1
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

The most suitable electrode material used for joining low alloy steels using Gas Metal Arc Welding (GMAW) process is

A

copper

B

cadmium

C

low alloy steel

D

tungsten

2
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

The preparatory functions in Computer Numerical Controlled (CNC) machine programming are denoted by the alphabet

A

G

B

M

C

P

D

O

3
GATE ME 2024
Numerical
+2
-0

A cutting tool provides a tool life of 60 minutes while machining with the cutting speed of 60 m/min. When the same tool is used for machining the same material, it provides a tool life of 10 minutes for a cutting speed of 100 m/min. If the cutting speed is changed to 80 m/min for the same tool and work material combination, the tool life computed using Taylor’s tool life model is _______ minutes (rounded off to 2 decimal places).

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4
GATE ME 2024
Numerical
+2
-0

Aluminium is casted in a cube-shaped mold having dimensions as 20 mm × 20 mm × 20 mm. Another mold of the same mold material is used to cast a sphere of aluminium having a diameter of 20 mm. The pouring temperature for both cases is the same. The ratio of the solidification times of the cube-shaped mold to the spherical mold is _______ (answer in integer).

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