Related Questions

A dummy activity in a net work diagram
A Is represented by a dotted line
B Is an artificial activity
C Does not consume time or resources
D All of these
A dummy activity
A Is artificially introduced
B Is represented by a dotted line
C Does not require any time
D All of the above
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
PERT technique of network analysis is mainly useful for
A Small projects
B Large and complex projects
C Research and development projects
D Deterministic activities
The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
A Event
B Free float
C Dummy
D Constraint
The artificial activity, which indicates that an activity following it cannot be started unless, the preceding activity is complete, is known as
A Event
B Free float
C Artificial
D Dummy
Dummy coil should not be used in
A small machines
B large machines
C either (A) or (B)
D none of the above
The winding where dummy coils are used is sometimes called
A Duplex winding
B Triplex winding
C Forced winding
D None of the above
Dummy activities are used to
A Determine the critical path
B Determine the project completion time
C Maintain the required net work
D None of these
The purpose of providing dummy coils in a generator is
A To reduce eddy current losses
B To enhance flux density
C To amplify voltage
D To provide mechanical balance for the rotor

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