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MCQOPTIONS
This section includes 287 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If L is the overall length of a combined footing having A as its area, d being the distance betweenthe centre of gravity of the base and centre of the base, the larger width b is |
| A. | (a/l) + (3ad/l²) |
| B. | (a/l) + (6ad/l²) |
| C. | (a/l) - (6ad/l²) |
| D. | (a/l) - (3ad/l²) |
| Answer» C. (a/l) - (6ad/l²) | |
| 2. |
The maximum permissible slenderness ratio of compression member carrying dead andsuperimposed load, is |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 350 |
| Answer» B. 200 | |
| 3. |
A single angle in tension is connected by one leg only. If the areas of connecting and outstandinglegs are respectively a and b, net effective area of the angle, is |
| A. | a - [b/{1 + 0.35 (b/a)}] |
| B. | a + [b/{1 + 0.35 (b/a)}] |
| C. | a - [b/{1 + 0.2 (b/a)}] |
| D. | a + [b/{1 + 0.2 (b/a)}] |
| Answer» C. a - [b/{1 + 0.2 (b/a)}] | |
| 4. |
Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300mm or |
| A. | 16 times the thickness of outside plate |
| B. | 24 times the thickness of outside plate |
| C. | 32 times the thickness of outside plate |
| D. | 36 times the thickness of outside plate |
| Answer» D. 36 times the thickness of outside plate | |
| 5. |
The ratio of the span L of the filler joists to the depth d from the underside of the joist to the topof the structural concrete, should not exceed |
| A. | 60 |
| B. | 45 |
| C. | 35 |
| D. | 25 |
| Answer» D. 25 | |
| 6. |
Spans of continuous fillers are considered approximately equal if the longest span does not exceedthe shortest span by more than |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 20 % |
| Answer» D. 20 % | |
| 7. |
The maximum axial load which is just sufficient to keep a column in a small deflected shape, iscalled |
| A. | crippling load |
| B. | buckling load |
| C. | critical load |
| D. | all the above |
| Answer» E. | |
| 8. |
If p and d are pitch and gross diameter of rivets, the efficiency ( ) of the riveted joint, is given by |
| A. | 0 |
| B. | 0 |
| C. | 0 |
| D. | 0 |
| Answer» D. 0 | |
| 9. |
When a load is transferred through one surface to another surface in contact, the stress is knownas |
| A. | tensile stress |
| B. | compressive stress |
| C. | shearing stress |
| D. | none of these |
| Answer» E. | |
| 10. |
A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span todepth, is |
| A. | < 19 |
| B. | < 24 |
| C. | > 19 |
| D. | > 24 |
| Answer» C. > 19 | |
| 11. |
The bending moment for filler joists at the middle of an intermediate span, is |
| A. | wl²/10 |
| B. | - wl²/10 |
| C. | - wl²/12 |
| D. | wl²/12 |
| Answer» E. | |
| 12. |
Strengths of a rivet in single shearing, in bearing and in tearing are 3425 kg, 4575 kg and 5025 kgrespectively. If the load in the member is 35 tonnes, the number of rivets required, is |
| A. | 10 |
| B. | 11 |
| C. | 12 |
| D. | 13 |
| Answer» E. | |
| 13. |
The effective length of a simply supported beam with ends restrained against torsion, and alsothe 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 | |
| 14. |
The distance measured along one rivet line from the centre of a rivet to the centre of adjoiningrivet on an adjacent parallel rivet line, is called |
| A. | pitch of rivet |
| B. | gauge distance of rivet |
| C. | staggered pitch |
| D. | all the above |
| Answer» D. all the above | |
| 15. |
For the steel member exposed to weather and accessible for repainting, the thickness of steelshould not be less than (accepting 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 | |
| 16. |
If the moment of inertia of a section about its axis is and its effective sectional area is , itsradius of gyration r about the axis, is |
| A. | r = i/a |
| B. | r i/a) |
| C. | r = (i/a) |
| D. | r a/i) |
| Answer» C. r = (i/a) | |
| 17. |
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. | |
| 18. |
To the calculated area of cover plates of a built-up beam, an allowance for rivet holes to be added,is |
| A. | 10 % |
| B. | 13 % |
| C. | 15 % |
| D. | 18 % |
| Answer» C. 15 % | |
| 19. |
IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shearstress 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. |
The main advantage of a steel member, is: |
| A. | its high strength |
| B. | its gas and water tightness |
| C. | its long service life |
| D. | all the above |
| Answer» E. | |
| 21. |
P E to be 25% of the computed valueof P and E respectively, the minimum value of the factor of safety is |
| A. | 1.00 |
| B. | 0.67 |
| C. | 1.67 |
| D. | 2.67 |
| Answer» D. 2.67 | |
| 22. |
If a pair of angles placed back to back in tension are connected by one leg of each angle, the neteffective area of the section, is |
| A. | a - [b/{1 + 0.35 (b/a)}] |
| B. | a + [b/{1 + 0.35 (b/a)}] |
| C. | a - [b/{1 + 0.2 (b/a)}] |
| D. | a + [b/{1 + 0.2 (b/a)}] |
| Answer» E. | |
| 23. |
When a tension member consists of two channel sections, the allowance for rivet hole is made fortwo holes from |
| A. | each web |
| B. | each flange |
| C. | each web or one hole from each flange whichever is more |
| D. | each web or one hole from each flange whichever is less |
| Answer» E. | |
| 24. |
The ratio of longitudinal stress to strain within elastic limit, is known as |
| A. | modulus of elasticity |
| B. | shear modulus of elasticity |
| C. | bulk modulus of elasticity |
| D. | all the above |
| Answer» B. shear modulus of elasticity | |
| 25. |
The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of theweb, is less than |
| A. | 45 |
| B. | 55 |
| C. | 62 |
| D. | 82 |
| Answer» E. | |
| 26. |
The maximum slenderness ratio of a steel column, the design of which is governed by wind orseismic forces is |
| A. | 150 |
| B. | 180 |
| C. | 250 |
| D. | 350 |
| Answer» D. 350 | |
| 27. |
Effective sectional area of a compression member is: |
| A. | gross sectional area - area of rivet hole |
| B. | gross sectional area + area of rivet hole |
| C. | gross sectional area × area of rivet hole |
| D. | gross sectional area + area of rivet hole |
| Answer» B. gross sectional area + area of rivet hole | |
| 28. |
The effective length of a double angle strut with angles placed back to back and connected to boththe 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. | 2 l |
| Answer» D. 2 l | |
| 29. |
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, thenimpact factor is taken as |
| A. | 0 |
| B. | 0.5 |
| C. | between 0.5 and 1.0 |
| D. | 1.0 |
| Answer» D. 1.0 | |
| 30. |
When a tension member is made of four angles with a plate as a web, the allowance for holes ismade as |
| A. | two holes for each angle and one hole for the web |
| B. | one hole for each angle and one hole for the web |
| C. | one hole for each angle and two holes for the web |
| D. | two holes for each angle and two holes for the web |
| Answer» D. two holes for each angle and two holes for the web | |
| 31. |
The spans are considered approximately equal if the longest span does not exceed the shortestspan by more than |
| A. | 5 % |
| B. | 10 % |
| C. | 15 % |
| D. | 20 % |
| Answer» D. 20 % | |
| 32. |
To keep the intensity of bearing pressure between the column base and concrete compressive andto vary from zero to 2P/BL, the ratio of the moment M to the axial load P should be |
| A. | l/2 |
| B. | l/3 |
| C. | l/4 |
| D. | l/6 |
| Answer» E. | |
| 33. |
The number of seismic zones in which the country has been divided is |
| A. | 3 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 34. |
Allowable working stress corresponding to the slenderness ratio of double angles placed back toback and connected to one side of a gusset plate, is reduced to |
| A. | 50 % |
| B. | 60 % |
| C. | 70 % |
| D. | 80 % |
| Answer» E. | |
| 35. |
If M is the moment due to a couple in a bearing plate whose width is b and allowable bendingstress is P, the thickness (t) of the bending plate of the column splice, is |
| A. | t b × p)/6m] |
| B. | t m/(b × p)] |
| C. | t = 6m/bp |
| D. | t m/(b × p) |
| Answer» C. t = 6m/bp | |
| 36. |
According to IS Specifications, the effective length of a column effectively held in position at bothends and restrained in direction at one end is taken as |
| A. | 0.67 l |
| B. | 0.8 l |
| C. | l |
| D. | 1.5 l |
| Answer» C. l | |
| 37. |
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably bebetween |
| A. | 10° to 30° |
| B. | 30° to 40° |
| C. | 40° to 70° |
| D. | 90° |
| Answer» D. 90° | |
| 38. |
If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as perUnwin's formula will be |
| A. | 16 mm |
| B. | 20 mm |
| C. | 24 mm |
| D. | 27 mm |
| Answer» D. 27 mm | |
| 39. |
Hudson's formula gives the dead weight of a truss bridge as a function of |
| A. | bottom chord area |
| B. | top chord area |
| C. | effective span of bridge |
| D. | heaviest axle load of engine |
| Answer» B. top chord area | |
| 40. |
For a cantilever beam of length continuous at the support and unrestrained against torsion atthe support and free at the end, the effective length is equal to |
| A. | l = l |
| B. | l = 2l |
| C. | l = 0.5l |
| D. | l = 3l |
| Answer» E. | |
| 41. |
If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-sectionis 5, the slenderness ratio of the stanchion, is |
| A. | 60 |
| B. | 70 |
| C. | 80 |
| D. | 100 |
| Answer» D. 100 | |
| 42. |
Effective length of a column effectively held in position at both ends and restrained in direction atone end, is |
| A. | l |
| B. | 0.67 l |
| C. | 0.85 l |
| D. | 1.5 l |
| Answer» D. 1.5 l | |
| 43. |
The maximum slenderness ratio of a compression member carrying both dead and superimposedload is |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 350 |
| Answer» B. 200 | |
| 44. |
The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, isrestricted to |
| A. | 180 t |
| B. | 220 t |
| C. | 230 t |
| D. | 270 t |
| Answer» E. | |
| 45. |
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameteris |
| A. | 1.0 mm |
| B. | 1.5 mm |
| C. | 2.0 mm |
| D. | 2.5 mm |
| Answer» C. 2.0 mm | |
| 46. |
If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a rivetedconnection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | 15 |
| Answer» C. 10 | |
| 47. |
Which of the following conditions is to be satisfied both in elastic and plastic analysis? |
| A. | equilibrium condition |
| B. | yield condition |
| C. | plastic moment condition |
| D. | mechanism condition |
| Answer» B. yield condition | |
| 48. |
When the depth of a plate girder is at least times the depth of vertical leg of the flange angles,the girder is known as deep plate girder, if is |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 49. |
If W and L are the total superimposed load and the span of a plate girder in metres, theapproximate self weight (W) of the girder, is taken as |
| A. | m = wl/100 |
| B. | m = wl/200 |
| C. | m = wl/300 |
| D. | m = wl/400 |
| Answer» D. m = wl/400 | |
| 50. |
Which of the following types of riveted joint is free from bending stresses? |
| A. | lap joint |
| B. | butt joint with single cover plate |
| C. | butt joint with double cover plates |
| D. | none of the above |
| Answer» D. none of the above | |