Recent questions tagged operations-research / GO Mechanical

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GATE2020-ME-1: 13
In the Critical Path Method $(CPM)$, the cost-time slope of an activity is given by $\dfrac{\text{Crash Cost – Normal Cost}}{\text{Crash Time}} \\$ $\dfrac{\text{Normal Cost}}{\text{Crash Time – Normal Time}} \\$ $\dfrac{\text{Crash Cost}}{\text{Crash Time – Normal Time}} \\ $ $\dfrac{\text{Crash Cost – Normal Cost}}{\text{Normal Time – Crash Time}}$

In the Critical Path Method $(CPM)$, the cost-time slope of an activity is given by$\dfrac{\text{Crash Cost – Normal Cost}}{\text{Crash Time}} \\$$\dfrac{\text{Normal C...

go_editor

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go_editor asked Feb 19, 2020

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GATE2020-ME-1: 23
A company is hiring to fill four managerial vacancies. The candidates are five men and three women. If every candidate is equally likely to be chosen then the probability that at least one woman will be selected is _______(round off to $2$ decimal places).

A company is hiring to fill four managerial vacancies. The candidates are five men and three women. If every candidate is equally likely to be chosen then the probability...

go_editor

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go_editor asked Feb 19, 2020

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GATE2020-ME-1: 33
For an assembly line, the production rate was $4$ pieces per hour and the average processing time was $60$ minutes. The $\text{WIP}$ inventory was calculated. Now, the production rate is kept the same, and the average processing time is brought down by $30$ percent. As ... , the $\text{WIP}$ inventory decreases by $25\%$ increases by $25\%$ decreases by $30\%$ increases by $30\%$

For an assembly line, the production rate was $4$ pieces per hour and the average processing time was $60$ minutes. The $\text{WIP}$ inventory was calculated. Now, the pr...

go_editor

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go_editor asked Feb 19, 2020

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GATE2020-ME-1: 47
Two business owners Shveta and Ashok run their business in two different states. Each of them, independent of the other, produces two products $A$ and $B$, sells them at $Rs.\:2,000$ per kg and $Rs.\:3,000$ per kg, respectively, and uses ... value of the difference in daily (optimal) revenue of Shveta and Ashok is _________ thousand Rupees (round off to $2$ decimal places).

Two business owners Shveta and Ashok run their business in two different states. Each of them, independent of the other, produces two products $A$ and $B$, sells them at ...

go_editor

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go_editor asked Feb 19, 2020

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GATE2020-ME-1: 48
$\textbf{Consider two cases as below.}$ $\textbf{Case 1:}$ A company buys $1000$ pieces per year of a certain part from vendor $'X'.$ The changeover time is $2$ hours and the price is $Rs.\: 10$ per piece. The holding cost rate per part is $10\%$ ... reduction in the annual cost of $\text{Case 2}$, as compared to $\text{Case 1}$ is __________ (round off to $2$ decimal places).

$\textbf{Consider two cases as below.}$$\textbf{Case 1:}$ A company buys $1000$ pieces per year of a certain part from vendor $’X’.$The changeover time is $2$ hours a...

go_editor

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go_editor asked Feb 19, 2020

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GATE2019 ME-2: 35
The activities of a project, their duration and the precedence relationships are given in the table. For example, in a precedence relationship $ X<Y,Z $ means that $X$ is predecessor of activities $Y$ and $Z$ ... $17$ $21$ $23$ $25$

The activities of a project, their duration and the precedence relationships are given in the table. For example, in a precedence relationship $”X<Y,Z”$ means that $X...