Home→ Construction Planning and Management →Rolling resistance of a wheel depends upon_____________?

If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is__________?
A machine is purchased for Rs. 10,000,00/- and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000/-. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is__________?
If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be__________?
Consider the following statements for a power shovel?
For which of the following materials, the output of power shovels for a fixed shovel size will be maximum__________?
Which of the following excavators is most suitable for digging under water?
A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will__________?
Interfering float is the difference between__________?
Updating may result in__________?
The normal time required for the completion of project in the above problem is__________?
The process of incorporating changes and rescheduling or replanning is called__________?
The reduction in project time normally results in__________?
The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as__________?
A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be__________?
Critical path__________?
Whenever an activity has zero total float, then__________?
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then__________?
Latest start of an activity is always__________?
Which of the following does not represent an activity?
The area under the Beta – distribution curve is divided into two equal parts by__________?
Which of the following is not a PERT event ?
Which of the following is a weakness of bar chart ?

Rolling resistance of a wheel depends upon_____________?

(i) Vehicle load
(ii) Grade
(iii) Ground
select the correct statements?

A. only (i) is correct
B. (i) and (ii) are correct
C. (i) and (iii) are correct
D. (ii) and (iii) are correct

Correct Answer: (i) and (iii) are correct ✔

Last Updated: January 19, 2019