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.Management Sciences
Category: Construction Planning and Management
For excavating utility trenches with precise control of depth, the excavation equipment used is_______________?
A. Hoe
B. Shovel
C. Dragline
D. None of the above
The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?
A. 2 kg/tonne
B. 6 kg/tonne
C. 9 kg/tonne
D. 20 kg/tonne
Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
A. Concrete
B. Loose sand
C. Asphalt
D. Firm earth
Crash project duration is obtained by summing the________________?
A. normal durations for all the activities
B. crash durations for all activities
C. crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
D. crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
Which of the following does not represent an activity?
A. site located
B. foundation is being dug
C. the office area is being cleaned
D. the invitations are being sent
Which of the following excavators is most suitable for digging under water?
A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel
Which of the following is a weakness of bar chart ?
A. interdependencies of activities
B. project progress
C. uncertainties
D. all of the above
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