Virtual Labs

Q1. Which country has maximum contribution in worldwide forging industry?

a: China Explanation

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b: USA, Canada Explanation

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c: Europe Explanation

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d: India Explanation

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Q2. The types of extrusion process involved in metal forming are:

a: 3 Explanation

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b: 4 Explanation

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c: 1 Explanation

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d: 5 Explanation

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Q3. Parameter which separates cold forming from hot forming is:

a: Re-crystallisation temperature Explanation

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b: Melting point Explanation

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c: Physical properties Explanation

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d: Surface properties Explanation

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Q4. How many types of presses are shown in extrusion module?

a: 3 Explanation

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b: 10 Explanation

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c: 1 Explanation

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d: 5 Explanation

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Q5. The force acting on the workpiece during extrusion is:

a: Compressive Force Explanation

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b: Shear Force Explanation

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c: Tensile Force Explanation

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d: Spring Back Force Explanation

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Q6. Velocity of ram used in aluminium extrusion simulation:

a: 1 mm/sec & 5 mm/sec Explanation

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b: 2 mm/sec & 3 mm/sec Explanation

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c: 5 mm/sec & 7 mm/sec Explanation

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d: 4 mm/sec & 5 mm/sec Explanation

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Q7. Die angles used in aluminium extrusion simulation:

a: 45,60,90 Explanation

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b: 10,45,60 Explanation

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c: 20,40,60 Explanation

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d: 10,20,30 Explanation

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Q8. Metal extrusion is generally used to produce:

a: Both Explanation

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b: Uniform solid section Explanation

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c: Uniform hollow section Explanation

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d: None Explanation

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Q9. For successive extrusion, the metal should be:

a: Ductile Explanation

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b: Malleable Explanation

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c: Plastic Explanation

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d: Tough Explanation

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Q10. The extrusion chamber, die and ram are lubricated by:

a: Solid lubricant Explanation

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b: Grease Explanation

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c: Vegetable Explanation

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d: Kerosene oil Explanation

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Extrusion