MPSC Maharashtra Engineering (Civil) Services Main Exam-2017- Civil Engineering -Paper-1

MPSC Maharashtra Engineering (Civil) Services Main Exam-2017- Civil Engineering -Paper-1

1. In the moment distribution method, the carry over moment is equal to

(1) Double of its corresponding distributed moment and has same sign

(2) One-half of its corresponding distributed moment and has same sign

(3) One-half of its corresponding distributed moment and has opposite sign

(4) None of the above

2. A continuous beam ABC is simply supported at supports A, B and C. Portion AB has span of 6 m and BC 4 m. Portion AB is loaded’ with a concentrated load of 120 kN downward at 3 m from A. The qualitative reactions shall be

(1) Reactions at A and B shall be upward and reaction at C shall be zero

(2) Reactions at A and B shall be upward and reaction at C shall be downward

(3) All reactions i.e., at A, B and C shall be upwards

(4) None of the above

3. A beam AB is simply supported and has flexural rigidity EI. The flexural strain energy of the beam having span 6 m and carrying a central point load of 10 kN is

(1) 142.38/EI

(2) 775/EI

(3) 225/EI

(4) None of the above

4. A given determinate truss is loaded with gravity loads. Under these loads different nodes undergo deflection horizontally and vertically. Thereafter the truss is subjected to a temperature drop of 50°C in the lower chord only. The coefficient of expansion or contraction α = 11.7 x 10 -6 /C. Which of the following statements is true?

(1) Vertical and horizontal deflection along lower chord nodes remains the same.

(2) Vertical and horizontal deflections along lower chord nodes shall change.

(3) Horizontal deflection along lower chord nodes shall change but vertical deflection shall not change

(4) None of the above

5. If the span and dip of a parabolic cable are L and h respectively, then the length of the cable is approximately equal to

(1) L + 3/8 h

(2) L + 8/3 h

(3) L + 3/8 h²/L

(4) L + 8/3 h²/L

6. A structure is said to be statically indeterminate when

(1) The number of unknown reaction components exceeds the number of equilibrium conditions.

(2) The number of equilibrium conditions exceeds the number of unknown reaction components.

(3) The number of equilibrium conditions equal to the number of unknown reaction components.

(4) None of the above

7. The flexibility method is also known as the

(1) Energy method

(2) Equilibrium method

(3) Displacement method

(4) Force method

8. A beam ABC is simply supported at A and B, BC is overhanging. Span AB = 8 m, BC = 2 m. Point ‘D’ is situated at 3 m from A. Using an influence line diagram or otherwise, find the maximum ordinates at ‘D’ of the influence line diagram for shear at ‘D’.

(1) – 0.375

(2) – 0.625

(3) + 0.625

(4) + 1.875

9. For compression members with double angle section, unequal angles are preferred to equal angles because

(1) They are easy for connection

(2) They lead to large value of minimum radius of gyration

(3) They have lesser effective length

(4) Of saving in gusset plate material

10. Minimum pitch for riveted connections should not be less than

(1) 1.5 times the hole diameter

(2) 2.5 times the hole diameter

(3) 1.5 times the nominal diameter of rivet

(4) 2.5 times the nominal diameter of rivet

11. The top chord of a roof truss is inclined at an angle of 20°, no access is provided for maintenance. The live load to be considered for the design will be

(1) Zero

(2) 0.4 kN/m²

(3) 0.75 kN/m²

(4) 0.55 kN/m²

12. If a structure is under fatigue stresses, then the welded joints as compared to riveted joints will fail

(1) Earlier

(2) Later

(3) At the same time

(4) Not at all

13. The deep structural members subjected to transverse loads are called

(1) Beams

(2) Columns

(3) Plate girders

(4) Trusses

14. In a singly reinforced balanced section, if M 30 concrete and Fe 415 steel is used, then the value of neutral axis factor (ku_max) in L.S.M

(1) 0.42

(2) 0.46

(3) 0.48

(4) 0.52

15. The maximum area of tension steel in a beam shall not exceed

(1) 0.15 bD

(2) 0.12 bD

(3) 0.04 bD

(4) 1.00 bD

16. The maximum spacing of shear reinforcement measured along the axis of the member shall not exceed _______ for the vertical stirrups, where ‘d’ is the effective depth of the section.

(1) 0.5 d

(2) 0.7 d

(3) 0.75 d

(4) 0.65 d

17. Determine the minimum and maximum longitudinal reinforcement for a square column of size 300 mm x 300 mm having a clear cover of 25 mm.

(1) 500 mm² and 3750 mm²

(2) 500 mm² and 5400 mm²

(3) 720 mm² and 3750 mm²

(4) 720 mm² and 5400 mm²

18. For a simply supported beam of span 12 m, the basic value of span to effective depth ratio is

(1) 20

(2) 26

(3) 65/3

(4) 50/3

19. The height of a retaining wall is 5.5 m. It is to be designed as

(1) Cantilever type

(2) Counterfort type

(3) Cantilever or counterfort type

(4) None of the above

20. A shear key is provided in a retaining wall to avoid

(1) Sliding

(2) Overturning

(3) Buckling

(4) Bending

21. The imposed floor load acting on staircase for residential and educational buildings is to be considered as

(1) 2.0 kN/m² and 3.0 kN/m²

(2) 3.0 kN/m² and 2.0 kN/m²

(3) 4.0 kN/m² and 3.0 kN/m²

(4) 3.0 kN/m² and 4.0 kN/m²

22. A simply supported rectangular prestressed concrete beam is subjected to uniformly distributed live load over its entire span, such that the resulting stress at the midspan at bottom fiber is zero. The eccentricity at that section is d/6 below the C.G., where d is the depth of’ the beam. Location of the thrust line at that section is

(1) At C.G.

(2) d/6 above C.G.

(3) d/6 below C.G.

(4) d/3 below C.G.

23. A 4.8 m long post-tensioned prestressed concrete beam is prestressed by a parabolic cable with eccentricity of 15 mrn above C.G. at both supports and 45 mm below C.G. at the midspan. The beam is tensioned from one end. In the estimation of maximum loss due to friction, what should be the cumulative angle turned by the parabolic profile?

(1) 0.01 radians

(2) 0.1 radians

(3) 0.15 radians

(4) 0.02 radians

24. In a pre-tensioned prestressed concrete cross-section,

Statement 1:

The stress in wires is assumed to be zero at the end supports and increases to its final maximum value over its transmission length.

Statement 2:

The bond stress between concrete and prestressed wires is maximum near the end supports and decreases to nearly zero over its transmission length.

(1) Statements 1 and 2 are true

(2) Statement 1 is true and statement 2 is false

(3) Statement 1 is false and statement 2 is true

(4) Statements 1 and 2 are false

25. What is the maximum possible eccentricity in a prestressed concrete beam of circular cross-section? Diameter of the section is d. Tension is not allowed anywhere and any time in the cross-section. Neglect dead load (self-weight).

(1) d/8

(2) d/6

(3) d/4

(4) d/3

26. The loss due to creep in prestressed concrete shall be determined considering

(1) All loads and prestressing force

(2) Live loads and prestressing force

(3) Permanent loads and prestressing force

(4) Permanent loads only

27. The limit state of collapse for prestressed concrete is

(1) Limit state of collapse : Deflection

(2) Limit state of collapse : Cracking

(3) Limit state of collapse : Maximum compression

(4) None of the above

28. The designed prestressed concrete element should satisfy the limits specified for permissible stresses at transfer stage as well as service condition. The prestressing force ‘P’ and eccentricity ‘e’ evaluated from those limits are

(1) Maximum value of ‘P’ and maximum value of ‘e’

(2) Maximum value of ‘P’ and minimum value of ‘e’

(3) Minimum value of ‘P’ and maximum value of ‘e’

(4) Minimum value of ‘P’ and minimum value of ‘e’

29. During tensioning of prestressing tendons the breakage of wires in any one prestressed concrete member shall not exceed

(1) 2.5%

(2) 7.5%

(3) 10%

(4) 12.5%

30. Who is known as the Father of Scientific Management?

(1) Robert Owen

(2) Elton Mayo

(3) F.W. Taylor

(4) Henry Fay01

31. ABC analysis is referred to as

(1) Always Better Control analysis

(2) Alphabetical Backup Control analysis

(3) Analytical Boost Crane analysis

(4) None of the above

32. A scaled drawing of the proposed construction site showing all the relevant features such as entry and exit points to the site, storage area for materials, toilets, workers quarters, etc. is called

(1) Construction Plan

(2) Job Layout

(3) Development Plan

(4) Architectural Plan

33. The event or events that immediately come before another event without any intervening events are called _______ events to that event.

(1) Successor

(2) Dummy

(3) Predecessor

(4) Slack

34. Which rule is used for numbering the events in a network, scientifically?

(1) Stevenson’s rule

(2) Jackson’s rule

(3) Fulkerson’s rule

(4) Watson’s rule

35. The cost inflow a firm receives if a machine still has value at the time of its disposal is known as

(1) Salvage value

(2) Purchase expenses

(3) Operating cost

(4) Ownership cost

36. Williams-Steiger Occupational Safety and Health Act (OSH Act) was passed in the year

(1) 1968

(2) 1970

(3) 1974

(4) 1972

37. Coefficient of traction for a crawler tractor is upto

(1) 0.9

(2) 0.6

(3) 1.2

(4) 1.0

38. Which of the following is a “Class-An item in ABC analysis?

(1) Items with low cost but large in number

(2) Items with average cost but moderate in number

(3) Items with high cost but few in number

(4) Items with high cost but large in number

39. Which of the following best defines “Negative Stock” ?

(1) Project ahead of schedule

(2) Project on schedule

(3) Project behind schedule

(4) None of the above

40. Quality circles in the construction industry can have the following participants:

(1) Engineers and architects

(2) Contractors and raw material suppliers

(3) Clients and consultants

(4) All of the above

41. The procedure adopted in the Gauss-Jordan method in solving linear simultaneous equations is

(1) It is required to assume initial approximate values of the variables.

(2) It reduces the given system of equations to a diagonal matrix

(3) It reduces the given system of equations to an equivalent triangular system.

(4) The given matrix is factored into lower and upper triangular matrices.

42. The Newton-Raphson method is said to have

(1) Linear convergence

(2) Superlinear convergence

(3) Quadratic convergence

(4) Oscillatory convergence

43. Back substitution is required in the following method (s) in the solution of linear simultaneous equations:

(1) Gauss-Elimination method

(2) Gauss-Jordan method

(3) Iterative method

(4) All of the above

44. During the determination of roots of equations x² + 2xy = 6 and x² – y² = 3 using the Newton-Raphson method, the value of Jacobian matrix ‘D’ is found to be

(1) -4

(2) -8

(3) – 12

(4) + 4

45. What is the minimum crushing strength of Granite used in India?

(1) 200 N/mm²

(2) 100 N/mm²

(3) 50 N/mm²

(4) 250 N/mm²

46. Which of the following is not a test for measuring the workability of concrete?

(1) Slump Test

(2) Flow Test

(3) Le Chatelier’s Test

(4) Compaction Factor Test

47. Which of the following is a field test for measuring the consistency of plastic concrete?

(1) Le Chatelier’s Test

(2) Compaction Factor Test

(3) Elongation Index Test

(4) Kelly Ball Test

48. In which type of bond is cavity existing?

(1) Flemish bond

(2) English bond

(3) Rat-trap bond

(4) Stretcher bond

49. Which of the following is a method of mechanical ventilation?

(1) Plenum System

(2) Bleeding System

(3) Segregation System,

(4) Natural Ventilation System

50. Gypsum is added to Portland cement during its manufacturing so that it may

(1) Accelerate the setting time

(2) Retard the setting time

(3) Decrease the burning temperature

(4) Facilitate grinding

51. Principles of planning for buildings include
52. Aspect and Prospect
53. Roominess
54. Grouping
55. Flexibility and Privacy

Answer options:

(1) a and b only

(2) b and d only

(3) a and c only

(4) a, b, c and d

52. Timber can be made reasonably fire-resistant by

(1) Soaking it in Ammoniam Sulphate

(2) Coating it with Tar paint

(3) Pumping creosote oil into timber under high pressure

(4) Seasoning process

53. Which of the following is not a non-destructive test?

(1) Rebound Hammer Test

(2) Surface Hardness Test

(3) Ultrasonic Pulse Velocity Test

(4) Soundness Test

54. Which is the major constituent of ordinary Portland cement?

(1) CaO

(2) MgO

(3) SO₃

(4) Fe₂0₃

55. Which is an example of cased cast-in-situ concrete pile?

(1) Raymond pile

(2) Watson pile

(3) Reynold pile

(4) Boston pile

56. The stress developed due to external force in an elastic material

(1) Depends on elastic constant

(2) Does not depend on elastic constant

(3) Depends partially on elastic constant

(4) Depends on limit of proportionality

57. In case of biaxial stresses, the maximum value of shear stress is

(1) Difference of normal stresses

(2) Half the difference of normal stresses

(3) Sum of normal stresses

(4) Half the sum of normal stresses

58. If a solid circular shaft is simultaneously subjected to a torque ‘T and a bending moment ‘M’, the ratio of maximum bending stress and maximum torsional shearing stress is given by

(1) MPT

(2) T/M

(3) 2MPT

(4) 2T/M

59. The slenderness ratio of a vertical column of square cross-section of 2.5 cm sides and 300 cm effective length, is

(1) 200

(2) 360

(3) 240

(4) 416

60. Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose

(1) One end is fixed and the other end is hinged

(2) Both the ends are hinged or pin-jointed

(3) One end is fixed and the other entirely free

(4) Both the ends are fixed

61. A circular shaft was initially subjected to bending moment and then was subjected to torsion. If the magnitude of bending moment is found to be the same as that of the torque, then the ratio of maximum bending stress to shear stress would be

(1) 0.25

(2) 0.50

(3) 2.0

(4) 4.0

62. The Euler’s crippling load for a 2 m long slender steel rod of uniform cross-section hinged at both the ends is 1 kN. The Euler’s crippling load for a 1 m long steel rod of the same cross-section and hinged at both the ends will be

(1) 0.25 kN

(2) 0.5 kN

(3) 2 kN

(4) 4 kN