1
GATE ME 2017 Set 2
Numerical
+1
-0
The standard deviation of linear dimensions $$P$$ and $$Q$$ are $$3\mu m$$ and $$4\mu m$$, respectively. When assembled, the standard deviation (in $$\mu m$$) of the following linear dimension $$(P+Q)$$ is ___________.
Your input ____
2
GATE ME 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
In $$PERT$$ chart, the activity time distribution is
A
Normal
B
Binomial
C
Poisson
D
Beta
3
GATE ME 2014
MCQ (Single Correct Answer)
+1
-0.3
A minimal spanning tree in network flow models involves
A
all the nodes with cycle/loop allowed
B
all the nodes with cycle/loop not allowed
C
shortest path between start and end nodes
D
all the nodes with directed arcs
4
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
The expected time $$\left( {{t_e}} \right)$$ of a $$PERT$$ activity in terms of optimistic time $$\left( {{t_0}} \right)$$, pessimistic $$\left( {{t_p}} \right)$$ and most likely time $$\left( {{t_L}} \right)$$ is given by
A
$${t_e} = {{{t_0} + 4{t_L} + {t_P}} \over 6}$$
B
$${t_e} = {{{t_0} + 4{t_P} + {t_L}} \over 6}$$
C
$${t_e} = {{{t_0} + 4{t_L} + {t_P}} \over 3}$$
D
$${t_e} = {{{t_0} + 4{t_P} + {t_L}} \over 3}$$
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