Practice Test: Civil Engineering (CE)- 14 - Civil Engineering (CE)

In how many ways can you place 2 white bishops on an empty chess board?

Direction: In the question below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statement:

No physics is maths.

Some chemistry is maths.

All sciences are chemistry.

Conclusion:

I. No science is physics.

II. Some physics are science.

III. Some physics are chemistry

Direction: Read the information carefully and give the answer of the following questions-

(This pie chart shows the percentage of students appear in six different exams in 2016)

(This bar graph shows the percentage of failed students which appear in these six different exams in 2016)

If in 2016, total number of failed students in exam F was 4080, then how many passed students appears in the exam B?

Direction: Two sentences with two blanks in each, followed by five alternatives with two words in each, are given. Choose that option as the answer which can fill both the blanks of both the sentences.

i. A sinking feeling of panic ________ over them and a temporary paralyzing fear engulfed them ________.

ii. Being a cleanliness freak, she ________ the floor and went down to the market only after the house was _________ clean.

Direction: Five statements are given below, labelled 1, 2, 3, 4 and 5 which are supposed to be in a logical order. A statement labelled P is given thereafter. P can replace one of the five statements such that the four statements along with P would make a coherent paragraph. You have to identify which statement should P replace and then the find out the correct sequence from the options. If the five options are in logical order and form a coherent paragraph/passage, choose the fifth option “12345”.

1) The future of Germany’s coalition government is hanging in the balance after the country’s interior minister reportedly announced his intention to resign over a migration showdown with Angela Merkel.

2) Horst Seehofer, who is also leader of the Christian Social Union, on Sunday night offered to step down from his ministerial role and party leadership in a closed-door meeting in which he and fellow CSU leaders had debated the merits of the migration deal Merkel hammered out with fellow European Union leaders in Brussels.

3) But with CSU hardliners believed to have tried to talk the combative interior minister into staying, a press conference was postponed until Monday, with Seehofer seeking to go back to Merkel in search of a final compromise.

4) At a 2am media conference, Seehofer said he had agreed to meet again with Merkel’s party before he made his decision final.

5) “We’ll have more talks today with the CDU in Berlin with the hope that we can come to an agreement,” Seehofer said.

Direction: In the given question, a statement with a single blank is given. Choose the most effective word from the given options to complete the sentence meaningfully.

The fog was so thick during the morning, that it seemed like walking _________ a cloud.

4 identical solid spheres are melted and re-formed into a solid hemisphere. Then, the ratio of the curved surface area of the hemisphere to half of the surface area of a single sphere is -

A study of people who reduced the calories they consumed has found the strongest evidence yet that such restrictions slow down metabolism, raising hopes that a low calories lifestyle or treatments stimulating biological effects of restricted eating, could prolong health in old age. The report provides the most robust evidence to date that everything we have learnt in other animals can be applied to humans.

Which of the following argument will prove that the above conclusion is flawed?

The order and degree of the differential equation, are respectively.

The divergence of the vector field x²i + 2y³j + z⁴k at x =1 , y= 2, z = 3 is

Let , then the smallest positive integer I , such that is ______________

The value of the function

In levelling, if the sum of back sight and fore sight is 1.365 and 0.875 m and reduced level of B.M. is 100 m. then reduced level of end point will be-

The maximum height of a low gravity dam of elementary profile made up of concrete of relative density 2.4 and safe allowable stress on foundation is 3.6MPa (Ignoring uplift force).

The level of water in the reservoir is 1.25 m. If there is a rainfall of 38 cm occurring in a month, during this period evaporation as measured by the class A pan is 32 cm. What is the level of water in m at the end of the month.

The permeability coefficient of sand with void ratio of 0.65 is 3.048 cm/min. Estimate the permeability coefficient at a void ratio of 0.8 using casagrande empirical relationship.

A 12 m³ moist soil sample with volume of soil solid as 9m³ is examined and the laboratory results reveal that the porosity of the soil sample is 25 %. The relative porosity of the sample is _____.

Which one of the following is correctly showing the level of manometer column.

A singly reinforced rectangular beam has a width of 200 mm and an effective depth of 350 mm. The limiting value of the moment of resistance of the beam is _________ kN-m.

[Take M20 grade concrete and Fe415 grade steel and adopt the stress block for concrete as given in IS 456: 2000]

The slack of events 3 and 5 is from the project network given below?

Figure shows the network for a particular project which consists of four activities.

Normal duration time and crash time for each activity are given below

The velocity of fluid 2.234 m/s having a viscosity 0.023 Pa.s with density 2.345 is measured at a distance of 95 mm from the boundary. Find the shear stress at the boundary?

Which acid is used to distinguish the steel and the wrought iron on the field?

The topmost layer is loose, clean sand, 1.5 meter thick. Its vertical permeability can be estimated using Hazen’s formula with C = 1.5 and D10 = 0.016mm. Its horizontal permeability is known to be 350% of the Kv. Below the sand stratum is a layer of marl, 3.5 meters thick, with a kv = Kh = 10^-4 m/s. what is the Equivalent Horizontal permeability for the upper 5 m in cm/sec?

Cayley-Hamilton Theorem states that a square matrix satisfies its own characteristic equation. Consider a matrix A satisfies the relation

The hardness of a ground water sample was found to be 420 mg/L as CaCO₃ A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as CaCO₃ before supplying to 4 households. Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100%, the bypass flow rate (expressed in L/day) is _____________.

Consider the matrix:

J6= [0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 ]

Which is obtained by reversing the order of the columns of the identity matrix I6.

Let P=I₆+αJ₆, where α is a non-negative real number. The value of α for which det(P) = 0 is ___________.

A beam of uniform strength is to be produced for a special purpose of application. But the section of the beam needs to be varied, and this could be achieved by;

A flag post was erected on the top of a building. If vertical angle to bottom and top of the flag post are 8 ° and 9 ° respectively, then the height of the flag post is ___________ decimeter.

[Assume R.L. of top and bottom of building to be 184.4 m and 145.2 m respectively, height of instrument to be 1.2 m and width of the building is very less as compared to the distance to the building and the theodolite]

A distributed line load of 100 kN per meter run may occupy any position on the girder shown in the figure below. The ratio of the magnitude of the maximum positive bending moment to negative bending moment that can occur at the section marked at C (not hinge) is ___________.

Curing period is minimum for concrete using _______.

A student began experiment for determination of 5–day, 20 °C BOD on Monday. Since the 5th day fell on Saturday, the final DO readings were taken on next Monday. On calculation, BOD (i.e. 7 days, 20 °C) was found to be 150 mg/L. What would be the 5–day, 20 °C BOD (in mg/L)? Assume value of BOD rate constant (k) at standard temperature of 20 °C as 0.23 / day (base e). ________

The F/M ratio is controlled in the activated sludge process by adjusting the

An isolated L beam, as shown below, is fixed at both ends and has a span of 20 m. The effective width of the flange is ____ mm.

For the single V unsealed butt welded joint shown in the figure, the permissible load will be _________ kN.

[Assume safe stress in weld to be 143 N/mm²]

In two samples of water A and B, A has pH value of 6.5 and B has pH value of 8.5 respectively. Sample B is ___times more acidic than sample A.

The leaching requirement of a soil is 10%. If the consumptive use requirement of the crop is 90 mm, then the depth of water required to be applied to the field is

Which of the following statements are CORRECT about affecting the bactericidal efficiency of chlorine?

1) When the time of contact increases, bactericidal efficiency increases.

2) pH range 5-7 is the most effective, beyond this range, bactericidal efficiency decreases.

3) Bactericidal efficiency decreases with increase in turbidity.

For a fully developed laminar flow of water (dynamic viscosity 0.001 Pa-s) through a pipe of radius 5 cm. the axial pressure gradient is —10 Pa/m. The magnitude or axial velocity (in m/s) at a radial location of 0.2 cm is ___________ m/sec

The rank of the matrix

A rod of length L having uniform cross-sectional area A is subjected to a tensile force P as shown in the figure below. If the Young’s modulus of the material varies linearly from E1 to E2 along the length of the rod, the normal stress developed at the section-SS is

Given that one root of the equation x³ –10x² + 31x –30 = 0 is 5, the other two roots are

A steel column section ISHB 350 (width of flange is 250mm and thickness of flange 11.6mm) has to carry a factored load of 2400kN. The yield stress and the ultimate tensile stress of steel and welds are 250MPa and 410MPa respectively and partial safety factor governed by yield and ultimate tensile strength respectively are 1.10 and 1.25. The bearing strength of M25 grade concrete in limit state method of design as per IS 456:2000(inN/mm²) is

The magnitude of bending moment at fixed end of beam shown in figure above is _________ KNm

If the total float of an activity in CPM has a value ‘x’ units and the head event slack has a value ‘y’ units, find out the value of independent float if the tail event slack is 10. ?

The data given below pertain to the design of a flexible pavement are Initial traffic = 1213 cvpd

Traffic growth rate = 8 per cent per annum

Design life = 12 years

Vehicle damage factor = 2.5

Distribution factor = 1.0

The design traffic in terms of million standard axles (msa) to be catered would be

The velocity potential function in a two dimensional flow field is given by ∅=x²-y². The magnitude of velocity at point (1, 1) is

The flow in a rectangular channel is subcritical. If width of the channel is reduced at a certain section, the water surface under no–choke condition will

Match List-I (End condition of the column) with List-II (Lowest critical load) and select the correct answer using the code given below the Lists:

List-I

A) Column with both ends hinged

B) Column with both ends fixed

C) Column with one end fixed and the other end hinged

D) Column with one end fixed and the other end free

List-II

Consider the following statements:

1) There will be no defects in select grade timbers.

2) The codal values for strength of grade-II timer without defects may be reduced by 37.5%.

3) For timber used as columns, the permissible stress in ungraded timbers is adopted with a multiplying factor of 0.50.

4) In case of wind force and earthquakes, a modification factor of 1.33 is adopted.

Which of the above statements are correct?

A tractor has a permissible loaded speed of 200 m/minute, which can increase by 25% when the load is removed/deposited. Generally, it is operated at 80% of the permissible speed (loaded unloaded). It works at a location where haul distance is 120 m. Rest allowance per round-trip is taken as 50 seconds on an average. Fixed time per trip, for loading and unloading and turnaround, etc., is 30 seconds.

What is its effective cycle time157 seconds

A uniform ladder 24 m long weighs 400 N. It is placed against a vertical wall at an angle of 60° with the ground. How far along the ladder can a 1600 N man climb before the ladder is on the verge of slipping? The angle of friction at all contact surfaces is 15°.

A mass of 2 kg is hung by a string of length 1.5m as shown in the figure. The mass revolves in a circular path at 50 revolutions per minute. The tension in the string (in N) is

What is the value of the definite integral

An effective rainfall of 2-hour duration produced a flood hydrograph peak of 200m³/s. The flood hydrograph has a base flow of 20m³/s. If the spatial average rainfall in the watershed for the duration of storm is 2cm and the average loss rate is 0.4cm/hour, the peak of 2-hour unit hydrograph (in m³/s-cm, up to one decimal place) is_________(water resource engineering: hydrology)

The peak discharge of a 4-hr unit hydrograph, triangular in shape, for a basin of 108〖km〗², is 20 cumecs. The time base (in hrs) of this hydrograph is

A joist of 8 m span has to carry a load of 30kN/m. The permissible stress limit is 10N/mm2 and the depth of the joist has to be twice the width. Now, find the dimensions of the joist.

The maximum size of sand particles (with relative density of 2.65) which will settle in water, according to Stoke’s law, is ___________mm.

(Density of water = 998kg/m³ , Dynamic viscosity = 1×10^-3 Pa.s).

A catchment is idealized as a 25 km x 25 km square. It has five rain gauges, one at each corner and one at the center, as shown in the figure.

During a month, the precipitation at these gauges is measured as G₁ = 300 mm, G₂ = 285 mm, G₃ = 272mm, G₄ = 290mm and G₅ =288mm. The average precipitation (in mm, up to one decimal place) over the catchment during this month by using the Thiessen polygon method is ______

For a given matrix where the inverse of matrix p is

Consider a non-homogeneous system of linear equations representing mathematically an over-determined system. Such a system will be

Match List-I (Type of shear tests) with List-II (Mohr failure envelops of total stress) and select the correct answer using the codes given below the lists:

List-I

A) Undrained test on normally consolidated saturated clays.

B) Consolidated undrained test on normally consolidated saturated clays.

C) Drained tests on normally consolidated saturated cohesive soil.

D) Unconfined test on clays.

List-II