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  #1  
12th January 2017, 03:59 PM
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Model question paper for combined engineering services examination

Hi buddy here I am looking for Model question paper for combined engineering services examination, so will you plz provide me if you have it ??
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  #2  
13th January 2017, 08:54 AM
Super Moderator
 
Join Date: Aug 2012
Re: Model question paper for combined engineering services examination

As you are asking for Model question paper for combined engineering services examination, so on your demand I have provided same :

1. Which IS code is used for classification of timber for seasoning purposes?
(a)IS : 4970-1973
(b)IS : 1708-1969
(c)IS : 1141-1958
(d)IS: 399-1963

2. Consider the following with regard to `the application of preservation of timber' :
1. Increase in the life span of the member
2. Increase in the strength of the timber
3. Removal of moisture
4. Prevention of growth of fungi by killing them'
Which of the above are correct?
(a) 1, 2, 3and4
(b) 2 and 4 only
(c) 1 and 4 only
(d) 2 and 3 only

3. The plies in plywood are so placed that the grains of each ply are
(a) parallel to each other
(b) at right angle to one another
(c) 45° oblique to adjacent grain
(d) not constrained by any consideration

4. Which of the following is an ODD one as regards `requirements of good brick-earth?
(a) It must be free from lumps of lime
(b) It should not be mixed with salty water
(c) It must be non-homogeneous
(d) It should not contain vegetable and organic matter

5. The compressive strength of heavy-duty bricks, as per IS : 2980-1962,should be not less than
(a) 440 kg/cm2
(b) 175 kg/cm2
(c) 100 kg/cm2
(d) 75 kg/cm2

6. Consider the following statements :
1. Brickwork will have high water tightness.
2. Brickwork is preferred for monument structures.
3. Bricks resist fire better than stones.
4. Bricks of good quality shall have thin mortar bonds.
Which of the above statements are correct?
(a) l and 2
(b) 3 and 4
(c) 2 and3
(d) 1 and 4

7. Consider the following statements :
A good soil for making bricks should contain
1. 30% alumina
2. 10% lime nodules
3. only small quantity of iron oxides
4. 15% magnesia
Which of the above statements are correct?
(a) 1 and 2 only
(b) 1 and 3
(c) 1, 2and4
(d) 2, 3and4

8. Which compound of cement is responsible for strength of cement?
(a) Magnesium oxide
(b) Silica
(c) Alumina
(d) Calcium sulphate

9. Which type of cement is
recommended in large mass
concrete works such as a dam?
(a) Ordinary Portland
(b) High Alumina
(c) Low-heat Portland
(d) Portland Pozzollona

10. Consider the following statements regarding `setting of cement' :
1. Low-heat cement sets faster than OPC.
2. Final setting time decides the strength of cement.
3. Initial setting time of Portland Pozzollona is 30 minutes.
4. Air-induced setting is observed when stored under damp conditions.
5. Addition of gypsum retards the setting time.
Which of the above statements are correct?
(a) 1, 2and3
(b) 2, 3 and 4
(c) 3, 4 and 5
(d) 2, 3 and 5

11. Consider the following statements regarding 'strength of cement' :
1. Strength test on cement is made on cubes of cement-sand mix.
2. Water to be used for the paste is 0.25P, where P is the water needed for normal consistency.
3. The normal consistency is determined on Le Chatelier's apparatus.
4. Cubes are cast in two layers in leak-proof moulds further compacted in each layer by vibration on a machine.
Which of the above statements are correct?
(a) 1 and2
(b) 2 and 3
(c) 1 and4
(d) 3 and 4

12. Which of the following ingredients refer to binding materials of mortar?
1. Cement
2. Lime
3. Sand
4. Ashes
Select the correct answer using the code given below.
(a) 1 and 4
(b) 3 and 4
(c) 1 and 2
(d) 2 and 3

13. Consider the following statements :
1. Bricks in masonry are bound by mortar.
2. Mortars make bricks damp-proof.
3. Strength of brick in masonry is improved by plastering,
4. Addition of lime improves workability.
5. Marine constructions need sulphate-resistant cement mortar.
Which of the above statements are relevant for `cement mortar?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 4and5
(d) 3, 4 and 5

14. Consider the following parameters of concrete :
1. Impermeability
2. Compactness
3. Durability
4. Desired consistency
5. Workability
Which of the above parameters are relevant for 'water-cement ratio'?
(a) 4 and 5
(b) 1 and 2
(c) 2 and 4
(d) 3 and 5

15. The maximum total quantity of dry aggregate by mass per 50 kg of cement, to be taken as the sum of the individual masses of fine and coarse aggregates (kg), for M 20 grade of concrete, is
(a) 625
(b) 480
(c) 330
(d) 250

16. If aggregate size of 50-40 mm is to be tested for determining the proportion of elongated aggregates, the slot length of the gauge should be
(a) 45 mm
(b) 53 mm
(c) 81 mm
(d) 90 mm

17. Absorption capacity of an aggregate refers to the difference expressed in appropriate proportion in water content between
(a) a wet aggregate and a dry aggregate
(b) a dry aggregate and an oven-dry aggregate
(c) a saturated surface-dry aggregate and a dry aggregate
(d) a saturated surface-dry aggregate and an oven-dry aggregate

18. Consider the following statements concerning `elasticity of concrete' :
1. Stress-strain behaviour of concrete is a straight line up to 10% of ultimate stress.
2. Strain determination is obtained from tangent modulus.
3. Modulus of elasticity of concrete is also called as secant modulus.
Which of the above statements are correct?
(a) 1, 2 and 3
(b) 1 and 3 only
(c)I and 2 only
(d) 2 and 3 only

19. Consider the following statements The addition of CaC l2 in concrete results in
1. increased shrinkage
2. decreased setting time
3. decreased shrinkage
4. increased setting time
Which of the above statements is/are correct?
(a) 1 only
(b) 2 and 3
(c) 3and4
(d) 1 and 2

20. If the Poisson's ratio for a material is 0.5, then the elastic modulus for the material is
(a) three times its shear modulus
(b) four times its shear modulus
(c) equal to its shear modulus
(d) not determinable

21. A metal bar of 10 mm diameter when subjected to a pull of 23.5 kN gave an elongation of 0.3 mm on a gauge length of 200 mm. The Young's modulus of elasticity of the metal will nearly be
(a) 200 kN/mm2
(b) 300 kN/mm2
(c) 360 kN/mm2
(d) 400 kN/mm2

22. Consider the following statements :
If the planes at right angles carry only shear stress of magnitude q in a certannstance, ten te i i
1. diameter of Mohr's circle would be equal to 2q
2. centre of Mohr's circle would lie at the origin
3. principal stresses are unlike and are of magnitude q each
4. angle between the principal plane and the plane of maximum shear would be 45°
Which of the above statements are correct?
(a) 1, 2 and 3 only
(b) 1, 2 and 4 only
(c) 3 and 4 only
(d) 1, 2, 3 and 4

23. The state of two-dimensional stresses acting on a concrete lamina consists of a direct tensile stress az = 1.5 N/mm2 and shear stress r = 1.20 N/mm2, when cracking of concrete is just impending. The permissible tensile strength of the concrete is
(a) 1.50 N/mm2
(b) 2.17 N/mm2
(c) 2.08 N/mm2
(d) 2.29 N/mm2

24. The principal stresses at a point in a bar are 160 N/mm2 (tensile) and 80 N/mm2 (compressive). The accompanying maximum shear stress intensity is
(a) 100 N/mm2
(b) 110 N/mm2
(c) 120 N/mm2
(d) 140 N/mm2

25. At a point in the web of a girder,the bending and the shearing stresses are 90N/mm. 2 (tensile) and 45 N/mm2 respectively. The principal stresses are
(a) 108.64 N/mm2 (tensile) and 18.64 N/mm2 (compressive)
(b) 107.60 N/mm2 (compressive) and 18.64 N/mm2 (tensile)
(c) 108.64 N/mm2(compressive) and 18.64 N/mm2 (tensile)
(d) 0.64 N/mm2 (tensile) and 0.78 N/mm2 (compressive)

26. A simply supported beam has uniform cross-section, b = 100 mm, d = 200 mm, throughout its Iength. The beam is subjected to a maximum bending moment of 6x 107 N-mm. The corresponding
bending stress developed in the beam is
(a) 30 N/mm2
(b) 60 N/mm2
(c) 90 N/mm2
(d) 120 N/mm2

27. A fletched beam composed of two different pieces, each having breadth b and depth d, supports an external load. This statement implies that
1. the two different materials are rigidly connected
2. there will be relative movement between the two materials
3. for transforming into an equivalent single-material section under `strength' considerations, the depth is kept constant and only the breadth is varied
Which of the above statements are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3

28. A solid shaft of 80 mm diameter is transmitting 100 kW of power at 200 r.p.m. The maximum shear stress induced in the shaft will nearly be
(a) 60 N/mm 2
(b) 56 N/mm2
(c) 52 N/mm2
(d) 48 N/mm2

29. The power transmitted by a 75 mm diameter shaft at 140 r.p.m.,subjected to a maximum shear stress of 60 N/mm2, is nearly
(a) 68 kW
(b) 70 kW
(c) 73 kW
(d) 76 kW

30. A circular shaft of diameter D is subjected to a torque T. The maximum shear stress of the shaft will be
(a) proportional to D3
(b) proportional to D4
(c) inversely proportional to D3
(d) inversely proportional to D4


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