1
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
A company uses $$2555$$ units of an item annually. Delivery lead time is $$8$$ days. The recorder point (in number of units) to achieve optimum inventory is
A
$$7$$
B
$$8$$
C
$$56$$
D
$$60$$
2
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
$${t_e} = {{{t_0} + 4{t_P} + {t_L}} \over 3}$$
3
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
Consider the following network GATE ME 2009 Industrial Engineering - Pert and Cpm Question 18 English 1

The optimistic time, most likely time and pessimistic time of all the activities are given in the table below :

GATE ME 2009 Industrial Engineering - Pert and Cpm Question 18 English 2

The critical path duration of the network (in days) is

A
$$11$$
B
$$14$$
C
$$17$$
D
$$18$$
4
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
Consider the following network GATE ME 2009 Industrial Engineering - Pert and Cpm Question 17 English 1

The optimistic time, most likely time and pessimistic time of all the activities are given in the table below :

GATE ME 2009 Industrial Engineering - Pert and Cpm Question 17 English 2

The standard deviation of the critical path is

A
$$0.33$$
B
$$0.55$$
C
$$0.77$$
D
$$1.66$$
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