GATE Chemical Engineering Study Materials, Notes 2024-2025 - 2

Question: 6

Which of the following is not a composition measuring instrument?

(A) hot wire anemometer

(B) polarograph

(C) mass spectrometer

(D) thermal conductivity cell

Question: 7

Tachometer measures the

(A) speed of a flywheel

(B) temperature

(C) flow rate of a fluid

(D) composition of an alloy

Question: 8

Which of the following is the lowest cost plastic commercially available?

(A) bakelite

(B) pvc

(C) teflon

(D) polythene

Question: 9

Limestone is normally crushed in a

(A) tube mill

(B) ball mill

(C) roll crusher

(D) hammer crusher

Question: 10

Raw materials for nitric acid manufacture are

(A) anhydrous ammonia, air and water

(B) anhydrous ammonia and air

(C) wet ammonia, air and water

(D) hydrogen peroxide, air and water