1
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
For a particular project, eight activities are to be carried out. Their relationships with other activities and expected durations are mentioned in the table below. GATE ME 2012 Industrial Engineering - Pert and Cpm Question 13 English

If the duration of activity $$''f ''$$ alone is changed from $$9$$ to $$10$$ days, then the

A
critical path remains the same and the total duration to complete the project changes to $$19$$ days.
B
critical path and the total duration to complete the project remains the same.
C
critical path changes but the total duration to complete the project remains the same.
D
critical path changes and the total duration to complete the project changes to $$17$$ days.
2
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is NOT a decision taken during the aggregate production planning stage?
A
Scheduling of machines
B
Amount of labour to be committed
C
Rate at which production should happen
D
Inventory to be carried forward
3
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
A solid circular shaft needs to be designed to transmit a torque of $$50$$ $$N.m.$$ If the allowable shear stress of the material is $$140$$ $$MPa,$$ assuming a factor of safety of $$2,$$ the minimum allowable design diameter in $$mm$$ is
A
$$8$$
B
$$16$$
C
$$24$$
D
$$32$$
4
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
The homogeneous state of stress for a metal part undergoing plastic deformation is $$$T = \left( {\matrix{ {10} & 5 & 0 \cr 5 & {20} & 0 \cr 0 & 0 & { - 10} \cr } } \right)$$$

Where the stress component values are in $$MPa.$$ Using von Mises yield criterion, the value of estimated shear yield stress, in $$MPa$$ is

A
$$9.50$$
B
$$16.07$$
C
$$28.52$$
D
$$49.41$$
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