A) 1154 K
B) 1100 K
C) 1400 K
D) 1127 K
Correct Answer: D
Solution :
\[\frac{{{\rho }_{1}}}{{{\rho }_{2}}}=\frac{(1+\alpha {{t}_{1}})}{(1+\alpha {{t}_{2}})}\Rightarrow \frac{1}{2}=\frac{(1+0.00125\times 27)}{(1+0.00125\times t)}\] \[\Rightarrow t=854{}^\circ C\Rightarrow T=1127K\]
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