Which of the following is a weakness of bar chart?
Interdependencies of activities
Project progress
Uncertainties
All of the above
Correct Answer :
D. All of the above
Related Questions
Pick up the incorrect statement from the following:
The various functions under each activity, are shown by one bar on Bar Charts
Bar chart establishes the interdependency of one event on another
Only approximate percentage of the completed work is reported
None of these
Consider the following statements: Wheeled tractors are replacing crawler tractors because
1. Wheeled tractors travel faster.
2. Crawler tractors are more expensive.
3. Track parts of a crawler wear out quickly.
4. Crawler tractors have stick control. Of these statements
1, 3 and 4 are correct
2, 3 and 4 are correct
1, 2 and 3 are correct
1, 2 and 4 are correct
Updating may result in
Change of critical path
Decrease of project completion time
Increase of project completion time
All of the above
PERT technique of network analysis is mainly useful for
Small projects
Large and complex projects
Research and development projects
Deterministic activities
Slack time refers to
An activity
An event
Both event and activity
None of the above
If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be
Equal to X
More than X
Less than X
Any of the above
In resources levelling
Total duration of project is reduced
Total duration of project is increased
Uniform demand of resources is achieved
Cost of project is controlled
During the construction period, price variation clause in contracts caters to
Increase in rates of only important materials
Variation in cost in materials element, labour element and petrol-oillubricant element
Variation in total cost of the project on an ad hoc basis
Rate of inflation
For excavating utility trenches with precise control of depth, the excavation equipment used is
Hoe
Shovel
Dragline
None of the above
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the correct answer.
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
The constraints in case of resource smoothening operation would be
Resources
Project duration time
Both resources and project duration time
None of the above
Time and progress chart of a construction, is also known as
Bar chart
Gantt chart
Modified Mile stone chart
All the above
Critical path
Is always longest
Is always shortest
May be longest
May be shortest
Pick up the correct statement from the following:
The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float'
The duration of time by which an activity can be delayed without affecting the succeeding activity, is called free float
The difference between total float and free float, is called interfering float
All the above
For which of the following materials, the output of power shovels for a fixed shovel size will be maximum
Moist loam
Good common earth
Well blasted rock
Wet sticky clay
In PERT analysis, the time estimates of activities and probability of their occurrence follow
Normal distribution curve
Poisson's distribution curve
Beta distribution curve
None of the above
Pick up the correct statement from the following:
The difference of latest occurrence time and earliest expected time, is called slack
The activities connecting the events having zero slack, lie on the critical path
The critical path consumes the maximum time
All the above
While filling the tender for any work, the contractor considers
Site survey
Availability of construction materials
Availability of labour
All the above
Consider the following operations:
1. Drilling
2. Blasting
3. Mucking
4. Placing steel
5. Placing concrete
The correct sequence of these operations in tunnel construction is
1, 2, 4, 3, 5
1, 3, 2, 4, 5
1, 2, 3, 4, 5
1, 3, 4, 2, 5
Pick up the incorrect statement from the following:
The difference between the earliest start time and latest finish time of any activity, is the maximum time available for the activity
The difference between the maximum time available for the job and actual time it consumes, is called total float
The difference between the latest start time and earliest start time of an activity, is called total float
None of these
Sinking fund is
The fund for rebuilding a structure when its economic life is over
Raised to meet maintenance costs
The total sum to be paid to the municipal authorities by the tenants
A part of the money kept in reserve for providing additional structures and structural modifications
Earliest finish of an activity is always
Greater than earliest event time of the following node
Less than earliest event time of the following node
Less than or equal to earliest event time of the following node
Greater than or equal to earliest event time of the following node
The first method invented for planning projects, was
Bar chart method
Milestone chart
Critical path method (CPM)
Programme Evaluation and Review Technique (PERT)
The difference between the time avail-to do a job and the time required to do the job, is known as
Event
Float
Duration
Constraint
The direct cost of a project with respect to normal time is
Minimum
Maximum
Zero
Infinite
Free float for any activity is defined as the difference between
Its earliest finish time and earliest start time for its successor activity
Its latest start time and earliest start time
Its latest finish time and earliest start time for its successor activity
Its earliest finish time and latest start time for its successor activity
Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is
20
25
35
15
Modular co-ordination of construction means proper
Planning
Designing
Execution
All the above
The first stage of a construction, is
Preparation of estimate
Survey of the site
Initiation of proposal
Preparation of tender
Which of the following excavators is most suitable for digging under water?
Drag line
Hoe
Clam shell
Dipper shovel