembly is subjected to a compressive load, then

Answer is:

both rod and tube are under compression

22) A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then

Answer is:

bolt is under tension and tube is under compression

23) when a bar is subjected to change of temperature and its deformation is prevented, the stress induced in the bar is

Answer is:

thermal stress

24) A steel bar of 5mm is heated from 15 degree centigrade to 40 degree centigrade and it is free to expand. The bar will induce

Answer is:

no stress

25) when a bar is cooled to -5 degree centigrade, it will develop

Answer is:

tensile stress

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