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National Champion Test GATE 2018 CE: Building Materials & Construction Management
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Question 1
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, deadman are left at suitable intervals.
For the above statements, the correct option is
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, deadman are left at suitable intervals.
For the above statements, the correct option is
Question 2
If the characteristic strength of concrete is fck defined as the strength below which not more than 50% of the test results are expected to fall, the expression for Jck in terms of mean strength fm and standard deviation S would be
Question 3
Soundness of Cement is measured by
Question 4
As per Indian standard code of practice for prestressed concrete (IS : 1343–1980) the minimum grades of concrete to be used for post–tensioned and pre–tensioned structural elements are respectively
Question 5
Which of the following statements are correct?
1) Cranes are employable in moving and/or hoisting loads.
2) With the use of dipper and stick, power shovels can be used as hoes.
3) Overdrive for higher speeds is a facility often used comfortably in the working of a tractor.
4) Clam shells are less desirable than draglines if the material is water-saturated.
1) Cranes are employable in moving and/or hoisting loads.
2) With the use of dipper and stick, power shovels can be used as hoes.
3) Overdrive for higher speeds is a facility often used comfortably in the working of a tractor.
4) Clam shells are less desirable than draglines if the material is water-saturated.
Question 6
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 time?
What is its effective cycle time?
Question 7
In a non-tilting type drum mixer,
1) Large size aggregates up to 20 – 25 cm can be handled
2) Mixing time is less than 2 minutes
3) Discharge is through buckets onto the platform
4) For large size mixers, the mixing time should be slightly increased if handling more than 800 liters of the mix
Which of the above statements are correct?
1) Large size aggregates up to 20 – 25 cm can be handled
2) Mixing time is less than 2 minutes
3) Discharge is through buckets onto the platform
4) For large size mixers, the mixing time should be slightly increased if handling more than 800 liters of the mix
Which of the above statements are correct?
Question 8
Intersection of two activities is represented by
Question 9
For a given PERT activity, the standard deviation of the time needed to complete an activity is 3. If the optimistic time and the most likely time required to complete this activity are 8 and 12 minutes respectively. Find out the expected time in order to complete this activity.
Question 10
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.
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May 23ESE & GATE CE
