Correct answer
E. brittle when hot
Explanation
The correct answer is brittle when hot.
Engine pistons ‘are usually made of aluminium alloy because it________?
Which of the following variables controls the physical properties of a perfect gas________?
The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is________?
Total heat is the heat required to________?
Resultant pressure of the liquid in the case of an immersed body acts through________?
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