1. Consider the following statements :
1. IS 3583 refers to Burnt Clay Paving Bricks.
2. IS 5779 refers to Burnt Clay Soling Bricks.
3. Is 3952 refers to Burnt Clay Hallow Bricks.
4. Is 2222 refers to Burnt Clay Lay Bricks.
Which of the above statements are correct ?
a) 1, 2 and 3 only
b) 1, 2 nad 4 only
c) 3 and 4 only
d) 1, 2, 3 and 4
Ans:- D
2.Consider the following statements:
1. A high aggregate impact value indicates strong aggregates.
2. A low aggregate crushing value indicates.
3. Aggregates having elongation index values greater than 15% are generally
considered suitable for pavement construction.
4. Flakiness index of aggregates should not be less than 25% for use in road construction.
Which of the above statements are correct ?
a) 2 and 3 only
b) 2 and 4 only
c) 1 and 3 only
d) 1 and 4 only
Ans:- A
3. Consider the following statements regarding refractory bricks in furnaces :
1. The furnave is fired at temperatures more than 1700*C.
2. Silica content in the soil should be less than 40%
3. Water absorption of bricks should not exceed 10%.
4. Chrome bricks are known as basic brsic.
Which of the above statements are correct?
a) 1 and 2 only
b) 2 and 4 only
c) 1 and 3 only
d) 3 and 4 only
Ans:- C
4.Consider the following statements about lime :
1. Calcination of limestone result in quick lime.
2. Lime produced from pure variety of chalk hydraulic lime.
3.Hydrated lime is obtained by treating quick lime with water.
a) 1, 2 and 3
b) 1 and 2 only
c) 2 and 3 only
d) 1 and 3 only
Ans:-D
5.Consider the following statements :
1. If more water is added to concrete for increasing its workability, it results into concrete of low strenfgth.
2. No alump is an indication of a good workable concrete.
3. Higher the slump of concrete, lower will be its workability.
4. Workability of concrete is affected by water content as well as water-cement ratio.
Which of the above statements are correct ?
a) 1 and 3 only
b) 2 and 3 only
c) 1 and 4 only
d) 2 and 4 only
Ans:- C
6. Pozzalana used as an admixture in concrete has the followinng advantages :
1. It improves workability with lesser amount of water.
2. It increases the heat of hydration and so lets the concrete set quickly.
3. It increases the resistance of concrete to attack by caloium hydroxido.
Select the correct answerc using the codes given below :
a) 1, 2 and 3 only
b) 1, 2 and 4 only
c) 1, 3 and 4 only
d) 2, 3 and 4 only
Ans:-B
7.Consider the following statements regarding cyclopean Concrete :
1. Size of aggregate is more than 150 mm.
2. Size of aggregate is less than 150 mm.
3. High slump.
4. High temperature rise due to heat of hydration.
Which of the above statements are correct?
a) 1 and 3 only
b) 1 and 4 only
c) 2 and 3 only
d) 2 and 4 only
Ans:-B
8. In mild steel specimens subjected to tensile test cycle, the elastic limit in tension is raised and the elastic limit in compression is lowered. This is called
a) Annealing effect
b) Bauschinger effect
c) Strain rate effect
d) fatigue effect
Ans:- C
9.Consider the following statements :
1. The shear stress distribution across the section os a circular shaft subjected to twisting varies parabolically.
2. The shear stress at the centre of a circular shaft under twisting moment is zero.
3.The shear stress at the extreme fibres of a circular shaft under twisting moment is maximum.
Which of the above statements is/are correct?
a) 1, 2 and 3
b) 1 only
c) 2 only
d) 3 only
Ans:- D
10.Consider the following statements in respect of arched construction made of voussoirs :
1. The superimposed load is trasferred to the sidewalls only by the strenght of cohesion of the motor between the voussoirs.
2.The arch may fail under crushing when the compressive stress or thrust in it exceeds the safe3 crushing strength of the voussoir material.
3. Every element in the arch is subjected to compression only
4. Failure of the arch due to the sliding of any voussoir past adjacent one due to transverse shear can be avoided by reducing height of the voussoirs.
Which of the above statements are correct?
a) 1 and 4 only
b) 1 and 3 only
c) 2 and 4 only
d) 2 and 3 only
Ans:- D
11. Which of the following are examples of indeterminate structures?
1. Fixed beam
2. Continuous beam
3. Two-hinged arch
4. Beam overhanging on both sides
Select the correct answer using the codes given below :
a) 1, 2 and 3 only
b) 1, 2 and 4 only
c) 1, 3 and 4 only
d) 2, 3, and 4 only
Ans:- A
12.Consider tghe following statements :
1. When the number of members (n) and joints (j) are such that the equation n=(2j-3) is satisfied, the framed structure.
2. In a redundant frame, the number of members is less rhan that required for a perfect frame.
Which of the above statements is/are correct?
a) 1, 2 nad 3
b) 1 only
c) 2 only
d) 3 only
Ans:- B
13.A cantilever beam, 3m long, carries a uniformly distributed load over the entire lenght. if the slope at the free end is 1*, the deflection at free end is
a) 49027 mm
b) 39.27 mm
c) 30.27 mm
d) 20.27 mm
Ans:- B
14.The maximum bending moment at a given section, in which a train of wheel loads moves, occurs when the average load on the left segment is
1. Equal to the average load on the right segment.
2. More than the average load on the right segment.
3. Less than the average load on the right segment.
Select the correct answer using the codes given below :
a) 1, 2 and 3
b) 1 only
c) 2 only
d) 3 only
Ans:- B
15. A single degree of freedom syatem of mass 22 kg and stiffness 17 kN/m vibrates freely. If damping in the syatem is 2%, the cyclic frequencey and the damped circular frequency, respectively, are nearly
a) 4.4 Hz and 0.88 rad/sec
b) 0.88 Hz and 27.8 rad/sec
c) 4.4 Hz and 27.8 rad/sec
d) 0.88 Hz and 0.88 rad/sec
Ans:- C
16. A cable of insignificant weight, 18 m long, is aupported at its two ends, 16 m apart, at the same level. The cable supports at its mid-reach a load of 120 N. The tension in the cable is nearly
a) 136 N
b) 131 N
c) 126 N
d) 121 N
Ans:- B
17.The design strength of a tension member is governed by
1. Ruture at a critical section
2. Yielding of gross area
3. Block shear of end region
Select the correct answer using the codes given below :
a) 1 only
b) 2 only
c) 3 only
d) 1, 2 and 3
Ans:- D
18.gantry girders can be designed
1. As laterally support meams.
2. As laterally unsupported beams.
3. By using channel sections.
Select the correct answer using the codes given below :
a) 1, 2 and 3
b) 1 and 2 only
c) 2 and 3 only
d) 1 and 3 only
Ans:- B
19. A three-hinged parabolic aecg ABC gas a span of 20 m and a central rise of 4.0 m. The arch has hinges at the ends and at the crown. A train of two point loads af 20 kN and 10 kN, 5 m apart, crosses this arch from left to right, with the 20 kN load leading. The maximum thrust induced at the supports is
a) 25.0 kN
b) 28.13 kN
c) 31.25 kN
d) 32.81 kN
Ans:- C
20.Consider the following two statements regarding Bearing stiffeners provided at the location of a concentrated load :
1. Bearing stiffeners have to resist bearing and buckling loads.
2. bearing area and the area resisting buckling are the same.
Which of the above statements is/are correct?
a) 2 only
b) 1 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans:- B
21. In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds is designed to safely resist
a) The bending stresses in the flange
b) The vertical sher force at the section
c) The horizontal shear force between the flanges and the web plate
d) The force causing buckling in the web
Ans:- C
22. A ceartain R.C. short column with 300 mm square cross-section is made of M 20 grade concrete and has 4 numbers, 20 mm diameter, longitudinal bars of Fe 415 grade steel. It is under the action of a concentric axical compressive load. Ignoring the reduction in the area of concrete due to the steel bars, the ultimate axial load carrying capacity of the column as by the relevant code is
a) 1069 kN
b) 1198 kN
c) 1548 kN
d) 1659 kN
Ans:- D
23. A rectangular beam is of size 230 mm x 350 mm (effective depth). The factored shear force acting at a section is 80 kN. If the permissible shear stress in concrete is 0.25 MPa, the design shear force is nearly
a) 100 kN
b) 80 kN
c) 60 kN
d) 20 kN
Ans:- C
24.In a combined footing for two columns carrying unequal loads, the maximum hogging moment occurs at
a) The inside face of the3 heavier column
b) A section equidistant from both the columns
c) A section subjected to maximum shear froce
d) A section subjected to zero shear force
Ans:- D
25.Consider the following statements:
1. The minimum steel requirements of slabs are based on considerations of shrinkage and temperature effects alone, and not on strength.
2. Providing excessive reinforcement in beams can result in congestion, thereby adversely affecting the proper placement and compaction of concrete.
Which of the above statements is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans:- C
26. A T-beam becomes identical to a rectangular beam with width equal to its flange width when the netural axis is
a) Through the geometrical centre of the beam
b) At the junction of the rib and the flange
c) Below the slab
d) Within the flange
Ans:- D
27. Consider the following statements in the light of IS : 456-2000 :
1. There is an upper limit on the nominal shear atress in beams ( even with shear reinforcement) due to the possibility of crushing of concrete in diagonal compression.
2. A rectangular concrete slab whose lenght is equal to its width may not be a two-way slab for certain definable support conditions.
Which of the above statements is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans:- C
28.Which of the following measures are relevantly considered for earthquake loading and lateral stability of tall buildings ?
1. Minimizing gravity loads
2. Adding masses at floor levels
3. Ensuring ductility at the locations of maximum moments
4. Providing shear walls
5. Providing basement
Select the correct answer using the codes given below :
a) 1, 2 and 5 only
b) 1, 2 and 4 only
c) 1, 3 and 4 only
d) 3, 4 and 5 only
Ans:- C
29. Which of the following statements is/are correct for a non-critical activity ?
1. It demands very special attention and action.
2. One can do with normal attention to this activity with some leeway for action.
Select the correct answer using the codes given below:
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans:- B
30.Consider the following statements regarding tendering for a civil work :
1. Earnest money deposit (EMD) is a prerequiste to tender for a work.
2. It is not essential to call for the contractor’s credentials when a tender is invited.
Which of the above statements is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans:- B
31. Consider the following statements regarding quality control :
1. It refers to absolute conformity to specifications.
2. It may not vouch against overspending.
3.It may unknowingly resort to overdesign in the hope of risk minimization.
4. It is intended to reduce maintenance costs.
Which of the above statements are correct?
a) 1 and 3 only
b) 2 and 3 only
c) 2 and 4 only
d) 1 and 4 only
ANs:- D
32.Which of the following statements are correct?
1. Depresion of mercury in a capillary tube is dependent on density and surface tension.
2. Modelling of flow-indeced drag on a ship is done invoking both of Froude number and Reynolds number.
3. Flow of a fluid in a narrow pipe is relatable to both Reynolds number and Cauchy number.
4. Formation and collapse of a soap bubble is analyzed through employing surface tension and external pressure.
5. Flow over the downstream slope of an ogee spillway can be affected by surface tension.
select the correct answer using the codes given below :
a) 1, 2 and 4 only
b) 1, 3 and 5 only
c) 2, 3 and 4 only
d) 3, 4 and 5 only
Ans:- A
33.Consider the following statements regarding flow net :
1. It helps determine the quantity of seepage.
2. It helps determine the upward lift below a hydraulic structure.
3. It is applicable to rotational flow only.
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
Ans:- A
34. In a wide rectangular channel, the normal depth is increased by 20%. This would mean an increase in the discharge of the channel nearly by
a) 20%
b) 26%
c) 36%
d) 56%
Ans:- C
35. At a sluice gate across a rectangular channel, the upstream flow conditions are : depth of 2.0 m; velocity of flow of 1.25 m/sec. The flow conditions at the vena contracta just downstream of the gate can be taken as: depth of 0.44 m; velocity of flow of 5.68 m/sec. What is the total thrust on the gate on its upstream face ( to the nearest 10 units) ?
a) 770 kgf
b) 800 kgf
c) 825 kgf
d) 870 kgf
Ans:- A
36.Consider the following statements regarding a turbine :
1. Specific speed plays an important role in the selection of the type of turbine.
2. An increase in specific of the turbine is accompanied by higher maximum efficiency.
3. The runner of too high specific speed with high available head increases the cost of the turbine on account of the high mechanical strength required.
Which of the above statements are correct ?
a) 1 2 and 3
b) 1 and 2 only
c) 1 and 3 only
d) 2 nad 3 only
Ans:- C
37. In a hydraulic machine, the moment of momentum of water is reduced by 15915 N.m, when the machine is rotating at 600 rpm. The power developed is
a) 1000 kW
b) 1500 kW
c) 2000 kW
d) 2500 kW
Ans:- A
38. Consider the following statements in connection with hydraulic turbines :
1. The Kaplan turbine is a radial flow turbine in which the guide vane angles as well as the runner vane angles are adjustable.
2. Francis and Kaplan turbines are provided with draft tubes which carry water from exit of runner to tailwater to increase the gross head across the turbine.
3. The parts of turbines susceptible to cavitation are the guide vanes and runner vanes–drastically reducing the turbine efficiency.
4. The specific speed of a 4-jet Pelton turbine will be 28 if the specific speed of a single-jet Pelton turbine is 14.
Which of the above statements are correct ?
a) 2 and 3 only
b) 1 and 3 only
c) 1 and 4 only
d) 2 and 4 only
Ans:- A
39. Consider the following statements :
1. Surge tanks are not substitutes for forebays.
2. Pumped storage power plants are a boon to power generation.
3. Water hammer in penstocks is not dangerous.
4. Kaplan turbines are used in low head power plantes.
Which of the above statements are correct?
a) 2 and 4 only
b) 1 and 4 only
c) 2 and 3 only
d) 1 and 3 only
Ans:- A
40.In the standard SCS-CN method of modelling runoff due to daily rainfall, if CN = 75, the runoff magnitude for a one-day rainfall of 100 mm is nearly
a) 17 mm
b) 31 mm
c) 41 mm
d) 57 mm
Ans:- C
41. Consider the following statements concerning precipitation :
1. The Isohyetal map method of determining the average precipitation is considered to be better than the Thiessen method.
2. there is no possibility of damaging the storms because of cloud seeding activity.
3. Water that percolates through the soil emerges as the dry weather flow in the streams.
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
Ans:- B
42.the Probability of a 10-year flood to occur at least once in the next 4 years is
a) 45%
b) 35%
c) 30%
d) 20%
Ans:- B
43. Tortuosity of a meandering river is the ratio of
a) Meander length to width of the meander
b) Meander length to width of the river
c) Curved length alomg the river the direct axial length of the river
d) Direct axial length of the river to the curved length along the river
Ans:- C
44.Consider the following statements in connection with soil-water-crop relationship :
1. Water utilization by plants is mainly from capillary water.
2.The amount of irrigation water required to the evapotranspiration needs of the crop during its full growth duration is its consumptive irrigation requirement.
3. The depth of water required to bring the soil-moisture level of a given soil up to its field capacity is called hygroscopic water.
4. With continuous increase in quantity of water applied, the yield of most crops increases up to a certain limit and then is expected to be constant.
Which of the above statements are correct?
a) 1 and 2 only
b) 2 and 3 only
c) 3 and 4 only
d) 1 and 4 only
Ans:- A
45. Consider the following statements regarding design of channel by Lacey and Kennedy :
1. The theoretical concept of silt transportation is the same in both the theories.
2. Lacey improvred upon Kennedy’s formula.
3. There are no defects in either the theories of Lacey or of Kennedy.
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
Ans:- A
46. Consider the following statements in respect of dams :
1. In a gravity dam, a grout curtain is provided near the toe to reduce the exit gradient.
2. A drainage gallery with its drainage pipe system provided in a gravity dam reduce the uplift pressure at all levels below the upstream water-level.
3. AN earthquake accleration of 0.1 g action verticcally doenward causes a decrease of 10% in the unit weight of concrete and of water in a gravity dam.
Which of the above statements are correct ?
a) 1 and 3 only
b) 1 and 4 only
c) 2 and 3 only
d) 2 and 4 only
Ans:- C
47. Objectives for river training are
1. High flood discharge may pass safely through the reach.
2. Sediment load (including bed and suspended load) may be transported efficiently.
3. By7 making the river course unstable whereby to increase b ank erosion.
Select the correct answer using the codes given below :
a) 1, 2 and 3
b) 1 and 2 only
c) 2 and 3 only
d) 1 and 3 only
Ans:- B
48. Consider the following statements regarding coagulant aids :
1. They are employed wwhen temperature is low as they then accelerate the process of coagulation.
2. They are employed when floes are small and water is coloured.
3. With their use, water purification capacity of the plant is increased.
4. Most widely used materials are oxidants, absorbents, weighing agents, activated carbon and polelectrolytes.
Which of the above statements are correct?
a) 1, 2, 3 and 4
b) 1, 2 and 3 only
c) 1 and 4 only
d) 2, 3 and 4 only
Ans:- A
49. A good disinfectant
1. Should be persistent enough to prevent regrowth of organisms in the distributation system.
2. Must be toxic to micro-orgabisms at concentrations well above the toxic thresholds of humans and higher animals.
3. Should have a fast rate of kill of micro-organisms.
Select the correct answer using the codes given below :
a) 1, 2 and 3
b) 1 and 2 only
c) 1 and 3 only
d) 2 and 3 only
Ans:- C
50.How much bleaching powder (having 20% available chlorine) is needed to disinfect 10,000 litres of water whose chlorine demand is 1.0 mg/l ? should be ensured that, after about 1 hour contact time, 0.2 mg/l chlorine is available.
a) 30 g
b) 40 g
c) 48 g
d) 68 g
Ans:- C
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