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
Correct Answer :
D. None of these
Related Questions
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
8 days
9 days
10 days
15 days
Economic saving of time results by crashing
Cheapest critical activity
Cheapest noncritical activity
Costliest critical activity
Costliest noncritical activity
Which of the following does not represent an activity?
Site located
Foundation is being dug
The office area is being cleaned
The invitations are being sent
Critical path method
Is an improvement upon bar chart method
Provides a realistic approach to daily problems
Avoids delays which are very common in bar charts
All the above
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
For excavating utility trenches with precise control of depth, the excavation equipment used is
Hoe
Shovel
Dragline
None of the above
Mile Stone charts were invented in the year of
1910
1920
1930
1940
The main advantage of line organisation is:
Effective command and control
Rigid discipline in the organisation
Defined responsibilities at all levels
All the above
The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as
Total float
Free float
Interfering float
Independent float
The technique for establishing and maintaining priorities among the various jobs of a project, is known
Event flow scheduling technique
Critical ratio scheduling
Slotting technique for scheduling
Short interval scheduling
An event is indicated on the network by a number enclosed in
A circle
A square
A triangle
All the above
Time and progress chart of a construction, is also known as
Bar chart
Gantt chart
Modified Mile stone chart
All the above
A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will
Reduce by 200 kg
Increase by 200 kg
Increase by 250 kg
Reduce by 250 kg
PERT analysis is based on
Optimistic time
Pessimistic time
Most likely time
All the above
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:
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
Which of the following earth moving machines has the shortest cycle time?
Drag line
Hoe
Clam shell
Dipper shovel
A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels: 25000 kg Scraper wheels: 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
10000 kg
12500 kg
22500 kg
5000 kg
A construction schedule is prepared after collecting
Number of operations
Output of labour
Output of machinery
All the above
The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
Event
Free float
Dummy
Constraint
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
The original cost of an equipment is Rs.10,000. Its salvage value at the end of its total useful life of five years is Rs. 1,000. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be
Rs. 8,800
Rs. 7,600
Rs. 6,400
Rs. 5,000
The time corresponding to minimum total project cost is
Crash time
Normal time
Optimistic time
Between normal time and crash time
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
50 %
Less than 50 %
More than 50 %
100 %
Pick up the PERT event from the following:
Digging of foundation started
Digging of foundation completed
Laying of concrete started
All the above
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
Critical Path Net Work helps an engineer
To concentrate his attention on critical activities
To divert the resources from non-critical advanced activities to critical activities
To be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
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.
For the network shown in the given figure, the expected time for the activity
1-2 is 4
2-3 is 7
3-4 is 8
All the above
Interfering float is the difference between
Total float and free float
Total float and independent float
Free float and independent float
None of the above