The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is__________________?

Related Mcqs:

Plastics as a material of construction suffer from the drawback of low_________________?

A. Machinability B. Density C. Strength D. Plastic deformation...

Matte smelting is used in the extraction of_____________________?

A. Lead B. Zinc C. Aluminium D. Copper...

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost________________?

A. Only B. Plus variable cost C. Plus overhead cost D. Plus selling expenses...

______________ circuit is most commonly used to measure strain with the help of a strain gauge?

A. Ballast B. Voltage balancing potentiometric C. Simple current sensitive D. None of these...

Increasing sulphur content in pig iron tends to make it ________________?

A. Soft B. Hard C. Tough D. Ductile & malleable...