Category: Construction Planning and Management

A. Bulldozer
B. Clam shell
C. Scraper
D. Dump truck

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

A. 4 days
B. 6 days
C. 10 days
D. 16 days

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

A. Smooth-wheeled rollers
B. Vibratory rollers
C. Sheep foot rollers
D. Tampers

A. minimum
B. maximum
C. zero
D. infinite

A. Moist loam
B. Good common earth
C. We|l blasted rock
D. Wet sticky clay

A. most likely time
B. optimistic time
C. pessimistic time
D. expected time

A. crash time
B. normal time
C. optimistic time
D. between normal time and crash time

A. Moist loam
B. Sand and gravel
C. Good common earth
D. Wet sticky clay