MCQOPTIONS
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MCQOPTIONS
This section includes 40 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The LZO compression format is composed of approximately __________ blocks of compressed data. |
| A. | 128k |
| B. | 256k |
| C. | 24k |
| D. | 36k |
| Answer» C. 24k | |
| 2. |
__________ typically compresses files to within 10% to 15% of the best available techniques. |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» C. Gzip | |
| 3. |
Which of the following is based on the DEFLATE algorithm? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 4. |
Which of the following is the slowest compression technique? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» C. Gzip | |
| 5. |
Which of the following supports splittable compression? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» B. Bzip2 | |
| 6. |
Which of the following compression is similar to Snappy compression? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» B. Bzip2 | |
| 7. |
As per IS 800 – 2007, the permitted slenderness ratio for a bracing member in case of hangers shall be |
| A. | 140 |
| B. | 145 |
| C. | 150 |
| D. | 160 |
| Answer» E. | |
| 8. |
Effective buckling length of a steel angle connected by double rivets is |
| A. | 0.7 L |
| B. | 0.85 L |
| C. | L |
| D. | 1.3 L |
| Answer» C. L | |
| 9. |
A battened column subjected to an axial force of 1100 kN. Battens are placed at 1.25 m centre to centre. Depth of batten plate is 300 mm, length is 363 mm, thickness is 6 mm and on two planes. The bending moment in the batten is: |
| A. | 9.6 kNm |
| B. | 8.6 kNm |
| C. | 10.6 kNm |
| D. | 7.6 kNm |
| Answer» C. 10.6 kNm | |
| 10. |
A steel column (fy = 250 N/mm2, and fcd = 200 N/mm2) of effective sectional area 6000 mm2 will have strength equal to _____. |
| A. | 1200 kN |
| B. | 1500 kN |
| C. | 2460 kN |
| D. | 3000 kN |
| Answer» B. 1500 kN | |
| 11. |
Four vertical columns of the same material, height and have the same end conditions. The buckling load will be the largest for column having the cross-section of |
| A. | solid square |
| B. | thin hallow circle |
| C. | solid circle |
| D. | H- section |
| Answer» C. solid circle | |
| 12. |
According to IS 800:2007 partial safety factor for resistance governed by yielding is? |
| A. | 1.5 |
| B. | 1.25 |
| C. | 1.1 |
| D. | 1.2 |
| Answer» D. 1.2 | |
| 13. |
If L is the length between the inner end bolts or welds of a lacing bar, the thickness of the lacing bar for a single lacing system should not be less than |
| A. | L/30 |
| B. | L/40 |
| C. | L/50 |
| D. | L/60 |
| Answer» C. L/50 | |
| 14. |
For connecting lacing flats to column section with 18mm diameter bolt, the minimum width of flat required is |
| A. | 36 mm |
| B. | 54 mm |
| C. | 72 mm |
| D. | 90 mm |
| Answer» C. 72 mm | |
| 15. |
Keeping other parameters unchanged for a compression member in steel, which buckling class section carries maximum axial compressive stresses comparatively? |
| A. | c |
| B. | a |
| C. | d |
| D. | b |
| Answer» C. d | |
| 16. |
ISMB 100 (rx = 40 mm, ry = 10 mm) has been used as a column in an industrial shed. Along the minor axis, the column has restraints in the form of purlins at 1.0 m intervals. Effective length factor along major and minor axes are 1.2 and 1.0, respectively. If the slenderness ratio is restricted to 120, the maximum column height will be |
| A. | 1.0 m |
| B. | 2.4 m |
| C. | 4.0 m |
| D. | 4.8 m |
| Answer» D. 4.8 m | |
| 17. |
In an unloaded structure, as erected, the tolerance limit of deviation of distance between adjacent columns after erection is |
| A. | 0.002 h, h is the height of the column |
| B. | 5 mm |
| C. | 10 mm |
| D. | 0.0035 h |
| E. | 0.0025 he, he is the effective length of the column |
| Answer» C. 10 mm | |
| 18. |
For members subjected to bending, the stiffner provided to provide local reinforcement to a web under shear and bearing is called as |
| A. | Intermediate transverse web stiffner |
| B. | Load carrying stiffner |
| C. | Bearing stiffner |
| D. | Torsion stiffner |
| E. | Diagonal stiffner |
| Answer» F. | |
| 19. |
Lacing of compound steel columns |
| A. | increases the load-carrying capacity |
| B. | decreases the chances of local buckling |
| C. | decreases overall buckling of the column |
| D. | assures unified behaviour |
| Answer» E. | |
| 20. |
As per IS 800:2007, the slenderness ratio of lacing shall not exceed: |
| A. | 145 |
| B. | 155 |
| C. | 140 |
| D. | 150 |
| Answer» B. 155 | |
| 21. |
IS: 800-2007 limits the width-to-thickness ratios of the elements of a steel section to place a check on |
| A. | bending buckling |
| B. | torsional buckling |
| C. | flexural-torsional buckling |
| D. | local buckling |
| Answer» E. | |
| 22. |
A steel column is restrained against both translation and rotation at one end and is restrained only against rotation but free to translate at the other end. Theoretical and design (IS: 800 – 2007) values, respectively, of effective length factor of the column are |
| A. | 1.0 and 1.0 |
| B. | 1.2 and 1.0 |
| C. | 1.0 and 1.2 |
| D. | 1.2 and 1.2 |
| Answer» D. 1.2 and 1.2 | |
| 23. |
Effective length of a column effectively held in position and restrained in directions at both ends is |
| A. | L |
| B. | 0.67 L |
| C. | 0.85 L |
| D. | 1.5 L |
| Answer» C. 0.85 L | |
| 24. |
A wind brace is to be provided between two columns spaced at 5 m, at an inclination of 30° with the horizontal, to resist a tension of 320 kN developed by a wind force. The effective area required will be nearly (considering 150 N/mm2 as a relevant factor) |
| A. | 1670 mm2 |
| B. | 1640 mm2 |
| C. | 1600 mm2 |
| D. | 1570 mm2 |
| Answer» D. 1570 mm2 | |
| 25. |
According to 1S 800-2007, what is the maximum effective slenderness ratio for a member carrying compressive loads resulting from dead loads and imposed loads? |
| A. | 250 |
| B. | 300 |
| C. | 400 |
| D. | 180 |
| Answer» E. | |
| 26. |
For compression members with double angle section, unequal angles are preferred to equal angles because |
| A. | they are easy for connection |
| B. | they lead to large value of minimum radius of gyration |
| C. | they have lesser effective length |
| D. | of saving in guest plate material |
| Answer» C. they have lesser effective length | |
| 27. |
A strut is a structural member subjected to |
| A. | Tension in a direction parallel to its longitudinal axis |
| B. | Tension in a direction perpendicular to its longitudinal axis |
| C. | Compression in a direction parallel to its longitudinal axis |
| D. | Compression in a direction perpendicular to its longitudinal axis |
| Answer» D. Compression in a direction perpendicular to its longitudinal axis | |
| 28. |
A beam column for a non-sway column in a building frame is subjected to a factored axial load of 500 kN, factored moment at bottom of column of 45 kNm. For ISHB 200, the values are A = 4750 mm2, γy = 45.1, h = 200 mm, b = 200 mm, bf = 9 mm and the effective length is 0.8 L. Its buckling load will be |
| A. | 910 kN |
| B. | 930 kN |
| C. | 950 kN |
| D. | 980 kN |
| Answer» D. 980 kN | |
| 29. |
A column splice is used to increase : |
| A. | length of the column |
| B. | strength of the column |
| C. | cross – sectional area of the column |
| D. | none of these |
| Answer» B. strength of the column | |
| 30. |
According to IS 800 : 2007, the limiting value of slenderness ratio λ for a member subjected to compressive load resulting from wind and earthquake forces is ______. |
| A. | 180 |
| B. | 250 |
| C. | 210 |
| D. | 150 |
| Answer» C. 210 | |
| 31. |
Batten provided for a compression member shall be designed to carry a transverse shear equal to |
| A. | 10% of axial force in the member |
| B. | 20% of axial force in the member |
| C. | 2.5% of axial force in the member |
| D. | 5% of axial force in the member |
| Answer» B. 20% of axial force in the member | |
| 32. |
A purely compression member (with negligible eccentricity) having its effective length equal to 3 times its radius of gyration would be treated as |
| A. | Pedestal |
| B. | Strut |
| C. | Long column |
| D. | Rotating shaft |
| E. | Member subjected to bending and shear |
| Answer» B. Strut | |
| 33. |
THE_LZO_COMPRESSION_FORMAT_IS_COMPOSED_OF_APPROXIMATELY____________BLOCKS_OF_COMPRESSED_DATA.?$ |
| A. | 128k |
| B. | 256k |
| C. | 24k |
| D. | 36k |
| Answer» C. 24k | |
| 34. |
__________ typically compresses files to within 10% to 15% of the best available techniques? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» C. Gzip | |
| 35. |
Which of the following is based on the DEFLATE algorithm ? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 36. |
Gzip (short for GNU zip) generates compressed files that have a _________ extension. |
| A. | .gzip |
| B. | .gz |
| C. | .gzp |
| D. | .g |
| Answer» C. .gzp | |
| 37. |
Which of the following is the slowest compression technique ? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» C. Gzip | |
| 38. |
Which of the following supports splittable compression ? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» B. Bzip2 | |
| 39. |
Which of the following compression is similar to Snappy compression ? |
| A. | LZO |
| B. | Bzip2 |
| C. | Gzip |
| D. | All of the mentioned |
| Answer» B. Bzip2 | |
| 40. |
The _________ codec from Google provides modest compression ratios. |
| A. | Snapcheck |
| B. | Snappy |
| C. | FileCompress |
| D. | None of the mentioned |
| Answer» C. FileCompress | |