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.Management Sciences
Category: Construction Planning and Management
Interfering float is the difference between__________________?
A. total float and free float
B. total float and independent float
C. free float and independent float
D. none of the above
Which one of the following is not an excavating and moving type of equipment ?
A. Bulldozer
B. Clam shell
C. Scraper
D. Dump truck
Select the incorrect statement?
A. A critical path always begins at the very first event
B. A critical path always terminates at the last event
C. Critical activities control the project duration
D. Critical activity is the one for which free float is zero
In time-cost optimization of a project, crashing is done____________?
A. on all the activities
B. on all the activities lying on the critical path
C. only on activities lying on the orginal critical path and having flatter cost slopes
D. on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
The most suitable type of equipment for compaction of cohesive soils is_________________?
A. Smooth-wheeled rollers
B. Vibratory rollers
C. Sheep foot rollers
D. Tampers
The direct cost of a project with respect to normal time is________________?
A. minimum
B. maximum
C. zero
D. infinite
For which of the following materials, the output of power shovels for a fixed shovel size will be maximum_______________?
A. Moist loam
B. Good common earth
C. We|l blasted rock
D. Wet sticky clay
The area under the Beta – distribution curve is divided into two equal parts by_______________?
A. most likely time
B. optimistic time
C. pessimistic time
D. expected time
The time corresponding to minimum total project cost is_______________?
A. crash time
B. normal time
C. optimistic time
D. between normal time and crash time
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