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Construction Planning and Management - Interview Questions and Answers

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66. Consider the following statements : In the critical path method of construction planning, Free Float can be. # greater than Total Float. # greater than Independent Float # equal to Total Float. # less than Independent Float. Of these statements
A. 1 and 4 are correct
B. 2 and 3 are correct
C. 1 and 4 are correct
D. 1 and 2 are correct
Explanation:
67. In the network shown in Fig., the concurrent and preceding activities corresponding to activity 2-4 are respectively
A. 1-2 and 4-7
B. 2-3 and 1-2
C. 2-3 and 4-7
D. 1-2 and 3-6
Explanation:
68. If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be
A. 2.3% and 84.1%
B. 97.7% and 84.1%
C. 97.7 % and 15.9%
D. 15.9% and 97.7%
Explanation:
69. Consider the following statements: In the bar chart planning # interdependence of the operations cannot be portrayed. # progress of work can be measured. # spare time of the activities can be determined. # schedule cannot be updated. Of these statements
A. 1,2 and 3 are correct
B. 1 and 4 are correct
C. 2, 3 and 4 are correct
D. 1,2 and 4 are correct
Explanation:
70. At a work site, statistical quality control of concrete means
A. measurement of risks to eliminate failures
B. applying the theory' of probability to sample testing or inspection
C. reduction in wastage of inspection costs
D. reduction in costs for the removal of defects
Explanation: