MCQOPTIONS
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MCQOPTIONS
This section includes 53 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Lubricating oil thickened with metallic soaps or by adding solid forms______ |
| A. | grease |
| B. | vaselines |
| C. | oils |
| D. | petrol |
| Answer» B. vaselines | |
| 52. |
The coefficient of friction of unlubricated surface ranges about _________ |
| A. | 0.1-1.5 |
| B. | 0.1-0.5 |
| C. | 0.1-1.0 |
| D. | 1.5-2.0 |
| Answer» B. 0.1-0.5 | |
| 53. |
Find the acid value of the vegetable oil whose 10ml required 4.0ml of 0.01N KOH during titration (d= 0.92). |
| A. | 0.243mg |
| B. | 2.43mg |
| C. | 24.3mg |
| D. | 243mg |
| Answer» B. 2.43mg | |