

MCQOPTIONS
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1. |
which one of the following are true for the thermal expansion coefficient?$ |
A. | α<sub>aluminium</sub> > α<sub>brass</sub>> α<sub>copper</sub> > α<sub>steel</sub> |
B. | α<sub>brass</sub> > α<sub>aluminium</sub> > α<sub>copper</sub> > α<sub>steel</sub> |
C. | α<sub>copper</sub> > α<sub>steel</sub> > α<sub>aluminium</sub> > α<sub>brass</sub> |
D. | α<sub>steel</sub> > α<sub>aluminium</sub> > α<sub>brass</sub> > α<sub>copper</sub> |
Answer» B. ‚âà√≠¬¨¬±<sub>brass</sub> > ‚âà√≠¬¨¬±<sub>aluminium</sub> > ‚âà√≠¬¨¬±<sub>copper</sub> > ‚âà√≠¬¨¬±<sub>steel</sub> | |