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.Management Sciences
Category: Construction Planning and Management
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels : 25000 kg Scraper wheels : 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is_______________?
A. 10000 kg
B. 12500 kg
C. 22500 kg
D. 5000 kg
A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be________________?
A. 3.7 years
B. 4.23 years
C. 5 years
D. 7.87 years
A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?
A. should invest in neither of the two projects
B. could invest in either of the two projects
C. should invest in project A
D. should invest in project B
PERT is preferred for planning because of________________?
Consider the following features/factors
1. Projects are of the non-repetitive type.
2. Time required need not be known.
3. Time required is known precisely.
4. Events have been established for planning.
5. Emphasis is given to activities of project
A. 1,2 and 4
B. 3,4 and 5
C. 1,3 and 4
D. 1,2 and 5
Economic saving of time results by crashing_________________?
A. cheapest critical activity
B. cheapest non-critical activity
C. costliest critical activity
D. costliest non-critical activity
In the bar chart planning____________?
Consider the following statements?
1. interdependence of the operations cannot be portrayed
2. progress of work can be measured
3. spare time of the activities can be determined
4. schedule cannot be updated
A. 1,2 and 3 are correct
B. 1 and 4 are correct
C. 2, 3 and 4 are correct
D. 1,2 and 4 are correct
Grader is used mainly for___________________?
A. trimming and finishing
B. shaping and trimming
C. finishing and shaping
D. finishing, shaping and trimming
Critical path_____________?
A. is always longest
B. is always shortest
C. may be longest
D. may be shortest
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. 500 cum
B. 1000 cum
C. 1500 cum
D. 2000 cum
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