Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 3
| 6. |
On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal. |
| A. |
frequency | | B. |
amplitude | | C. |
damping | | D. |
none of these |
Answer: Option A
Explanation:
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| 7. |
Fire refining process is employed in case of |
Answer: Option B
Explanation:
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| 8. |
Larger length & diameter water pipes are made by |
| A. |
electrical resistance welding. | | B. |
die casting. | | C. |
semi-centrifugal casting. | | D. |
continuous casting. |
Answer: Option C
Explanation:
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| 9. |
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of |
| A. |
90% tungsten carbide and 10% cobalt. | | B. |
70% aluminium oxide & 30% silica. | | C. |
30% nickel, 15% chromium & 55% tungsten. | | D. |
65% tungsten & 35% zirconium. |
Answer: Option A
Explanation:
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| 10. |
The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the |
| A. |
critical point. | | B. |
curie temperature. | | C. |
inversion temperature. | | D. |
eutectic temperature. |
Answer: Option B
Explanation:
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