MCQOPTIONS
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MCQOPTIONS
This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
Satellites burn off during re-entry to earth's atmosphere, because of the |
| A. | Combustion with air |
| B. | Gravitational pull by earth |
| C. | Friction with earths atmosphere |
| D. | Loss in weight of the satellite |
| Answer» D. Loss in weight of the satellite | |
| 802. |
Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same |
| A. | Period increases |
| B. | Period decreases |
| C. | Group increases |
| D. | Both b & c |
| Answer» E. | |
| 803. |
About __________ ton of coke is required in a cupola to produce one ton of casting. |
| A. | 0.03 |
| B. | 0.3 |
| C. | 0.8 |
| D. | 1.5 |
| Answer» C. 0.8 | |
| 804. |
The temperature at which the magnetic property of iron disappears (i.e., it becomes nonmagnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C. |
| A. | 768 |
| B. | 908 |
| C. | 1400 |
| D. | 1539 |
| Answer» B. 908 | |
| 805. |
Filler material used in welding should have __________ as compared to the parent metal to be welded. |
| A. | Lower melting temperature |
| B. | Same melting temperature |
| C. | Same composition |
| D. | Both b & c |
| Answer» E. | |
| 806. |
The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process? |
| A. | Cyaniding |
| B. | Sherardizing |
| C. | Spheroidising |
| D. | None of these |
| Answer» B. Sherardizing | |