GATE CE Construction Materials and Management PYQs & Answers — Page 5

Questions 41–46 of 46. Imported answers require independent review unless marked reviewed.

Given that the scope of the construction work is well-defined with all its drawings, specifications, quantities and estimates, which one of the following types of contract would be most preferred?

Your answerChoose one option.

EPC contract

Percentage rate contract

Item rate contract

Lump sum contract

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Let the characteristic strength be defined as that value, below which not more than 5% 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

Your answerChoose one option.

18.42

21.00

25.00

31.58

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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

for the 95% confidence level. The maximum time required (in days) for the completion of the project would be _________.

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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.

Group I P. Le Chatelier test Q. Vee-Bee test R. Blaine air permeability test S. The Vicat apparatus

Group II

Soundness of OPC

Consistency and setting time of OPC

Consistency or workability of concrete

Fineness of OPC

The correct match of the items in Group I with the items in Group II is

Your answerChoose one option.

P-1, Q-3, R-4, S-2

P-2, Q-3, R-1, S-4

P-4, Q-2, R-4, S-1

P-1, Q-4, R-2, S-3

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Consider the following statements: P. Walls of one brick thick are measured in square meters. Q. Walls of one brick thick are measured in cubic meters. R. No deduction in the brickwork quantity is made for openings in walls up to 0.1 m² area. S. For the measurement of excavation from the borrow pit in a fairly uniform ground, deadmen are left at suitable intervals.

For the above statements, the correct option is

Your answerChoose one option.

P – False; Q – True; R – False; S – True

P – False; Q – True; R – False; S – False

P – True; Q – False; R – True; S – False

P – True; Q – False; R – True; S – True

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The activity details of a project are given below:

Activity	Depends on	Duration (in days)
P	--	6
Q	P	15
R	Q, T	12
S	R	16
T	P	10
U	Q, T	14
V	U	16

The estimated minimum time (in days) for the completion of the project will be

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GATE CE Construction Materials and Management PYQs

Question 3

Question 15

Question 18

Question 30

Question 33

Question 45