PERT CPM MCQ industrial engineering mcq
In a PERT problem, optimistic time, most
likely time & pessimistic time are 1, 2 & 3
respectively, then the expected time is :
|
(a) 1 (b) 2
(c) 3 (d) 4
In PERT analysis, the time estimates of
activities and probability of their occurrence
follow as
(a) Normal distribution curve
(b) β distribution curve
(c) Poisson's distribution curve
(d) Binomial distribution curve
Ans : (b) |
The symbol on a PERT/CPM Chart
represents :
(a) An ordinary event
(b) A significant event representing Some mile
stone
(c) An event to be transferred to other network Chart
(d) Dangling event |
Ans : (a)
............is a manufacturing philosophy that
emphasizes careful scheduling of work, on-time
delivery of zero-defect supplies and highly
skilled workforce.
|
(a) PERT (b) MRP
(c) EOQ (d) JIT
PERT/CPM are
(a) Analytical methods
(b) Graphical method
(c) Inspection techniques
(d) Network techniques
Ans : (d) |
In CPM network critical path denotes the:
(a) path where maximum resources are used.
(b) path where minimum resources are used.
(c) path having zero delay
(d) path that gets monitored automatically.
Ans : (c) |
CPM has following time estimate :-
(a) One time estimate
(b) Two time estimate
(c) Three time estimate
(d) Four time estimate
Ans : (a) |
Critical path on a PERT/CPM chart is
obtained by joining the events having: |
(a) maximum slack
(b) minimum slack
(c) average slack
(d) zero slack
Ans : (d) |
Choose the statement which is correct:
(a) PERT is event oriented
(b) PERT is not event oriented
(c) CPM is event oriented
(d) CPM is not event oriented
Ans : (a) |
PERT has following time estimate :-
(a) One time estimate
(b) Two time estimate
(c) Three time estimate
(d) Four time estimate
Ans : (c) |
In PERT, the time estimates of activities are
probabilistic and the probability of their
occurrence follows :
(a) binomial distribution
(b) β-distribution
(c) normal distribution
(d) poisson's distribution
Ans : (b) |
PERT is the
(a) Time oriented technique
(b) Event oriented technique
(c) Activity oriented technique
(d) Target Oriented technique
Ans : (b) |
Which one of the following is used in the value
analysis of any product ?
|
(a) FAST (b) CPM
(c) PERT (d) MOST
Ans : (a) |
The total float on the critical path in CPM
is............
(a) negative
(b) positive fraction
(c) positive
(d) zero/
Ans. (d) |
The performance of a specific task in CPM is
known as
(a) Dummy
(b) Event
(c) Activity
(d) Contract |
In CPM network cirtical path denotes the:
(a) Path where maximum resources are used
(b) Path where minimum resources are used
(c) Path where delay of one activity prolongs the duration of completion of project
(d) Path that gets monitored automatically |
In PERT, the distribution of activity times is
assumed to be:
(a) Normal (b) Gamma |
(c) Beta (d) Exponetial
Ans : (c) A dummy activity is used in PERT network to
describe :
(a) Precedence relationship
(b) Necessary time delay
(c) Resource restriction
(d) Resource idleness |
In PERT analysis a critical activity has:
(a) Maximum float
(b) Zero float
(c) Maximum cost
(d) Minimum cost |
The expected time (te) of a PERT activity in
terms of optimistic times (t0), pessimistic time
(tp) and most likely time (tm) is given by:
|
Ans. (a)
The critical path of network is the path that:
(a) Takes the shortest time
(b) Takes the longest time
(c) Has the minimum variance
(d) Has the maximum variance |
Ans : (b)
In an activity has zero slack, it implies that:
(a) It lives on the critical path
(b) It is a dummy activity
(c) The project is progessing well
(d) None of the above |
Ans. (a)
The most likely time (m) is 'mode' of the:
(a) Normal distribution
(b) Beta distribution
(c) Binomial distribution
(d) None of the above |
Ans : (b)
Fulkerson's rule is connected with:
(a) Numbering of event in PERT/CPM
(b) The Simulatting model
(c) Queuing theory
(d) None of the above |
Ans. (a)
The variance of the completion time for a
project is the sum of variance of:
(a) All activity times/
(b) Non-critical activity times
(c) Critical activity times
(d) Activity times of first and last activities of
the project |
Ans : (c)
CPM is the
(a) Time oriented technique
(b) Event oriented technique
(c) Activity oriented technique
(d) Target oriented technique |
Ans : (c)
KANBAN is used in:
(a) Synchrounous Manufacturing |
(b) Materials Requirements Planning
(c) Total Quality Management
(d) Just-In-Time manufacturing |
Ans. (d)
Consider the following statements:
PERT considers the following time estimates
1. Optimistic time
2. Pessimistic time
3. Most likely time
(a) 1, 2 and 3
(b) 1 and 2 only
(c) 3 only
(d) 1 and 3 only |
Ans. (a)
| Dummy activities are used in a network to: |
|
(a) Facilitate computation of slacks
(b) Satisfy precedence requirements
(c) Determine project completion time
(d) Avoid use of resources |
A PERT activity has an optimistic time
estimate of 3 days, a pessimistic time estimate
of 8 days, and a most likely time estimate of 10 days. What is the expected time of this activity? |
(a) 5·0 days (b) 7·5 days
(c) 8·0 days (d) 8.5 days
Ans. (d)
Which one of the following statements is not
correct?
(a) PERT is probabilistic and CPM is
deterministic
(b) In PERT, events are used deterministic and in CPM activities are used
(c) In CPM, the probability to complete |
(d) In CPM crashing is carried the project in a
given time-duration is out calculated
Ans. (c) |
In CPM network critical path denotes the
(a) Path where maximum resources are used
(b) Path where minimum resources are used
(c) Path where delay of one activity prolongs the duration of completion of project
(d) Path that gets monitored automatically
Ans. (c) |
PERT and CPM are :
(a) techniques to determine project status
(b) decision making techniques
(c) charts which increase aesthetic appearance of rooms
(d) aids to the decision maker
| | Ans : (d) |
A big advantage of PERT over Gantt charts is
that in the former case
(a) activities and events are clearly shown
(b) early start and late finish of an activity are
clearly marked/
(c) critical path can be easily determined
(d) inter-relationship among activities is clearly shown | | Ans : (d) |
CPM is the/
(a) time oriented technique
(b) event oriented technique
(c) activity oriented technique
(d) work oriented technique | | Ans : (c) |
The basic difference between PERT and CPM
is that
(a) CPM deals with events and PERT with
activities
(b) critical path is determined in PERT
only
(c) costs are considered on CPM only and not in PERT
(d) guessed times are used in PERT and
evaluated times in CPM
| | Ans : (d) |
PERT stands for
(a) programme evaluation and review technique
(b) project examination and review technique |
(c) project evaluation and reporting technique
(d) process execution and reporting technology
| | Ans : (a |
The first method invented for planning
projects was
(a) bar chart method
(b) milestone chart
(c) critical path method (CPM)
(d) programme evaluation and review technique
| | Ans : (a) |
The time of completing a project in network
analysis is given by following time of the
critical activity meeting at the final node
(a) early finish
(b) early start
(c) late start
(d) late finish |
If D is the duration, ES and EF are the earliest
start and finish times, LS and LF are latest
start and finish times, then the following
relation holds good |
(a) EF = ES + D
(b) LS = LF - D
(c) LF = LS + D
(d) all of the above |
| The difference between the time available to do the job and the time required to do the job, is known as |
(a) event (b) float
(c) duration (d) constraint
If TL is the largest allowable event occurrence
time, total activity slack (s) is equal to
(a) latest start time - earliest start time
(b) latest finish time - earliest finish time (EFT)
(c) TL - EFT
(d) all of the above |
| The time by which the activity completion time can be delayed without affecting the start of succeeding activities, is known as |
(a) duration
(b) total float
(c) free float
(d) interfering float |
Pick up the correct statement about
relationship between various floats |
(a) free float = total float
(b) independent float = total float
(c) independent float > free float
(d) independent float < free float |
Ans : (d)
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The time which results in the least possible
direct cost of an activity is known as
(a) normal time
(b) slow time
(c) crash time
(d) standard time |
PERT is
(a) an analytic tool in concept
(b) used for research and development projects
(c) based on three time estimates for activities
linking up two events
(d) all of the above
Ans : (d) |
Critical path on PERT/CPM chart is obtained
by joining the events having
(a) maximum slack
(b) minimum slack
(c) average slack
(d) no slack | | Ans : (b) |
Activity slack or float of any event on a
PERT/CPM chart is represented by |
(a) latest start time of succeeding event - earliest finish time of preceding event activity time
(b) latest start time of the event - earliest start
time of the event
(c) latest finish time of event - earliest finish
time of the event
(d) anyone of the above/ | | Ans : (d) |
The slack on various events at critical path
will be
(a) same as at the end point
(b) decreasing proportional to that at the end
point
(c) increasing proportional to that at the end
point
(d) maximum compared to other events
| | Ans : (a) |
Pessimistic time is
(a) the maximum time which an activity might
require
(b) the average time required for a job
(c) the most probable time considering all
conditions
(d) the minimum time in which an activity can
possibly be accomplished | | Ans : (a) |
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