MCQOPTIONS
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MCQOPTIONS
This section includes 224 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
On eccentrically loaded columns, the equivalent axial load may be obtained by |
| A. | adding the axial load, eccentric load, the product of the bending moment due to eccentric load and the appropriate bending factor |
| B. | adding the axial load and eccentric load and subtracting the product of bending moment and appropriate bending factor |
| C. | dividing the sum of axial load and eccentric load by the product of the bending moment and appropirate bending factor |
| D. | none of these. |
| Answer» B. adding the axial load and eccentric load and subtracting the product of bending moment and appropriate bending factor | |
| 2. |
If d is the distance between the flange angles, the vertical stiffeners in plate girders are spaced not greater than |
| A. | d |
| B. | 1.25 d |
| C. | 1.5 d |
| D. | 1.75 d |
| Answer» D. 1.75 d | |
| 3. |
Rolled steel angle sections are classified as |
| A. | equal angles |
| B. | unequal angles |
| C. | bulb angles |
| D. | all the above. |
| Answer» E. | |
| 4. |
The allowable stress in axial tension is generally kept less if thickness of the member is more than |
| A. | 10 mm |
| B. | 12 mm |
| C. | 15 mm |
| D. | 20 mm |
| Answer» E. | |
| 5. |
A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 350 |
| Answer» E. | |
| 6. |
For steel members not exposed to weather, the thickness of steel should not be less than |
| A. | 4.5 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 7. |
If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is |
| A. | 60 |
| B. | 70 |
| C. | 80 |
| D. | 90 |
| Answer» D. 90 | |
| 8. |
When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from |
| A. | each web |
| B. | each flange |
| C. | both webs |
| D. | each web or one hole from each flange whichever is less. |
| Answer» E. | |
| 9. |
The moment of the couple set up in a section of a beam by the logitudinal compressive and tensile force, is known as |
| A. | bending moment |
| B. | moment of resistance |
| C. | flexural stress moment |
| D. | none of these. |
| Answer» C. flexural stress moment | |
| 10. |
In a fillet weld placed on the sides of the base, the metal experiences |
| A. | shear |
| B. | tension |
| C. | compression |
| D. | all the above. |
| Answer» E. | |
| 11. |
A fillet weld whose axis is parallel to the direction of the applied load, is known as |
| A. | diagonal filler weld |
| B. | end fillet weld |
| C. | side fillet weld |
| D. | all the above. |
| Answer» D. all the above. | |
| 12. |
The ratio of the span L of the filler joists to the depth d from the under side of the joist to the top of the structural concrete, should not exceed |
| A. | 60 |
| B. | 45 |
| C. | 35 |
| D. | 25 |
| Answer» D. 25 | |
| 13. |
Efficiency of a riveted joint is defined as the ratio of |
| A. | least strength of a riveted joint to the strength of solid plate |
| B. | greatest strength of a riveted joint to the strength of solid plate |
| C. | least strength of a riveted plate to the greatest strength of the riveted joint |
| D. | all the above. |
| Answer» E. | |
| 14. |
The effective length L of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by |
| A. | L = span |
| B. | L = 0.85 span |
| C. | L = 0.75 span |
| D. | L = 0.7 span |
| Answer» C. L = 0.75 span | |
| 15. |
Rolled steel Tee-sections are used |
| A. | as columns |
| B. | with flat strips to connect plates in steel rectangular tanks |
| C. | as built up sections to resist axial tension |
| D. | none of these. |
| Answer» C. as built up sections to resist axial tension | |
| 16. |
An imaginary line along which rivets are placed, is known as |
| A. | rivet line |
| B. | scrieve line |
| C. | back line |
| D. | all the above. |
| Answer» E. | |
| 17. |
A beam is defined as a structural member subjected to |
| A. | axial loading |
| B. | transverse loading |
| C. | axial and transverse loading |
| D. | none of these. |
| Answer» C. axial and transverse loading | |
| 18. |
The stress in the wall of a thin cylinder subjected to internal pressure, is |
| A. | hoop compression |
| B. | shear |
| C. | torsional shear |
| D. | hoop tension. |
| Answer» E. | |
| 19. |
IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every |
| A. | 1.00 mm thickness of packing |
| B. | 1.50 mm thickness of packing |
| C. | 2.0 mm thickness of packing |
| D. | 2.50 mm thickness of packing |
| Answer» D. 2.50 mm thickness of packing | |
| 20. |
A structural member subjected to compressive stress in a direction parallel to its longitudinal axis, is generally known as |
| A. | column |
| B. | stanchion |
| C. | post |
| D. | all the above. |
| Answer» E. | |
| 21. |
In a truss girder of a bridge, a diagonal consists of mild steel flat 4001.S.F. and carries a pull of 80 tonnes. If the grossdiameter of the rivet is 26 mm, the number of rivets required in the splice, is |
| A. | 6 |
| B. | 7 |
| C. | 8 |
| D. | 9 |
| Answer» D. 9 | |
| 22. |
A riveted joint many experience |
| A. | tearing failure of plates |
| B. | bearing failure of plates |
| C. | splitting failure of plates at the edges |
| D. | all the above. |
| Answer» E. | |
| 23. |
The permissible bearing stress in steel, is |
| A. | 1500 kg/cm² |
| B. | 1890 kg/cm² |
| C. | 2025 kg/cm² |
| D. | 2340 kg/cm² |
| Answer» C. 2025 kg/cm² | |
| 24. |
Working shear stress on the gross area of a rivet as recommended by Indian Standards, is |
| A. | 785 kg/cm² |
| B. | 1025 kg/cm² |
| C. | 2360 kg/cm² |
| D. | none of these. |
| Answer» C. 2360 kg/cm² | |
| 25. |
According to I.S. : 800 - 1871, lacing bars resist transverse shear equal to |
| A. | 1.0% of the axial load |
| B. | 2.0% of the axial load |
| C. | 2.5% of the axial load |
| D. | 3.0% of the axial load |
| Answer» D. 3.0% of the axial load | |
| 26. |
For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is |
| A. | l = 0.7L |
| B. | l = 0.75L |
| C. | l = 0.85L |
| D. | l = 0.5L |
| Answer» C. l = 0.85L | |
| 27. |
In a built up section carrying a tensile force, the flanges of two channels are turned outward |
| A. | to simplify the transverse connections |
| B. | to minimise lacing |
| C. | to have greater lateral rigidity |
| D. | all the above |
| Answer» D. all the above | |
| 28. |
The bending moment for filler joists at the middle of at intermediate span, is |
| A. | WL²/10 |
| B. | -WL²/10 |
| C. | -WL²/12 |
| D. | WL²/12 |
| Answer» E. | |
| 29. |
Allowable working stress corresponding to the slenderness ratio of double angles placed back to back and connected to one side of a gusset plate, is reduced to |
| A. | 50% |
| B. | 60% |
| C. | 70% |
| D. | 80% |
| Answer» E. | |
| 30. |
A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to depth, is |
| A. | < 19 |
| B. | < 24 |
| C. | > 19 |
| D. | > 24 |
| Answer» C. > 19 | |
| 31. |
To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be |
| A. | < L/3 |
| B. | < L/6 |
| C. | > L/3 |
| D. | > L/6 |
| Answer» C. > L/3 | |
| 32. |
The main assumption of the method of simple design of steel frame work, is : |
| A. | beams are simply supported |
| B. | all connections of beams, girders and trusses are virtually flexible |
| C. | members in compression are subjected to forces applied at appropriate eccentricities |
| D. | all the above. |
| Answer» E. | |
| 33. |
For a rectangular section, the ratio of the maximum and average shear stresses, is |
| A. | 1.5 |
| B. | 2.0 |
| C. | 2.5 |
| D. | 3.0 |
| Answer» B. 2.0 | |
| 34. |
For a steel grillage footing to support two unequal column loads |
| A. | line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing |
| B. | trapezoidal shape is used for the base footing |
| C. | projections of beams on either side in lower tier are such that bending moments under columns are equal |
| D. | all the above. |
| Answer» E. | |
| 35. |
The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called |
| A. | modulus of elasticity |
| B. | shear modulus of elasticity |
| C. | bulk modulus of elasticity |
| D. | all the above. |
| Answer» E. | |
| 36. |
If d is the distance between the flange angles, the vertical stiffeners in plate girders without horizontal stiffeners, are spaced at a distance not less than |
| A. | 0.15 d |
| B. | 0.22 d |
| C. | 0.33 d |
| D. | 0.44 d |
| Answer» D. 0.44 d | |
| 37. |
The minimum pitch of rivet holes of diameter d should not be less than |
| A. | d |
| B. | 1.25 d |
| C. | 1.5 d |
| D. | 2.5 d |
| Answer» E. | |
| 38. |
In double lacing, the thickness t of flat lacing is |
| A. | t < 1/40 th length between inner end rivets |
| B. | t < 1/50 th length between inner end rivets |
| C. | t < 1/60 th length between inner end rivets |
| D. | t < 1/70 th length between inner end rivets |
| Answer» D. t < 1/70 th length between inner end rivets | |
| 39. |
The tensile strength of mild steel for bolts and nuts should not be less than |
| A. | 32 kg/mm² |
| B. | 36 kg/mm² |
| C. | 40 kg/mm² |
| D. | 44 kg/mm² |
| Answer» E. | |
| 40. |
As per ISI, rolled steel beam sections are classified into |
| A. | two series |
| B. | three series |
| C. | four series |
| D. | five series. |
| Answer» E. | |
| 41. |
Effective sectional area of a compression member is : |
| A. | gross sectional area - area of rivet hole |
| B. | gross sectional ares + area of rivet hole |
| C. | gross sectional ares x area of rivet hole |
| D. | gross sectional ares + area of rivet hole. |
| Answer» B. gross sectional ares + area of rivet hole | |
| 42. |
The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at |
| A. | the neutral axis of the section |
| B. | 2/3rd of the depth of the neutral axis from the compression flange |
| C. | 2/5th of the depth of the neutral axis from the compression flange |
| D. | 2/5th of the height of the neutral axis from tension flange |
| Answer» D. 2/5th of the height of the neutral axis from tension flange | |
| 43. |
The effective length of a double angle strut with angles placed back to back and connected to both the sides of a gusset plate, by not less than two rivets, is |
| A. | 0.5 L |
| B. | 0.67 L |
| C. | 0.85 L |
| D. | L |
| Answer» D. L | |
| 44. |
The rolled steel I-sections are most commonly used as beams because these provide |
| A. | large moment of inertia with less cross-sectional area |
| B. | large moment of resistance as compared to other section |
| C. | greater lateral stability |
| D. | all the above. |
| Answer» E. | |
| 45. |
The thickness t of a single flat lacing should not be less than |
| A. | 1/30 th length between inner end rivets |
| B. | 1/40 th length between inner end rivets |
| C. | 1/50 th length between inner end rivets |
| D. | 1/60 th length between inner end rivets |
| Answer» C. 1/50 th length between inner end rivets | |
| 46. |
Secant formula for direct stress in compression, is applicable only for slenderness ratio upto |
| A. | 120 |
| B. | 130 |
| C. | 140 |
| D. | 150 |
| Answer» D. 150 | |
| 47. |
A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than |
| A. | d/250 for structural steel |
| B. | d/225 for high tensile steel |
| C. | both (c) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |
| 48. |
For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels). |
| A. | 4 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 49. |
For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of |
| A. | the section |
| B. | the section plus area of rivet holes |
| C. | the section minus area of rivet holes |
| D. | tthe section multiplied by the area of the rivet hole. |
| Answer» D. tthe section multiplied by the area of the rivet hole. | |
| 50. |
Perforated cover plates are particularly suitable for built up sections consisting of |
| A. | channels placed back to back |
| B. | channels placed toe to toe |
| C. | four angle box section |
| D. | all the above. |
| Answer» D. all the above. | |