Question

In the following squeezing machine apparatus, what does the question mark represent?

(a) Flask

(b) Pattern

(c) Pressure column

(d) Plate

Answer 1

Correct choice is (a) Flask

Easy explanation: In a squeezing operation mechanism, there is some amount of sand in the apparatus which is pressurized. This sand is accumulated and not allowed to spread away with the help of the flasks situated at the ends.