MCQOPTIONS
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MCQOPTIONS
This section includes 68 Mcqs, each offering curated multiple-choice questions to sharpen your Textile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Ratio of intensity of broadband and narrow band gives a measure of |
| A. | crystalline ratio |
| B. | non crystalline ratio |
| C. | both a and b |
| D. | limited/non limited frequency |
| Answer» D. limited/non limited frequency | |
| 2. |
In resonance phenomena, absorbed energy can be caused to vary by running through a change of magnetic field at |
| A. | minimum resonant frequency |
| B. | maximum resonant frequency |
| C. | variable frequency |
| D. | constant frequency |
| Answer» E. | |
| 3. |
Perfection of crystal is directly proportional to |
| A. | broadband width |
| B. | length |
| C. | density |
| D. | frequency |
| Answer» B. length | |
| 4. |
In solid, molecules are tightly packed and this broadens the |
| A. | frequency response |
| B. | limit |
| C. | resolution |
| D. | oscillations |
| Answer» B. limit | |
| 5. |
Limit beyond which no machine any longer complies technological operating conditions can be set as |
| A. | maximum drawing limit |
| B. | minimum drawing limit |
| C. | both a and b |
| D. | positive drawing limit |
| Answer» D. positive drawing limit | |
| 6. |
Inside electronic autoleveller, variations are transformed into |
| A. | electric signal |
| B. | wave |
| C. | spark |
| D. | lightening effect |
| Answer» B. wave | |
| 7. |
Thickness of material fed is detected by |
| A. | feeler |
| B. | computerized feeler |
| C. | detector |
| D. | mechanic feeler |
| Answer» E. | |
| 8. |
Parameter derived from broadband width is defined by Statton as |
| A. | matrix rigidity |
| B. | row rigidity |
| C. | firmness |
| D. | hardness |
| Answer» B. row rigidity | |
| 9. |
Broadening of frequency response is more in |
| A. | low oscillations |
| B. | high oscillations |
| C. | crystalline region |
| D. | non crystalline region |
| Answer» D. non crystalline region | |
| 10. |
In resonance phenomena, absorbed energy can be caused to vary by scanning through a range of frequencies with |
| A. | maximum resonant frequency |
| B. | minimum resonant frequency |
| C. | constant frequency |
| D. | variable frequency |
| Answer» B. minimum resonant frequency | |
| 11. |
When atoms resonate independently, they all do that at |
| A. | same frequency |
| B. | different frequency |
| C. | variable frequency |
| D. | constant frequency |
| Answer» B. different frequency | |
| 12. |
Width of narrow band indicates how firmly individual atoms are held with their matrix of |
| A. | ordered regions |
| B. | highly ordered regions |
| C. | less ordered regions |
| D. | partial ordered regions |
| Answer» C. less ordered regions | |
| 13. |
Resolution in scanning electron microscopy has been |
| A. | reduced |
| B. | improved |
| C. | effected |
| D. | variable |
| Answer» C. effected | |
| 14. |
Deflection of cantilever in atomic force microscopy is measure of |
| A. | force |
| B. | fibre examination |
| C. | fibre bonding |
| D. | angle |
| Answer» B. fibre examination | |
| 15. |
Peeling off fibre to expose new external surface for replication gives |
| A. | replicate details |
| B. | internal details |
| C. | minimal details |
| D. | angle details |
| Answer» C. minimal details | |
| 16. |
Electrons can be focused by |
| A. | microscopes |
| B. | bending their paths |
| C. | rotating |
| D. | reflecting |
| Answer» C. rotating | |
| 17. |
Staining of heavy metal at times results in |
| A. | extra details |
| B. | less details |
| C. | wrong details |
| D. | enhanced details |
| Answer» D. enhanced details | |
| 18. |
Electronic autoleveller is used for |
| A. | automatic adjustment |
| B. | variable adjustments |
| C. | manual adjustments |
| D. | computerized adjustments |
| Answer» B. variable adjustments | |
| 19. |
In resonance phenomena, absorbed energy can be caused to vary in |
| A. | 6 ways |
| B. | 5 ways |
| C. | 4 ways |
| D. | 2 ways |
| Answer» E. | |
| 20. |
Nuclei of various atoms posses a |
| A. | magnetic moment |
| B. | bond |
| C. | movement |
| D. | rotation |
| Answer» B. bond | |
| 21. |
When fields of neighboring atoms are influenced on resonance, it gives the |
| A. | bonding information |
| B. | movement information |
| C. | field information |
| D. | structure information |
| Answer» E. | |
| 22. |
If a nucleus is placed in a magnetic field, it can be caused to |
| A. | move |
| B. | rotate |
| C. | resonate |
| D. | minimize |
| Answer» D. minimize | |
| 23. |
A set of separate finely spaced frequencies shows |
| A. | low resolution |
| B. | high resolution |
| C. | zero resolution |
| D. | negligible resolution |
| Answer» C. zero resolution | |
| 24. |
Number of speed variations, electronic autoleveller can achieve automatic adjustments is |
| A. | 4 |
| B. | 2 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 25. |
Suitable adjusting range applicable varies between |
| A. | (-) 25 % to (+) 25 % |
| B. | (-) 50 % to (+) 50 % |
| C. | (-) 75 % to (+) 75 % |
| D. | (-) 95 % to (+) 95 % |
| Answer» B. (-) 50 % to (+) 50 % | |
| 26. |
Width of he broadband determines measure of |
| A. | rigidity |
| B. | firmness |
| C. | hardness |
| D. | all of above |
| Answer» E. | |
| 27. |
For enhancing contrast, use of staining is done with |
| A. | heavy metal compounds |
| B. | light metal compounds |
| C. | metal compounds |
| D. | dual compounds |
| Answer» B. light metal compounds | |
| 28. |
Electron microscope is used for specimens that are |
| A. | open |
| B. | small |
| C. | big |
| D. | in vacuum |
| Answer» E. | |
| 29. |
Magnitude increase in voltage has enabled high voltage electron microscopes to be used with |
| A. | thinner specimens |
| B. | thicker specimens |
| C. | moderate specimens |
| D. | crystallized specimens |
| Answer» C. moderate specimens | |
| 30. |
Electrons can only act if they are waves with a wavelength of order of |
| A. | 0.005 nm |
| B. | 0.05 nm |
| C. | 0.5 nm |
| D. | 0.2 nm |
| Answer» B. 0.05 nm | |
| 31. |
Increased sensitivity in scanning electron microscopy has resulted in |
| A. | reduced exposure time |
| B. | limited radiation damage |
| C. | both a and b |
| D. | increased radiation damage |
| Answer» D. increased radiation damage | |
| 32. |
Dark field electron microscopy is used to show presence of crystalline regions appearing |
| A. | dark against light background |
| B. | light against dark background |
| C. | dark |
| D. | light |
| Answer» C. dark | |
| 33. |
Fibers can also be examined using |
| A. | microscopy |
| B. | force microscopy |
| C. | atomic force microscopy |
| D. | atomic microscopy |
| Answer» D. atomic microscopy | |
| 34. |
Nature of Tomograpgic reconstruction produced by tilting position of specimen is |
| A. | one dimensional |
| B. | two dimensional |
| C. | three dimensional |
| D. | four dimensional |
| Answer» D. four dimensional | |
| 35. |
Advances done in electron microscopy include developments in |
| A. | electronics |
| B. | digital processing |
| C. | information technology |
| D. | all of above |
| Answer» E. | |
| 36. |
Example/s of use of atomic force microscopy by Maxwell is/are |
| A. | study of morphology |
| B. | study of nano-mechanical properties |
| C. | effect of moisture absorption in cotton |
| D. | all of above |
| Answer» E. | |
| 37. |
Obtaining contrast in electron microscopy is |
| A. | easy |
| B. | difficult |
| C. | impossible |
| D. | time consuming |
| Answer» C. impossible | |
| 38. |
Contrast is emphasized by a technique in which heavy metal atoms are deposited on specimen to give appearance of |
| A. | shadows |
| B. | light |
| C. | dark spots |
| D. | halo |
| Answer» B. light | |
| 39. |
Scanning has been applied to the |
| A. | computerized mode |
| B. | electronic mode |
| C. | transmission mode |
| D. | receiving mode |
| Answer» D. receiving mode | |
| 40. |
Tapping mode of atomic force microscopy can be used to show differences in |
| A. | modulus |
| B. | elastic modulus |
| C. | fibre modulus |
| D. | line modulus |
| Answer» C. fibre modulus | |
| 41. |
Quantitative determination of twist angles in wool is done by |
| A. | tomography |
| B. | electrography |
| C. | spectroscopy |
| D. | microscopy |
| Answer» B. electrography | |
| 42. |
Very useful detail can be obtained from study of |
| A. | minerals |
| B. | replicas |
| C. | stones |
| D. | flat surfaces |
| Answer» C. stones | |
| 43. |
In scanning electron microscope method, image formed looks like an ordinary |
| A. | image |
| B. | picture |
| C. | enlarged image |
| D. | light spectrum |
| Answer» D. light spectrum | |
| 44. |
Technique in which an image is formed from a particular selected band of diffracted electrons is called as |
| A. | Dark field electron microscopy |
| B. | Light field electron microscopy |
| C. | Dull field electron microscopy |
| D. | Field electron microscopy |
| Answer» B. Light field electron microscopy | |
| 45. |
Tapping mode of atomic force microscopy gives |
| A. | stiffness to the material |
| B. | softness to the material |
| C. | strength to the material |
| D. | base |
| Answer» B. softness to the material | |
| 46. |
Main use of scanning electron microscopy in fibre science has been in range of |
| A. | medium magnification |
| B. | high magnification |
| C. | high to medium magnification |
| D. | medium to high magnification |
| Answer» E. | |
| 47. |
Specimens used in electron microscopy must be less than |
| A. | 0.1 micrometer thick |
| B. | 0.2 micrometer thick |
| C. | 0.25 micrometer thick |
| D. | 0.3 micrometer thick |
| Answer» B. 0.2 micrometer thick | |
| 48. |
Polymers of which fibers are composed may also be examined as |
| A. | thick films |
| B. | thin films |
| C. | moderate films |
| D. | film of different sizes |
| Answer» C. moderate films | |
| 49. |
Scanning electron microscope has an advantage of |
| A. | smaller depth of focus |
| B. | larger depth of focus |
| C. | small particle focus |
| D. | bigger particle focus |
| Answer» C. small particle focus | |
| 50. |
For getting internal details another technique used includes examination of fragments that are left behind after |
| A. | mechanical degradation |
| B. | chemical degradation |
| C. | both a and b |
| D. | fibre degradation |
| Answer» D. fibre degradation | |