chemical-engineering-basics
| 6. |
The following type of bonding is strongly directional in solids. |
| A. |
Vander Waal’s |
| B. |
Ionic |
| C. |
Metallic |
| D. |
Covalant |
|
| 7. |
Fog is an example of colloidal system of |
| A. |
solid dispersed in gas. |
| B. |
solid dispersed in liquid. |
| C. |
liquid dispersed in gas. |
| D. |
gas dispersed in liquid. |
|
| 8. |
Chromium molybdenum steel can not be welded using __________ welding. |
| A. |
thermit |
| B. |
electrical resistance |
| C. |
oxy-acetylene |
| D. |
any of these |
|
| 9. |
Speisses is a mixture of the following: |
| A. |
Arsenides of heavy metals. |
| B. |
Antimonides of heavy metals. |
| C. |
Arsenides & antimonides of heavy metals. |
| D. |
Iron, cobalt and nickel. |
|
| 10. |
Auto collimator is used to check |
| A. |
flatness |
| B. |
angle |
| C. |
rotor balancing |
| D. |
roughness |
|
