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

rod is under compression

tube is under compression

both rod and tube are under compression

tube is under tension and rod is under compression

Answer is:

both rod and tube are under compression

Strength of Materials MCQ with Answers

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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

bolt and tube are under tension

bolt and tube are under compression

bolt is under compression and tube is under tension

bolt is under tension and tube is under compression

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

tensile stress

compressive stress

shear stress

thermal stress

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

no stress

shear stress

tensile stress

compressive stress

Answer is:

no stress

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

no stress

shear stress

tensile stress

compressive stress

Answer is:

tensile stress

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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

both rod and tube are under compression

Strength of Materials MCQ with Answers

Related Strength of Materials MCQ with Answers

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

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

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

no stress

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

tensile stress

Strength of Materials MCQ with Answers