GATE ME 2012 | Question: 38

Andrijana3306 asked Mar 19, 2018 • recategorized Mar 3, 2021 by Lakshman Bhaiya

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GATE ME 2012 | Question: 39
In a DC arc welding operation, the voltage-arc length characteristic was obtained as $V_{arc} = 20+5l$ where the arc length $l$ was varied between $5$ mm and $7$ mm. Here $V_{arc}$ denotes the arc voltage in $Volts$. The arc current was varied from $400$ A and $500$ A. ... for the welding operation are $45$ V, $450$ A $75$ V, $750$ A $95$ V, $950$ A $150$ V, $1500$ A

In a DC arc welding operation, the voltage-arc length characteristic was obtained as $V_{arc} = 20+5l$ where the arc length $l$ was varied between $5$ mm and $7$ mm. Here...

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GATE ME 2012 | Question: 26
The homogeneous state of stress for a metal part undergoing plastic deformation is $T = \begin{pmatrix} 10 & 5 & 0 \\ 5 & 20 & 0 \\ 0 & 0 & -10 \end{pmatrix}$ where the stress component values are in MPa. Using von Mises yield criterion, the value of estimated shear yield stress, in MPa is 9.50 16.07 28.52 49.41

The homogeneous state of stress for a metal part undergoing plastic deformation is $$T = \begin{pmatrix} 10 & 5 & 0 \\ 5 & 20 & 0 \\ 0 & 0 & -10 \end{pmatrix}$$ where the...

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GATE ME 2012 | Question: 16
A solid cylinder of diameter $100$ mm and height $50$ mm is forged between two frictionless flat dies to a height of $25$ mm. The percentage change in diameter is $0$ $2.07$ $20.7$ $41.4$

A solid cylinder of diameter $100$ mm and height $50$ mm is forged between two frictionless flat dies to a height of $25$ mm. The percentage change in diameter is$0$$2.07...

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GATE ME 2012 | Question: 37
Calculate the punch size in mm, for a circular blanking operation for which details are given below. ... $24.83$ $24.89$ $25.01$ $25.17$

Calculate the punch size in mm, for a circular blanking operation for which details are given below.$\begin{array}{ll} \text{Size of the blank} & 25 \text{ mm} \\ \text{T...

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GATE ME 2012 | Question: 28
In a single pass drilling operation, a through hole of $15$ mm diameter is to be drilled in a steel plate of $50$ mm thickness. Drill spindle speed is $500$ rpm, feed is $0.2$ mm/rev and drill point angle is $118^{\circ}$. Assuming $2$ mm clearance at approach and exit, the total drill time (in seconds) is $35.1$ $32.4$ $31.2$ $30.1$

In a single pass drilling operation, a through hole of $15$ mm diameter is to be drilled in a steel plate of $50$ mm thickness. Drill spindle speed is $500$ rpm, feed is ...

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