The time corresponding to minimum total project cost is
Crash time
Normal time
Optimistic time
Between normal time and crash time
Correct Answer :
D. Between normal time and crash time
Related Questions
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
The first method invented for planning projects, was
Bar chart method
Milestone chart
Critical path method (CPM)
Programme Evaluation and Review Technique (PERT)
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
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
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
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
Frequency distribution curves
Having a single lump, are called uninodal curves
If symmetrical, are called normal curves
If not symmetrical, are called skew curves
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
In CPM analysis,
Emphasis is given to activities
Uncertainties are not allowed
Activities are represented by arrows
All the above
Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
Ice
Concrete
Loose sand
Earth
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
A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be
Rs. 1740
Rs. 3480
Rs. 5220
Rs. 6960
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
If D is the duration, ES and EF are the earliest start and finish, LS and LF are latest start and latest finish time, then the following relation holds good
EF = ES + D
LS = LF - D
LF = LS + D
All the above
Which one of the following represents an activity?
Excavation for foundation
Curing of concrete
Setting of question paper
All the above
Critical path
Is always longest
Is always shortest
May be longest
May be shortest
Final technical authority of a project lies with
Assistant Engineer
Executive Engineer
Superintending Engineer
Chief Engineer
For a given size of bucket, the ideal output of a dragline will be least in
Moist loam
Sand and gravel
Good common earth
Wet sticky clay
In resources levelling
Total duration of project is reduced
Total duration of project is increased
Uniform demand of resources is achieved
Cost of project is controlled
The main advantage of line organisation is:
Effective command and control
Rigid discipline in the organisation
Defined responsibilities at all levels
All the above
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
Mile Stone charts were invented in the year of
1910
1920
1930
1940
Bar charts are suitable for
Minor works
Major works
Large projects
All the Above
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 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
The direct cost of a project with respect to normal time is
Minimum
Maximum
Zero
Infinite
Completion of an activity on CPM network diagram, is generally known
Event
Node
Connector
All the above
The performance of a specific task in CPM, is known
Dummy
Event
Activity
Contract
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
PERT analysis is based on
Optimistic time
Pessimistic time
Most likely time
All the above