Earliest finish of an activity is always
Greater than earliest event time of the following node
Less than earliest event time of the following node
Less than or equal to earliest event time of the following node
Greater than or equal to earliest event time of the following node
Correct Answer :
C. Less than or equal to earliest event time of the following node
Related Questions
Various activities of a project, are shown on bar charts by
Vertical lines
Horizontal lines
Dots
Crosses
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
Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
Ice
Concrete
Loose sand
Earth
Final technical authority of a project lies with
Assistant Engineer
Executive Engineer
Superintending Engineer
Chief Engineer
Pre-tender stage requires
Acquisition of land
Selection of site
Fmalisation of alignment of work
All the above
Construction team means
An engineer
An architect
An owner
All the above
Which one of the following represents an event?
Concrete cured
Fixing of door
Plastering of walls
Selecting sites
The main disadvantage of line organisation, is
Rigid structure
Extraordinary delay in communications
Top level executions over work
All the above
Critical path lies along the activities having total float
Positive
Negative
Zero
Same
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
The time with which direct cost does not reduce with the increase in time is known as
Crash time
Normal time
Optimistic time
Standard time
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
Which of the following is not a PERT event?
Site investigation started
Sessional work completed
Bus starts from Jaipur
Class is being attended
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
If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be
Equal to X
More than X
Less than X
Any of 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
The estimated time required to perform an activity, is known as
Event
Dummy
Duration
Float
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 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 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 rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted and pneumatic tyre-mounted machines would be respectively
80 and 90
90 and 80
85 and 75
75 and 83
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
Pick up the incorrect statement from the following:
The activity is the time consuming part of a project
The beginning and end of a job, are called events
The activity which consumes maximum time, is called a node
Logically and sequentially connected activities and events form a network
Updating may result in
Change of critical path
Decrease of project completion time
Increase of project completion time
All of the above
The performance of a specific task in CPM, is known
Dummy
Event
Activity
Contract
Crash project duration is obtained by summing the
Normal durations for all the activities
Crash durations for all activities
Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
The basic action involved in sheep foot rolling is
Kneading
Pressing
Tamping
Vibration
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 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)