71. PERT technique of network analysis is mainly useful for__________________?
A. small projects
B. large and complex projects
C. research and development projects
D. deterministic activities
✅ The correct answer is option C.
Construction Planning and Management MCQs
72. Grader is used mainly for___________________?
A. trimming and finishing
B. shaping and trimming
C. finishing and shaping
D. finishing, shaping and trimming
✅ The correct answer is option D.
73. The process of incorporating changes and rescheduling or replanning is called_______________?
A. resource levelling
B. resource smoothening
C. updating
D. critical path scheduling
✅ The correct answer is option C.
74. 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 correct answer is option D.
75. 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 correct answer is option C.
76. If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is________________?
A. 4 days
B. 6 days
C. 10 days
D. 16 days
✅ The correct answer is option D.