MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which oil is preferred for paint manufacture? |
| A. | Drying oil |
| B. | Non-drying oil |
| C. | Semi-drying oil |
| D. | Saturated oil |
| Answer» B. Non-drying oil | |
| 2. |
Brackish water which contains mostly dissolved salt, can be purified by the __________ process. |
| A. | Reverse osmosis |
| B. | Sand filter |
| C. | Lime soda |
| D. | Permutit |
| Answer» B. Sand filter | |
| 3. |
Which of the following is a disacchride? |
| A. | Sucrose |
| B. | Glucose |
| C. | Starch |
| D. | Maltose |
| Answer» B. Glucose | |
| 4. |
Which of the following processes is absent in glass manufacturing process? |
| A. | Sintering |
| B. | Annealing |
| C. | Shaping or forming |
| D. | Melting |
| Answer» B. Annealing | |
| 5. |
Which is the main reducing agent during production of iron from iron ore in a blast furnace? |
| A. | C |
| B. | CO |
| C. | CO‚ÇÇ |
| D. | H‚ÇÇ |
| Answer» C. CO‚Äö√á√á | |
| 6. |
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of |
| A. | Nitric acid |
| B. | Hydrochloric acid |
| C. | Methyl alcohol |
| D. | Formic acid |
| Answer» B. Hydrochloric acid | |
| 7. |
Dehydrogenation of ethyl benzene produces |
| A. | Styrene |
| B. | Naphthalene |
| C. | Phenol |
| D. | Benzoic acid |
| Answer» B. Naphthalene | |
| 8. |
Sand and __________ is fused at 1300°C, to produce sodium silicate.# |
| A. | Limestone |
| B. | Soda ash |
| C. | Coke |
| D. | Sodium sulphate |
| Answer» C. Coke | |
| 9. |
The catalyst used in the production of elemental sulphur from H‚ÇÇS (by oxidation-reduction) is# |
| A. | Alumina |
| B. | Silica gel |
| C. | Platinum |
| D. | Nickel |
| Answer» B. Silica gel | |
| 10. |
At a given temperature, the equilibrium yield of SO‚ÇÉ obtained from the oxidation of SO‚ÇÇ is proportional to (where, P = pressure of the system )# |
| A. | P |
| B. | ‚à öP |
| C. | P² |
| D. | 1/P |
| Answer» C. P¬¨‚⧠| |
| 11. |
Fermentator temperature during production of alcohol from molasses is around __________ °C.# |
| A. | 5 |
| B. | 30 |
| C. | 150 |
| D. | 300 |
| Answer» C. 150 | |
| 12. |
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? |
| A. | Depithing |
| B. | Digestion |
| C. | Bleaching |
| D. | None of these |
| Answer» B. Digestion | |
| 13. |
Which one of the following is not likely to be a constituent of vegetable oils? |
| A. | Citric acid |
| B. | Oleic acid |
| C. | Stearic acid |
| D. | Glycerol |
| Answer» B. Oleic acid | |
| 14. |
Main constituents of portland cement are calcium aluminate and |
| A. | Gypsum |
| B. | Silicates |
| C. | Sodium silicate |
| D. | Carbonates |
| Answer» C. Sodium silicate | |
| 15. |
Fusion of bauxite and __________ produces high alumina cement. |
| A. | Alum |
| B. | Limestone |
| C. | Coke |
| D. | Quartz |
| Answer» C. Coke | |