Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with ________ bricks?
Correct answer
A. Bakelite impregnated or fused periclase
Explanation
The correct answer is Bakelite impregnated or fused periclase.
Correct answer
A. Bakelite impregnated or fused periclase
Explanation
The correct answer is Bakelite impregnated or fused periclase.
Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto ________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury?
The pyrogallol solution used in Orsat apparatus can absorb________?
The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for________?
The caking of crystals can be prevented by ________?
Which of the following is not produced on commercial scale from sea water?
An oil is converted into fat by its________?