GATE2015-2-55

Arjun asked Feb 24, 2017 • recategorized Mar 4, 2021 by Lakshman Bhaiya

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Arjun asked Feb 24, 2017

GATE2015-2-52
A single point cutting tool with $0^\circ $ rake angle is used in an orthogonal machining process. At a cutting speed of $180$ $m/min$, the thrust force is $490$ $N$. If the coefficient of friction between the tool and the chip is $0.7$, then the power consumption (in $kW$) for the machining operation is ________

A single point cutting tool with $0^\circ $ rake angle is used in an orthogonal machining process. At a cutting speed of $180$ $m/min$, the thrust force is $490$ $N$. If ...

Arjun

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Arjun asked Feb 24, 2017

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go_editor asked Sep 18, 2020

GATE2020-ME-2: 45
Bars of $250$ mm length and $25$ mm diameter are to be turned on a lathe with a feed of $0.2$ mm/rev. Each regrinding of the tool costs Rs. $20$. The time required for each tool change is $1$ ... tool life $T$ is in min). The optimum tool cost per piece for maximum production rate is Rs. _______ (round off to $2$ decimal places).

Bars of $250$ mm length and $25$ mm diameter are to be turned on a lathe with a feed of $0.2$ mm/rev. Each regrinding of the tool costs Rs. $20$. The time required for ea...

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Arjun asked Feb 24, 2017

GATE2015-2-50
The flow stress (in $MPa$) of a material is given by $\sigma =500\varepsilon ^{0.1}$, where $ε$ is true strain. The Young’s modulus of elasticity of the material is $200$ $GPa$. A block of thickness $100$ $mm$ made of this material is compressed to $95$ $mm$ thickness and then the load is removed. The final dimension of the block (in $mm$) is _________

The flow stress (in $MPa$) of a material is given by $\sigma =500\varepsilon ^{0.1}$,where $ε...

Arjun

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Arjun asked Feb 24, 2017

GATE2015-2-24
Annual demand of a product is $50000$ units and the ordering cost is $Rs$. $7000$ per order. Considering the basic economic order quantity model, the economic order quantity is $10000$ units. When the annual inventory cost is minimized, the annual inventory holding cost (in $Rs$.) is _______

Annual demand of a product is $50000$ units and the ordering cost is $Rs$. $7000$ per order. Considering the basic economic order quantity model, the economic order quant...

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Arjun asked Feb 24, 2017

GATE2015-2-20
The atomic packing factor for a material with body centered cubic structure is __________

The atomic packing factor for a material with body centered cubic structure is __________

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