The normal time required for the completion of project in the above problem is
A. 9 days
B. 13 days
C. 14 days
D. 19 days
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If to , tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, the expected time t of the activity will be
A. 2 t o + 3 t m + t p
B. 3 t o + 3 t m + t p
C. 4 t o + 4 t m + t p
D. 5 t o + 4 t m + t p
E. 6 t o + 4 t m + t p
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A construction schedule is prepared after collecting
A. Number of operations
B. Output of labour
C. Output of machinery
D. All the above
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If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively
A. 3.5 and 6 5
B. 5 and 36 25
C. 3.5 and 36 25
D. 4 and 6 5
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Bar charts are suitable for
A. Minor works
B. Major works
C. Large projects
D. All the Above
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The first stage of a construction, is
A. Preparation of estimate
B. Survey of the site
C. Initiation of proposal
D. Preparation of tender
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A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be
A. 15 minutes
B. 20.143 minutes
C. 21 minutes
D. 27 minutes
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The probability of completion of any activity within its expected time is
A. 50 %
B. 84.1 %
C. 99.9 %
D. 100 %
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For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is
A. 8 days
B. 9 days
C. 10 days
D. 15 days
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For the network shown in the given figure, the expected time for the activity
A. 1-2 is 4
B. 2-3 is 7
C. 3-4 is 8
D. All the above
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Time and progress chart of a construction, is also known as
A. Bar chart
B. Gantt chart
C. Modified Mile stone chart
D. All the above
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The difference between the time avail-to do a job and the time required to do the job, is known as
A. Event
B. Float
C. Duration
D. Constraint
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The Overall in-charge of an organization at the site responsible for the execution of the works, is
A. Executive Engineer
B. Engineer
C. Junior Engineer
D. Assistant Engineer
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For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
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Various activities of a project, are shown on bar charts by
A. Vertical lines
B. Horizontal lines
C. Dots
D. Crosses
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The main disadvantage of line organization, is
A. Rigid structure
B. Extraordinary delay in communications
C. Top level executions over work
D. All the above
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The main principle of an organization, is
A. Unity of command
B. Effective control at all levels
C. Delegation of authority
D. All the above
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A critical ratio scheduling
A. Determines the status of each activity
B. Adjusts automatically changes in activity progress
C. Is a dynamic system
D. None of these
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A golden rule for the procurement of construction stones, suggests
A. 100% at the site
B. 67% at the site and 33% under procurement
C. 50% at the site and 50% under procurement
D. 33% at the site and 67% under procurement
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If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is
A. 6 a + m + b
B. 6 a + 2 m + b
C. 6 a + 4 m + b
D. 6 a + 5 m + b
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