Recent questions tagged construction-materials-and-management / GO Civil

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1

GATE2020 CE-2-8
As per $IS\:456:2000$, the $pH$ value of water for concrete mix shall NOT be less than $4.5$ $5.0$ $5.5$ $6.0$

As per $IS\:456:2000$, the $pH$ value of water for concrete mix shall NOT be less than$4.5$$5.0$$5.5$$6.0$

go_editor

5.3k points

go_editor asked Feb 13, 2020

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2

GATE2017 CE-2-3
Given that the scope of the construction work is well-defined with all its drawings, specifications, quantities and estimates, which one of the following of contract would be most preferred? EPC contract percentage rate contract Item rate contract Lump sum contract

Given that the scope of the construction work is well-defined with all its drawings, specifications, quantities and estimates, which one of the following of contract woul...

gatecse

4.0k points

gatecse asked Aug 7, 2019

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3

GATE2017 CE-2-15
Let the characteristic strength be defined as that value, below which not more than $50 \%$ of the results are expected to fall. Assuming a standard deviation of $4$ MPa, the target mean strength (in MPa) to be considered in the mix design of a $M25$ concrete would be $18.42$ $21.00$ $25.00$ $31.58$

Let the characteristic strength be defined as that value, below which not more than $50 \%$ of the results are expected to fall. Assuming a standard deviation of $4$ MPa,...

gatecse

4.0k points

gatecse asked Aug 7, 2019

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4

GATE2017 CE-2-18
For a construction project, the mean and standard deviation of the completion time are $200$ days and $6.1$ days, respectively. Assume normal distribution and use the value of standard normal deviate $z = 1.64$ for the $95 \%$ confidence level. The maximum time required (in days) for the completion of the project would be ________

For a construction project, the mean and standard deviation of the completion time are $200$ days and $6.1$ days, respectively. Assume normal distribution and use the val...

gatecse

4.0k points

gatecse asked Aug 7, 2019

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5

GATE2017 CE-2-30
Group I gives a list of test methods and test apparatus for evaluating some of the properties of Ordinary Portland Cement (OPC) and concrete. Group II gives the list of these properties. ... $P - 4; Q - 2; R - 4; S - 1$ $P - 1; Q - 4; R - 2; S - 3$

Group I gives a list of test methods and test apparatus for evaluating some of the properties of Ordinary Portland Cement (OPC) and concrete. Group II gives the list of t...

gatecse

4.0k points

gatecse asked Aug 7, 2019

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6

GATE2017 CE-2-33
Consider the following statements: Walls of one brick thick are measured in square meters Walls of one brick thick are measured in cubic meters No deduction in the brickwork quantity is made for openings in walls up to $0.1 \: m^2$ area. For the measurement of excavation from the borrow pit ... False P - True, Q - False, R - True, S - False P - True, Q - False, R - True, S - True

Consider the following statements:Walls of one brick thick are measured in square metersWalls of one brick thick are measured in cubic metersNo deduction in the brickwork...

gatecse

4.0k points

gatecse asked Aug 7, 2019

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7

GATE2019 CE-1: 37
The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of all the activities are shown in the table. The indirect cost incurred by the contractor is ... is targeted for completion in $16$ days, the total cost (in INR) to be incurred by the contractor would be _______

The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of ...

Arjun

13.0k points

Arjun asked Feb 14, 2019

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8

GATE2019 CE-2: 7
If the fineness modulus of a sample of fine aggregates is $4.3$, the mean size of the particles in the sample is between $150 \: \mu m$ and $300 \: \mu m$ $300 \: \mu m$ and $600 \: \mu m$ $1.18 \: mm$ and $2.36 \: mm$ $2.36 \: mm$ and $4.75\: mm$

If the fineness modulus of a sample of fine aggregates is $4.3$, the mean size of the particles in the sample is between$150 \: \mu m$ and $300 \: \mu m$$300 \: \mu m$ an...

Arjun

13.0k points

Arjun asked Feb 12, 2019

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9

GATE2019 CE-2: 21
The characteristic compressive strength of concrete required in a project is $25 \: MPa$ and the standard deviation in the observed compressive strength expected at site is $4 \: MPa$. The average compressive strength of cubes tested at different water-cement (w/c) ... The water-cement ratio (in percent, round off to the lower integer) to be used in the mix is ______

The characteristic compressive strength of concrete required in a project is $25 \: MPa$ and the standard deviation in the observed compressive strength expected at site ...

Arjun

13.0k points

Arjun asked Feb 12, 2019

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10

GATE2016-2-9
As per Indian standards for bricks, minimum acceptable compressive strength of any class of burnt clay bricks in dry state is $10.0 \text{ MPa}$ $7.5 \text{ MPa}$ $5.0 \text{ MPa}$ $3.5 \text{ MPa}$

As per Indian standards for bricks, minimum acceptable compressive strength of any class of burnt clay bricks in dry state is$10.0 \text{ MPa}$$7.5 \text{ MPa}$$5.0 \text...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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11

GATE2016-2-10
A construction project consists of twelve activities. The estimated duration (in days) required to complete each of the activities along with the corresponding network diagram is shown below. ... $11-12$ for the project are, respectively, $25$ and $1$ $1$ nd $1$ $0$ and $0$ $81$ and $0$

A construction project consists of twelve activities. The estimated duration (in days) required to complete each of the activities along with the corresponding network di...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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12

GATE2016-2-39
The activity-on-arrow network of activities for a construction project is shown in the figure. The durations (expressed in days) of the activities are mentioned below in arrows. The critical duration for this construction project is $13$ days $14$ days $15$ days $16$ days

The activity-on-arrow network of activities for a construction project is shown in the figure. The durations (expressed in days) of the activities are mentioned below in ...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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13

GATE2016-1-9
Bull’s trench kiln is used in the manufacturing of lime cement bricks none of these

Bull’s trench kiln is used in the manufacturing oflimecementbricksnone of these

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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14

GATE2016-1-10
The compound which is largely responsible for initial setting and early strength gain of Ordinary Portland Cement is $C_3A$ $C_3S$ $C_2S$ $C_4AF$

The compound which is largely responsible for initial setting and early strength gain of Ordinary Portland Cement is$C_3A$$C_3S$$C_2S$$C_4AF$

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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15

GATE2016-1-39
The Optimistic Time (O), Most likely Time (M) and Pessimistic Time (P) (in days) of the activities in the critical path are given below in the format O – M – P. The expected completion time (in days) of the project is ________

The Optimistic Time (O), Most likely Time (M) and Pessimistic Time (P) (in days) of the activities in the critical path are given below in the format O – M – P.The ex...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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16

GATE2017 CE-1: 45
The activity details of a project are given below: ... The estimated minimum time (in days) for the completion of the project will be __________

The activity details of a project are given below:$$\begin{array}{|c|c|c|} \hline \text{Activity} & \text{Depends on} & \text{Duration (in days)} \\ \hline P & \dots & 6 ...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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17

GATE2015-2-53
In Marshall method of mix design, the coarse aggregate, fine aggregate, fines and bitumen having respective values of specific gravity $2.60, 2.70, 2.65$ and $1.01$, are mixed in the relative proportions ($\%$ by weight) of $55.0, \: 35.8, \: 3.7$ and $5.5$ respectively. The ... the mix respectively are: $2.42$ and $2.63$ $2.42$ and $2.78$ $2.42$ and $2.93$ $2.64$ and $2.78$

In Marshall method of mix design, the coarse aggregate, fine aggregate, fines and bitumen having respective values of specific gravity $2.60, 2.70, 2.65$ and $1.01$, are ...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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18

GATE2015-1-4
Workability of concrete can be measured using slump, compaction factor and Vebe time. Consider the following statements for workability of concrete. As the slump increases, the Vebe time increases As the slump increases, the compaction factor increases Which of the following is TRUE? Both (i) and ( ... (i) and (ii) are False (i) is True and (ii) is False (i) is False and (ii) is True

Workability of concrete can be measured using slump, compaction factor and Vebe time. Consider the following statements for workability of concrete.As the slump increases...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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19

GATE2014-2-50
In a Marshall sample, the bulk specific gravity of mix and aggregates are $2.324$ and $2.546$ respectively. The sample includes $5 \%$ of bitumen (by total weight of mix) of specific gravity $1.10$. The theoretical maximum specific gravity of mix is $2.441$. The void filled with bitumen (VFB) in the Marshall sample (in $\%$) is _______

In a Marshall sample, the bulk specific gravity of mix and aggregates are $2.324$ and $2.546$ respectively. The sample includes $5 \%$ of bitumen (by total weight of mix)...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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20

GATE2014-2-9
The target mean strength $f_{cm}$ for concrete mix design obtained from the characteristic strength $f_{ck}$ and standard deviation $\sigma$, as defined in $IS:456-2000$, is $f_{ck}+1.35 \sigma$ $f_{ck}+1.45 \sigma$ $f_{ck}+1.55 \sigma$ $f_{ck}+1.65 \sigma$

The target mean strength $f_{cm}$ for concrete mix design obtained from the characteristic strength $f_{ck}$ and standard deviation $\sigma$, as defined in $IS:456-2000$,...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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0 answers

21

GATE Civil 2013 | Question: 44
Elevation and temperature data for a place are tabulated below: $\begin{array}{|c|c|} \hline \text{Elevation, m} & \text{Temperature, } ^{\circ}C \\ \hline 4 & 21.25 \\ \hline 444 & 15.70 \\ \hline \end{array}$ Based on the above data, lapse rate can be referred as Super-adiabatic Neutral Sub-adiabatic Inversion

Elevation and temperature data for a place are tabulated below:$$\begin{array}{|c|c|} \hline \text{Elevation, m} & \text{Temperature, } ^{\circ}C \\ \hline 4 & 21.25 \\ \...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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0 answers

22

GATE Civil 2012 | Question: 6
If a small concrete cube is submerged deep in still water in such a way that the pressure exerted on all faces of the cube is $p$, then the maximum shear stress developed inside the cube is $0$ $\dfrac{p}{2}$ $p$ $2p$

If a small concrete cube is submerged deep in still water in such a way that the pressure exerted on all faces of the cube is $p$, then the maximum shear stress developed...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

1 answer

23

GATE2018 CE-2: 50
A coal containing $2 \%$ sulfur is burned completely to ash in a brick kiln at a rate of $30$ kg/min. The sulfur content in the ash was found to be $6 \%$ of the initial amount of sulfur present in the coal fed to the brick kiln. The ... /mole, respectively. The annual rate of sulfur dioxide $(SO_2)$ emission from the kiln (in tonnes/year, up to two decimal places) is ________

A coal containing $2 \%$ sulfur is burned completely to ash in a brick kiln at a rate of $30$ kg/min. The sulfur content in the ash was found to be $6 \%$ of the initial ...

gatecse

4.0k points

gatecse asked Feb 17, 2018

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24

GATE2018 CE-2: 5
The setting time of cement is determined using Le Chatelier apparatus Briquette testing apparatus Vicat apparatus Casagrande's apparatus

The setting time of cement is determined usingLe Chatelier apparatusBriquette testing apparatusVicat apparatusCasagrande's apparatus

gatecse

4.0k points

gatecse asked Feb 17, 2018

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25

GATE2018 CE-1: 44
At a construction site, a contractor plans to make an excavation as shown in the figure. The water level in the adjacent river is at an elevation of $+20.0$ m. Unit weight of water is $10 \: kn/m^3$. The factor of safety (up to two decimal places) against sand boiling for the proposed excavation is ___________

At a construction site, a contractor plans to make an excavation as shown in the figure.The water level in the adjacent river is at an elevation of $+20.0$ m. Unit weight...

gatecse

4.0k points

gatecse asked Feb 17, 2018