Slack time refers to
An activity
An event
Both event and activity
None of the above
Correct Answer :
B. An event
Related Questions
Which one of the following represents an activity?
Excavation for foundation
Curing of concrete
Setting of question paper
All the above
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
Pick up the correct statement from the following:
CPM analysis is activity oriented
PERT analysis is event oriented
In CPM, the time is related to cost
All the above
Slack time refers to
An activity
An event
Both event and activity
None of the above
Railway projects are treated as
Light construction
Heavy construction
Industrial construction
None of these
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
Consider the following features/factors:
1. Projects are of the non-repetitive type
2. Time required need not be known
3. Time required is known precisely
4. Events have been established for planning
5. Emphasis is given to activities of project PERT is preferred for planning because of
1, 2 and 4
3, 4 and 5
1, 3 and 4
1, 2 and 5
A Milestone chart
Shows the interdependencies of various jobs
Depicts the delay of jobs, if any
Points outgoing ahead of schedule of jobs, if any
None of these
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
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
The independent float affects only
Preceding activities
Succeeding activities
The particular activity involved
None of the above
The main disadvantage of line organisation, is
Rigid structure
Extraordinary delay in communications
Top level executions over work
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
An event is indicated on the network by a number enclosed in
A circle
A square
A triangle
All the above
If t is the duration of an activity, t1 is the latest finish possible moment of its preceding activity and t2 is the earliest start possible moment, the independent float of the activity is
(t1 - t2) - t
t - (t1 - t2)
(t1 + t2) - t
t + (t1 - t2)
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
The most popular type of organisation used for Civil Engineering Constructions, is
Line organisation
Line and staff organisation
Functional organisation
Effective organisation
For excavating utility trenches with precise control of depth, the excavation equipment used is
Hoe
Shovel
Dragline
None of the above
In time-cost optimization of a project, crashing is done.
On all the activities
On all the activities lying on the critical path
Only on activities lying on the original critical path and having flatter cost slopes
On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
Critical path lies along the activities having total float
Positive
Negative
Zero
Same
The critical activity has
Maximum float
Minimum float
Zero float
None of these
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
Grader is used mainly for
Trimming and finishing
Shaping and trimming
Finishing and shaping
Finishing, shaping and trimming
The constraints in case of resource smoothening operation would be
Resources
Project duration time
Both resources and project duration time
None of the above
A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be
3.7 years
4.23 years
5 years
7.87 years
Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
Concrete
Loose sand
Asphalt
Firm earth
A CPM family includes
CPA (Critical Path Analysis)
CPP (Critical Path Plotted)
MCE (Minimum Cost Expenditure)
All 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
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
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