71. Pick up the PERT event from the following :
A. Digging of foundation started
B. Digging of foundation completed
C. Laying of concrete started
D. All the above.
72. Frequency distribution curves
A. having a single lump, are called uninodal curves
B. if symmetrical, are called normal curves
C. if not symmetrical, are called skew curves
D. all the above.
73. Pick up the correct statement from the following :
A. Optimistic time estimate refers to activities
B. Pessimistic time estimate refers to activities
C. Most likely time estimate refers to activities
D. All the above.
74. Pick up the correct statement from the following :
A. Earliest expected time is denoted by TE
B. Latest occurrence time is denoted by 71
C. Contractual obligation time is denoted by I's
D. All the above.
75. Pick up the correct statement from the following :
A. Forward pass is used for calculating earliest expected time
B. Backward pass is used for calculating the latest occurence time
C. Maximum value of earliest expected time is used if there are more than one value of any event
D. All the above.
76. Pick up the correct statement from the following :
A. The difference of latest occurence time and earliest expected time, is called slack
B. The activities connecting the events having zero slack, lie on the critical path
C. The critical path consumes the maximum time
D. All the above.
77. In CPM analysis,
A. emphasis is given to activities
B. uncertainties are not allowed
C. activities are represented by arrows
D. all the above.
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