Select the incorrect statement.
Start float and finish float are always equal.
Total float can be either start float or finish float.
Start float and finish float need not be equal.
Start float and finish float are the differences between activity times and not event times.
Correct Answer :
C. Start float and finish float need not be equal.
Related Questions
The critical activity has
Maximum float
Minimum float
Zero float
None of these
The main principle of an organisation, is
Unity of command
Effective control at all levels
Delegation of authority
All the above
The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the event 4, is
19
14
24
None of these
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 + m + b)/6
(a + 2m + b)/6
(a + 4m + b)/6
(a + 5m + b)/6
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
A dummy activity
Is artificially introduced
Is represented by a dotted line
Does not consume time
All the above
The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack Of these statements
(i), (ii) and (iv) are correct
(ii), (iii) and (iv) are correct
(i), (iii) and (iv) are correct
(i), (ii) and (iii) are correct
Mobilization advance up to 10% of the cost of work is given to a contractor
On commencement of work at site for payment of loan taken by him
For the purchase of construction materials
For the payment of advances to labour and other staff
For all activities required to start the work at site on finalization of the contract document
Pick up the correct statement from the following:
Programme Evaluation and Review Technique, is event oriented
Programme Evaluation and Review Technique is not event oriented
Critical Path Method is event oriented
Critical Path method is event oriented
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
1
2
3
4
PERT technique of network analysis is mainly useful for
Small projects
Large and complex projects
Research and development projects
Deterministic activities
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
Pick up the correct statement from the following:
The float may be positive, zero or negative
If the float is positive and the activity is delayed by a period equal to its total float, the completion of project is not delayed
If the float of an activity is negative, delay in its performance is bound to delay the completion of project
All the above
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
2.3% and 84.1%
97.7% and 84.1%
97.7 % and 15.9%
15.9% and 97.7%
For completion of a project, the critical path of the network represents
Minimum time
Maximum time
Maximum cost
Minimum cost
Preliminary project report for a road project must contain
The detailed estimated cost based on detailed design
The several alternatives of the project that have been considered
The soil survey, traffic survey, concept design and approximate cost
The contract documents for inviting tenders
At a work site, statistical quality control of concrete means
Measurement of risks to eliminate failures
Applying the theory' of probability to sample testing or inspection
Reduction in wastage of inspection costs
Reduction in costs for the removal of defects
For the execution of a project, a contractor is
A person
A firm
An agency
All the above
Works costing less than Rs. 20,000 are treated as
Any project
Major projects
Minor projects
All the above
Which of the following is a weakness of bar chart?
Interdependencies of activities
Project progress
Uncertainties
All of the above
Pick up the incorrect statement from the following:
The activity is the time consuming part of a project
The beginning and end of a job, are called events
The activity which consumes maximum time, is called a node
Logically and sequentially connected activities and events form a network
An earth moving equipment costs Rs. 5,00,000 and has an estimated life of 10 years and a salvage value of Rs. 50,000. What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069?
Rs. 31050
Rs. 34500
Rs. 37950
Rs. 50000
Batching refers to
Controlling the total quantity at each batch
Weighing accurately, the quantity of each material for a job before mixing
Controlling the quantity of each material into each batch
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
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
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
The salient feature of functional organisation is
Strict adherence to specifications
Separation of planning and design part
Each individual maintains functional efficiency
All the above
Select the incorrect statement.
Start float and finish float are always equal.
Total float can be either start float or finish float.
Start float and finish float need not be equal.
Start float and finish float are the differences between activity times and not event times.
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:
Optimistic time estimate refers to activities
Pessimistic time estimate refers to activities
Most likely time estimate refers to activities
All the above
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