Whenever an activity has zero total float, then
Free float of the activity must be zero but independent float need not be zero
Independent float must be zero but free float need not be zero
Free float and independent float both must be zero
Free float and independent float both need not be zero
Correct Answer :
C. Free float and independent float both must be zero
Related Questions
Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
Concrete
Loose sand
Asphalt
Firm earth
Modular co-ordination of construction means proper
Planning
Designing
Execution
All the above
The critical activity has
Maximum float
Minimum float
Zero 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
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
Which one of the following represents an event?
Concrete cured
Fixing of door
Plastering of walls
Selecting sites
The time corresponding to minimum total project cost is
Crash time
Normal time
Optimistic time
Between normal time and crash time
The time by which activity completion time can be delayed without affecting the start of succeeding activities, is known as
Duration
Total float
Free float
Interfering float
Pick up the correct statement from the following with regards to C.P.M. network analysis of projects
The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time
Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
All the above
Works costing less than Rs. 20,000 are treated as
Any project
Major projects
Minor projects
All the above
Updating may result in
Change of critical path
Decrease of project completion time
Increase of project completion time
All of the above
Assertion (A): Activity 57 is critical. Reason (R): Earliest finish time and latest finish time for events 57 are same Select the correct answer.
A is correct but R is not correct
R is correct but A is not correct
Both A and R is correct
Both A and R is incorrect
A golden rule for the procurement of construction stones, suggests
100% at the site
67% at the site and 33% under procurement
50% at the site and 50% under procurement
33% at the site and 67% under procurement
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
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
Residential buildings are treated as
Light construction
Heavy construction
Industrial construction
Private construction
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
Select the incorrect statement.
Earliest start of an activity is the early event time of the node it leaves.
Latest finish of an activity is the late event time of the node it enters.
Latest start of an activity is its latest finish minus its duration.
None of the above
Various activities of a project, are shown on bar charts by
Vertical lines
Horizontal lines
Dots
Crosses
While scheduling a project by C.P.M.
A project is divided into various activities
Required time for each activity is established
Net work is drawn by connecting the activities and the events
All the above
An event is indicated on the network by a number enclosed in
A circle
A square
A triangle
All the above
CPM is
Synthesising in concepts
Is built of activities oriented programme
Is based on time estimate
All the above
The Overall in-charge of an organisation at the site responsible for the execution of the works, is
Executive Engineer
Engineer
Junior Engineer
Assistant Engineer
Critical path lies along the activities having total float
Positive
Negative
Zero
Same
The performance of a specific task in CPM, is known
Dummy
Event
Activity
Contract
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
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
A CPM family includes
CPA (Critical Path Analysis)
CPP (Critical Path Plotted)
MCE (Minimum Cost Expenditure)
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
Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions Of these statements
Only (i) is correct
(i) and (ii) are correct
(i) and (iii) are correct
(ii) and (iii) are correct