Consider the following statements: In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float. Of these statements
1 and 4 are correct
2 and 3 are correct
1 and 4 are correct
1 and 2 are correct
Correct Answer :
B. 2 and 3 are correct
Related Questions
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is
3425 kg
5515 kg
4350 kg
2975 kg
Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
Concrete
Loose sand
Asphalt
Firm earth
Pre-tender stage requires
Acquisition of land
Selection of site
Fmalisation of alignment of work
All the above
The constraints in case of resource smoothening operation would be
Resources
Project duration time
Both resources and project duration time
None of the above
Construction team means
An engineer
An architect
An owner
All the above
Consider the following statements: In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float. Of these statements
1 and 4 are correct
2 and 3 are correct
1 and 4 are correct
1 and 2 are correct
Total float for any activity is defined as the difference between
Its latest finish time and earliest start time for its successor activity
Its latest start time and earliest start time
Its latest start time and earliest finish time
Its earliest finish time and earliest start time for its successor activity
Railway projects are treated as
Light construction
Heavy construction
Industrial construction
None of these
Critical path lies along the activities having total float
Positive
Negative
Zero
Same
Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
Ice
Concrete
Loose sand
Earth
Henry Gantt developed Bar charts for planning and scheduling of projects in
1880
1900
1920
1940
The basic action involved in sheep foot rolling is
Kneading
Pressing
Tamping
Vibration
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
Which of the following earth moving machines has the shortest cycle time?
Drag line
Hoe
Clam shell
Dipper shovel
Time and progress chart of a construction, is also known as
Bar chart
Gantt chart
Modified Mile stone chart
All the above
The independent float affects only
Preceding activities
Succeeding activities
The particular activity involved
None of the above
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
If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is
500 cum
1000 cum
1500 cum
2000 cum
A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be
20 kg/tonne
30 kg/tonne
40 kg/tonne
50 kg/tonne
A critical ratio scheduling
Determines the status of each activity
Adjusts automatically changes in activity progress
Is a dynamic system
None of these
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
Sensitivity analysis is a study of
Comparison of profit and loss
Comparison of assets and liabilities
Change in output due to change in input
Economics of cost and benefits of the project
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
While filling the tender for any work, the contractor considers
Site survey
Availability of construction materials
Availability of labour
All the above
Military organisation is known as
Line organisation
Line and staff organisation
Functional organisation
None of these
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
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
Which of the following excavators is most suitable for digging under water?
Drag line
Hoe
Clam shell
Dipper shovel
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