1
GATE ME 2006
MCQ (Single Correct Answer)
+2
-0.6
Consider a $$PERT$$ network for a project involving six tasks ($$a$$ to $$f$$)

The standard deviation of the critical path of the project is

A
$$\sqrt {151}$$ days
B
$$\sqrt {155}$$ days
C
$$\sqrt {200}$$ days
D
$$\sqrt {238}$$ days
2
GATE ME 2005
MCQ (Single Correct Answer)
+2
-0.6
A project has six activities $$(A$$ to $$F)$$ with respective activity durations $$7,5,6,6,8,4$$ days. The network has three paths $$A-B,C-D$$ and $$E-F.$$ All the activities can be crashed with the same crash cost per day. The number of activities that need to be crashed to reduce the project duration by $$1$$ day is
A
$$1$$
B
$$2$$
C
$$3$$
D
$$6$$
3
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
A project consists of activities $$A$$ to $$M$$ shown in the net in the following figure with the duration of the activities marked in days.

The project can be completed

A
between $$18,$$ $$19$$ day
B
between $$20, 22$$ days
C
between $$24, 26$$ days
D
between $$60, 70$$ days
4
GATE ME 2002
MCQ (Single Correct Answer)
+2
-0.6
A project consists of three parallel paths with mean durations and variances of $$(10,4), (12,4)$$ and $$(12,9)$$ respectively. According to the standard $$PERT$$ assumptions, the distribution of the project duration is
A
Beta with mean $$10$$ and standard deviation $$2$$
B
Beta with mean $$12$$ and standard deviation $$2$$
C
Normal with mean $$10$$ and standard deviation $$3$$
D
Normal with mean $$12$$ and standard deviation $$3$$
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