to concentrate his attention on critical activities

to divert the resources from non-critical advanced activities to critical activities

to be cautious for avoiding any delay in the critical activities to avoid delay of the whole project

all of the above

free float = total float

independent float = total float

independent float > free float

independent float < free float.

normal time

slow time

crash time

standard time

event flow scheduling technique

critical ratio scheduling

slotting technique for scheduling

short interval scheduling

establishes the relative priorities among various activities on a common basis

determines the status of each activity

adjusts automatically changes in activity progress

none of the above.