1
GATE ME 2023
Numerical
+2
-0

The atomic radius of a hypothetical face-centered cubic (FCC) metal is (√2/10) nm. The atomic weight of the metal is 24.092 g/mol. Taking Avogadro’s number to be 6.023 Γ— 1023 atoms/mol, the density of the metal is ____________ kg/m3 .

(Answer in integer)

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2
GATE ME 2023
Numerical
+2
-0

A steel sample with 1.5 wt.% carbon (no other alloying elements present) is slowly cooled from 1100 Β°C to just below the eutectoid temperature (723 Β°C). A part of the iron-cementite phase diagram is shown in the figure. The ratio of the pro-eutectoid cementite content to the total cementite content in the microstructure that develops just below the eutectoid temperature is ________.

(Rounded off to two decimal places)

GATE ME 2023 Production Engineering - Metal Forming Question 1 English

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3
GATE ME 2023
Numerical
+2
-0

A part, produced in high volumes, is dimensioned as shown. The machining process making this part is known to be statistically in control based on sampling data. The sampling data shows that D1 follows a normal distribution with a mean of 20 mm and a standard deviation of 0.3 mm, while D2 follows a normal distribution with a mean of 35 mm and a standard deviation of 0.4 mm. An inspection of dimension C is carried out in a sufficiently large number of parts.

To be considered under six-sigma process control, the upper limit of dimension C should be ____________ mm.

(Rounded off to one decimal place)

GATE ME 2023 Production Engineering - Sheet Metal Forming Processes Question 1 English

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4
GATE ME 2023
Numerical
+2
-0

A coordinate measuring machine (CMM) is used to determine the distance between Surface SP and Surface SQ of an approximately cuboidal shaped part. Surface SP is declared as the datum as per the engineering drawing used for manufacturing this part. The CMM is used to measure four points P1, P2, P3, P4 on Surface SP, and four points Q1, Q2, Q3, Q4 on Surface SQ as shown. A regression procedure is used to fit the necessary planes.

The distance between the two fitted planes is ___________ mm.

(Answer in integer)

GATE ME 2023 Production Engineering - Metrology and Inspection Question 2 English
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