Construction Planning And Management - Study Mode

[#71] The time with which direct cost does not reduce with the increase in time is known as
Correct Answer

(B) Normal time

[#72] If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is
Correct Answer

(C) 900 kg

[#73] For a given size of bucket, the ideal output of a dragline will be least in
Correct Answer

(D) Wet sticky clay

Explanation

Solution: Let's look at each option: Option A: Moist loam: Loam is generally a good soil type for digging, especially when moist. So, output would be relatively good. Option B: Sand and gravel: Sand and gravel are loose materials, easy to dig. Output would be high. Option C: Good common earth: This is also generally good for digging, so output would be decent. Option D: Wet sticky clay: Wet sticky clay is the most difficult material to dig and load. It sticks to the bucket, making it hard to empty and reducing the amount of material that can be moved per cycle. Therefore, the answer is Option D: Wet sticky clay because it offers the least ideal digging conditions, leading to the lowest output.

[#74] Frederick W. Taylor introduced a system of working known as
Correct Answer

(C) Functional organization

[#75] For the execution of a project, a contractor is
Correct Answer

(D) All the above