Civil Construction Planning Objective Questions - Set 10 - ObjectiveBooks

# Practice Test: Question Set - 10

1. 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) (a + m + b)/6
(B) (a + 2m + b)/6
(C) (a + 4m + b)/6
(D) (a + 5m + b)/6

2. Consider the following statements for a power shovel:
(i) Output can be increased by reducing the angle of swing for a given depth of cut.
(ii) For a given angle of swing, output will be maximum at optimum depth of cut.
(iii) Output can be increased by keeping the depth of cut less than optimum depth.
(iv) Output can be increased by increasing the size of shovel.
Of these statements
(A) (ii), (iii) and (iv) are correct
(B) (i), (ii) and (iv) are correct
(C) (i), (iii) and (iv) are correct
(D) (i) and (iv) are correct

3. If totp 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) to + 3tm+ tp/3
(B) to + 4tm+ tp/4
(C) to + 4tm+ tp/5
(D) to + 4tm+ tp/6

4. 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

5. If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be
(A) Started 5 days later
(B) Completed 5 days later
(C) Performed at slower rate in 15 days
(D) All the above

6. Rolling resistance of a wheel depends upon
(iii) Ground conditions
Of these statements
(A) Only (i) is correct
(B) (i) and (ii) are correct
(C) (i) and (iii) are correct
(D) (ii) and (iii) are correct

7. A Milestone chart
(A) Shows the interdependencies of various jobs
(B) Depicts the delay of jobs, if any
(C) Points outgoing ahead of schedule of jobs, if any
(D) None of these

8. Earliest finish of an activity is always
(A) Greater than earliest event time of the following node
(B) Less than earliest event time of the following node
(C) Less than or equal to earliest event time of the following node
(D) Greater than or equal to earliest event time of the following node

9. Critical path lies along the activities having total float
(A) Positive
(B) Negative
(C) Zero
(D) Same

10. If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be
(A) 50 %
(B) Less than 50 %
(C) More than 50 %
(D) 100 %

11. The critical activity has
(A) Maximum float
(B) Minimum float
(C) Zero float
(D) None of these

12. For excavating utility trenches with precise control of depth, the excavation equipment used is
(A) Hoe
(B) Shovel
(C) Dragline
(D) None of the above

13. PERT analysis is based on
(A) Optimistic time
(B) Pessimistic time
(C) Most likely time
(D) All the above

14. The most popular type of organization used for Civil Engineering Constructions, is
(A) Line organization
(B) Line and staff organization
(C) Functional organization
(D) Effective organization

15. 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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