GATE ME 2022: Manufacturing

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Question 1

Match the following types of welded joints:

• AA-3; B-1; C-2; D-4
• BA-4; B-1; C-2; D-3
• CA-4; B-3; C-2; D-1
• DA-1; B-3; C-2; D-4

Question 2

V-I characteristics of a power source is given by equation . The arc characteristic is I = 10(V-6). The power of stable arc is

• A822.46 W
• B933.33 W
• C1012.48 W
• D2033.80 W

Question 3

The shape in which Cemented carbide tools are not available in insert of the machining process

• Ahexagonal
• Bsquares
• Ctriangles
• Ddiamonds

Question 4

In an orthogonal cutting, rake angle is zero, cutting speed and depth of cut are 60 m/min and 2.4 mm respectively. The cutting ratio is found to be 0.75. The value of chip thickness and velocity of chip relative to work-piece, respectively, is _______.

• A1.8 mm, 45 m/min
• B3.2 mm, 75 m/min
• C1.8 mm, 75 m/min
• D3.2 mm, 45 m/min

Question 5

A 10 mm diameter annealed steel wire is drawn through a die at a speed of 0.5 m/s to reduce the diameter by 20%. The drawing stress is 357 MPa. The power required for drawing process is _________ (kW).

• A4.5 kW
• B8.97 kW
• C14 kW
• D17.94 kW

Question 6

With a solidification factor of 0.97 × 10⁶ s/m², the maximum solidification time for a cylindrical casting of volume 500 cm³ will be _________.

• A19.93 s
• B200.24 s
• C70.39 s
• D997.97 s

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