GATE CE topic:construction-materials-management PYQs & Answers

Questions 1–10 of 46. Imported answers require independent review unless marked reviewed.

Consider the following statements (P) and (Q): (P): Fly ash and ground granulated blast furnace slag can be used as mineral admixtures in concrete. (Q): As per IS 456:2000, the minimum moist curing period becomes higher when a mineral admixture is added to concrete. Identify the CORRECT option from choices given below.

Your answerChoose one option.

Both (P) and (Q) are TRUE.

(P) is TRUE and (Q) is FALSE.

(P) is FALSE and (Q) is TRUE.

Both (P) and (Q) are FALSE.

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Identify the FALSE statement from the following options:

Your answerChoose one option.

The compressive strength of a concrete test specimen can vary depending on its shape and size

Air-dried and saturated test specimens show the same compressive strength for concrete

Curing conditions, such as temperature and relative humidity, can influence the compressive strength of concrete

Compressive strength depends on the water-to-binder ratio used in the concrete mixture

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In the context of construction materials, which of the following statements is/are CORRECT?

Your answerSelect all correct options. You can choose more than one.

If the characteristic strength is defined as that value below which not more than 50% results are expected to fall, the target mean strength in mix design will be taken same as the characteristic strength irrespective of the degree of quality control at the site.

Ten percent fines value is a non-dimensional quantity.

The stress-strain curve of concrete for 1-day duration of loading is associated with a smaller secant modulus of elasticity compared to the stress-strain curve of the same concrete for 10-minutes duration of loading.

The increase of carbon in steel usually leads to an increase in its 0.2% proof stress.

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If the weights retained on the 2.36 mm, 1.18 mm, 600

m, and 300

m sieves are 30%, 5%, 15%, and 20%, respectively, of the total weight of an aggregate sample, then the fineness modulus of the sample is __________ (rounded off to 2 decimal places).

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In the context of construction project management, which of the following statements is/are true:

Your answerSelect all correct options. You can choose more than one.

A dummy activity will consume time and resources

The program evaluation and review technique (PERT) is best suited for projects with large uncertainties in the duration of activities

A Gant chart is commonly used for identifying the ‘critical path’ of activities in a project

Free float is the amount of time by which the start of an activity can be delayed without causing a delay in the start of a following activity

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The figure shows a network diagram for a construction project. The activities A, B, C, D, E, and F are represented by arrows and their durations are in the figure.

The total float available for the activity E in day(s) is equal to _____ (round off to the nearest integer).

Diagram for Civil Engineering question 53

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Concrete of characteristic strength 30 MPa is required. If 40 specimens of concrete cubes are to be tested, the minimum number of specimens having at least 30 MPa strength should be

Your answerChoose one option.

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Consider the statements P and Q.

P: Client’s Preliminary Estimate is used for budgeting costs toward the end of planning and design phase.

Q: Client’s Detailed Estimate is used for controlling costs during the execution of the project.

Which one of the following options is CORRECT?

Your answerChoose one option.

Both P and Q are TRUE

P is TRUE and Q is FALSE

Both P and Q are FALSE

P is FALSE and Q is TRUE

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Consider the statements P and Q.

P: In a Pure project organization, the project manager maintains complete authority and has maximum control over the project.

Q: A Matrix organization structure facilitates quick response to changes, conflicts, and project needs.

Which one of the following options is CORRECT?

Your answerChoose one option.

Both P and Q are TRUE

P is TRUE and Q is FALSE

Both P and Q are FALSE

P is FALSE and Q is TRUE

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Consider the following data for a project of 300 days duration.

Budgeted Cost of Work Scheduled (BCWS) = Rs. 200 Budgeted Cost of Work Performed (BCP) = Rs. 150 Actual Cost of Work Performed (ACWP) = Rs. 190

The ‘schedule variance’ for the project is

Your answerChoose one option.

(−)Rs. 50

(−)50 days

(+)Rs. 50

(+)50 days

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GATE CE topic:construction-materials-management PYQs

How to practice topic:construction-materials-management

Question 13

Question 16

Question 23

Question 33

Question 42

Question 53

Question 15

Question 16

Question 17

Question 19