WORKSHOP INSTRUCTOR (CHEMICAL ENGINEERIG)

CODE NO. A 76/080/509
WORKSHOP INSTRUCTOR (CHEMICAL ENGINEERIG)
TECHNICAL EDUCATION DEPARTMENT

1. For the ore concentration of Ilmenite, following method is used:
(A) froth flotation (B) jigging
(C) high voltage separation (D) hydrocyclone

2. The principal ore of copper is:
(A) chalcopyrite (B) galena (C) hematite (D) bauxite

3. Sodium silicate is added in soap as a:
(A) lather booster (B) filler
(C) optical brightener (D) colouring agent

4. Linear Akyl Benzene Sulphonate (LABS) is:
(A) a drug (B) an explosive
(C) a detergent (D) an artificial fibre

5. The catalyst used for hydrogenation of edible oil is:
(A) copper (B) iron (C) nickel (D) silver

6. Butter is removed from milk by:
(A) pasteurization (B) centrifugation
(C) dialysis (D) freezing

7. Which of the following is used as a clinical disinfecting agent:
(A) formalin (B) methyl alcohd
(C) phenol (D) dil.HC1

8. For pulp manufacture for paper, which of the methods are used:
(A) kraft process (B) sulphite process
(C) semi chemical process (D) all the above