A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be ________ cms?

Magnesite chrome bricks are used in the________?

An amplitude ratio of 0.1 corresponds to ________ decibels?

Which of the following flow-metering instruments is an areameter?

Which of the following is an acidic constituent of B.F. slag?

The binary diffusivity in gases at atmospheric conditions is about ________?