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 is used in PERT network to describe the
A Precedence relationship
B Resource idleness
C Resource restriction
D Necessary time delay
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
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
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
If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is
A $$\frac{{{\text{a}} + {\text{m}} + {\text{b}}}}{6}$$
B $$\frac{{{\text{a}} + 2{\text{m}} + {\text{b}}}}{6}$$
C $$\frac{{{\text{a}} + 4{\text{m}} + {\text{b}}}}{6}$$
D $$\frac{{{\text{a}} + 5{\text{m}} + {\text{b}}}}{6}$$
My favorite activity is reading is a --
A Gerund
B Object
C Verbal noun
D Complement

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