Online Civil Engineering Test - Previous UPSC Exam Papers Test 5

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  • Total number of questions: 20.
  • Time allotted: 30 minutes.
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Marks : 2/20


Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.

1.
The length, coefficient of thermal expansion and Young's modulus of bar 'A' are twice that of bar 'B'. If the temperature of both bars is increased by the same amount while preventing any expansion, then the ratio of stress developed in bar A to that in bar B will be
2
4
8
16
Your Answer: Option
(Not Answered)
Correct Answer: Option

2.
Mercury (density = 13600 kg/m3, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance?
4.2 mm
5.7 mm
6.8 mm
7.3 mm
Your Answer: Option
(Not Answered)
Correct Answer: Option

3.
The compacting factor test of cement concrete determines its
strength
porosity
degree of compaction under loads
workability
Your Answer: Option
(Not Answered)
Correct Answer: Option

4.
Self-purification of running streams may be due to
sedimentation, oxidation land coagulation
dilution, sedimentation and oxidation
dilution, sedimentation and coagulation
dilution, oxidation and coagulation
Your Answer: Option
(Not Answered)
Correct Answer: Option

5.
What is the steepest gradient permissible on a 2° curve for B.G. line having using gradient of 1 in 200 ?
1 in 250
1 in 238
1 in 209
1 in 198
Your Answer: Option
(Not Answered)
Correct Answer: Option

6.
Consider the following statements :
A : The collapse load found in the plastic analysis of a continuous beam is affected by sinking of supports.
B : Large elastic stresses are caused at the supports due to sinking of supports.
Of these statements :
Both A and B are true
A is true but B is false
Both A and B are false
A is false but B is true
Your Answer: Option
(Not Answered)
Correct Answer: Option

7.
Which one of the following methods of O-D traffic surveys is conducted for comprehensive analysis of traffic and transportation data ?
Home interview
Roadside interview
Registration number method
Postcard method
Your Answer: Option
(Not Answered)
Correct Answer: Option

8.
Allowable disposable rate of application of sludge on land is determined by
carbon content of sludge
nitrogen content of sludge
phosphorus content of sludge
potassium content of sludge
Your Answer: Option
(Not Answered)
Correct Answer: Option

9.
Why is a proportional flow weir provided in a grit chamber ?
To reduce the suspended solids entering into the grit chamber
To maintain the constant flow depth in the grit chamber
To take care of maintaining constant flow velocity in the grit chamber over a certain depth range
To allow the sewage afresh into the grit chamber
Your Answer: Option
(Not Answered)
Correct Answer: Option

10.
Two small orifices A and B of diameters 1 cm and 2 cm, respectively, are placed on the sides of a tank at depths of h1 and h2 below the open liquid surface. If the discharges through A and B are equal, then the ratio of h1 and h2 (assuming equal Cd values) will be
16 : 1
8 : 1
4 : 1
2 : 1
Your Answer: Option
(Not Answered)
Correct Answer: Option

11.
Consider the following factors :
1. Reaction time
2. Speed
3. Coefficient of longitudinal friction
4. Gradient
Which of these factors are taken into account for computing braking distance ?
1 and 3
1, 2 and 4
2, 3 and 4
2 and 3
Your Answer: Option
(Not Answered)
Correct Answer: Option

12.
A 4-hour rainfall in a catchment of 250 km2 produces rainfall depths of 6.2 cm and 5.0 cm in successive 2-hour unit periods. Assuming the φ index of the soil to be 1.2 cm/hour, the run-off volume in ha-m will be
16
22
1600
2200
Your Answer: Option
(Not Answered)
Correct Answer: Option

13.
Which of the following are the requirements for the design of a transition curve for a highway system ?
1. Rate of change of grade
2. Rate of change of radial acceleration
3. Rate of change of super elevation
4. Rate of change of curvature
Select the correct answer using the code given below :
1, 2 and 3
2, 1 and 4
1, 3 and 4
2, 3 and 4
Your Answer: Option
(Not Answered)
Correct Answer: Option

14.
A star is observed at its upper culmination when it is north of zenith. The latitude of the place of observation is 30°N and declination of the star is 50°N. The zenith distance of the star is
10°
20°
40°
80°
Your Answer: Option
(Not Answered)
Correct Answer: Option

15.
What is the value of camber rate that should be provided in case of WBM pavement surface in an area of heavy rainfall ?
1 in 30
1 in 48
1 in 60
1 in 72
Your Answer: Option
(Not Answered)
Correct Answer: Option

16.
What are leaping weirs ?
sewage flow measuring devices
storm regulators
velocity control devices
sewer out falls
Your Answer: Option
(Not Answered)
Correct Answer: Option

17.
The area of a plot is to be determined using Simpson's rule. The following offsets were taken to a boundary from points along a chain line all measurements being in metres 12, 15, 22, 29, 36, 38, 31, 22, 17.There were taken at 100 m intervals.
Consider the following steps in this regard.
1.
2. Sum of the odd ordinates = 22 + 36 + 1 = 89
3. Sum of the even ordinates = 15 + 29 + 38 + 22 = 104
4. 12 + 17 = 39
5. Area = 100 (19.5 + 89 + 104)
6. Area = (39 + 2 x 89 + 4 x 104)
7. Area 100 x 19.5 (104 - 89)
The area of the plot can be determined by using the steps listed above :
1, 2, 3 and 5
1, 3, 4 and 6
1, 2, 4 and 7
2, 3, 4 and 6
Your Answer: Option
(Not Answered)
Correct Answer: Option

18.
The cantilever frame shown in the given figure is supported by vertical links at B and C and carries loads as shown. The force in the bar AE is
500 kg
1000 kg
zero
2500 kg
Your Answer: Option
(Not Answered)
Correct Answer: Option

19.
Which of the following pairs regarding the defects in timber are correctly matched ?
1. Upsets....due to overmaturity and unventilated star age of wood.
2. Fwciness....due to crushing of fibres running transversel.
3. Star shakes....radial splits widest at the circumference and diminishing towards the centre.
4. Heart shakes....cracks widest at the centre and diminishing towards the outer circumference.
Select the correct answer using the codes given below.
1 and 2
3 and 4
1 and 4
2 and 4
Your Answer: Option
(Not Answered)
Correct Answer: Option

20.
A 600 mm long and 50 mm diameter rod of steel (E = 200 GPa, α = 12 x 10-6/°C) is attached at the ends to unyielding supports. When the temperature is 30°C there is no stress in the rod. After the temperature of the rod drops to - 20°C, the axial stress in the rod will be
24 MPa (compressive)
72 MPa (compressive)
120 MPa (tensile)
144 MPa (compressive)
Your Answer: Option
(Not Answered)
Correct Answer: Option

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