Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it
Consumes time, but no resources
Consumes resources but no time
Consumes neither time nor resources
Is a dangling event
Correct Answer :
C. Consumes neither time nor resources
Related Questions
Work sampling is applied for
Estimation of the percentage utilisation of machine tools
Estimating the percentage of the time consumed by various job activities
Finding out time standards, specially where the job is not repetitive and where time study by stop watch method is not possible
All of the above
Critical path on PERT/CPM chart is obtained by joining the events having
Maximum slack
Minimum slack
Average slack
No slack
Basic tool in work study is
Graph paper
Process chart
Planning chart
Stop watch
In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if
Complete details of items in, waiting line are known
Arrival and waiting times are known and can be grouped to form a waiting line model
All variables and constants are known and form a linear equation
The laws governing arrivals, service times, and the order in which the arriving units are taken into source are known
The unit cost in case of batch production is ________ as compared to jobbing production.
Same
Low
High
None of these
Gantt chart gives information about
Scheduling and routing
Sales
Production schedule
Machine utilisation
Line organisation is suitable for
Sugar industries
Oil refining industries
Spinning and weaving industries
All of these
Which of the following charts are used for plant layout design?
Operation process chart
Man machine chart
Travel chart
All of these
Which of the following statement is correct about the network diagram?
The events are represented graphically by circles or nodes at the beginning and the end of activity by arrows.
The tail end of the arrow represents the start of an activity.
The head of the arrow represents the end of an activity.
All of the above
The aim of value engineering is to
Find the depreciation value of a machine
Determine the selling price of a product
Minimise the cost without change in quality of the product
All of the above
Routing is essential in the following type of industry
Assembly industry
Process industry
Job order industry
Mass production industry
The chart which gives an estimate about the amount of materials handling between various work stations is known as
Flow chart
Process chart
Travel chart
Operation chart
The main advantage of line organisation is its
Effective command and control
Defined responsibilities at all levels
Rigid discipline in the organisation
All of the above
Inventory control in production, planning and control aims at
Achieving optimisation
Ensuring against market fluctuations
Acceptable customer service at low capital investment in inventory
Discounts allowed in bulk purchase
Service time in queuing theory is usually assumed to follow
Normal distribution
Poissons distribution
Erlang distribution
Exponential law
In product layout
Specialised and strict supervision is required
Machines can not be used to their maximum capacity
Manufacturing cost rises with a fall in the volume of production
All of the above
Dummy activities are used to
Determine the critical path
Determine the project completion time
Maintain the required net work
None of these
Slack of various events on the critical path in PERT/CPM chart
Increases continuously
Decreases continuously
Remain constant
May increase or decrease depending on various factors
Job evaluation is the method of determining the
Relative worth of jobs
Skills required by a worker
Contribution of a worker
Contribution of a job
Graphical method, simplex method, and transportation method are concerned with
Breakeven analysis
Value analysis
Linear programming
Queueing theory
If TL is the largest allowable event occurrence time, total activity slack (s) is equal to
Latest start time earliest start time
Latest finish time earliest finish time (EFT)
TLEFT
All of the above
Which of the following statement is correct?
A-B-C analysis is based on Pareto's principle
Simulation can be used for inventory control
Economic order quantity formula ignores variations in demand pattern
All of the above
Standard time is equal to
(Normal time) - (allowances)
(Normal time) + (allowances)
Representative time multiplied by rating factor
Normal time taken by an operation
The main disadvantage of line organisation is
Top level executives have to do excessive work
Structure is rigid
Communication delays occur
All of the above
The two bin system is concerned with
Ordering procedure
Forecasting sales
Production planning
Despatching and expediting
In breakeven analysis, total cost consists of
Fixed cost
Variable cost
Fixed cost + variable cost
Fixed cost + variable cost + overheads
CPM is
Synthesising in concepts
Is built of activities oriented programmes
Is used for repetitive works
All of the above
ABC analysis deals with
Analysis of process chart
Flow of material
Ordering schedule of job
Controlling inventory costs money
The process capability of a machine is defined as the capability of the machine to
Produces a definite volume of work per minute
Perform definite number of operations
Produce job at a definite spectrum of speed
Holds a definite spectrum of tolerance and surface finish
A-B-C analysis
Is a basic technique of materials management
Is meant for relative inventory control
Does not depend upon the unit cost of the item but on its annual consumption
All of the above