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Manufacturing and Production: Part 16
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Extrusion theory questions

Ashish Futtan is teaching live on Unacademy Plus

Ashish Futtan
MTECH IIT Bombay|Quora Top Writer for GATE Mechanical 2019|Cracked IIT (ISM) Dhanbad,IIT DELHI|3 times GATE qualified| Singer|

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  1. manufacturing and production


  2. HELLO! I am ASHISH FUTTAN MTECH-IIT BOMBAY TOP STAR EDUCATOFR VERIFIED EDUCATOR CRACKED VARIOUS IITS 3 TIMES GATE QUALIFIED PUBLISHED MORE THAN 600 LESSONS


  3. IES - 2000 Consider the following statements: In forward extrusion process 1. The ram and the extruded product travel in the same direction. 2. The ram and the extruded product travel in the opposite direction 3. The speed of travel of the extruded product is same as that of the ram 4. The speed of travel of the extruded product is greater than that of the ram. Which of these Statements are correct? (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4


  4. IES 2012 Which of the following are correct for an indirect hot extrusion process? 1. Billet remains stationary 2. There is no friction force between billet and container walls. 3. The force required on the punch is more in comparison to direct extrusion. 4. Extrusion parts have to be provided a support. (a) 1, 2, 3 and 4 (b) 1, 2 and 3 only (c) 1, 2 and 4 only (d) 2, 3 and 4 only


  5. IES - 2007 Assertion (A): Greater force on the plunger is required in case of direct extrusion than indirect one, Reason (R): In case of direct extrusion, the directiorn of the force applied on the plunger and the direction of the movement of the extruded metal are the same. (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is falsee (d) A is false but R is true


  6. IAS - 2004 Assertion (A): Indirect extrusion operation can be performed either by moving ram or by moving the container. Reason (R): Advantage in indirect extrusion is les:s quantity of scrap compared to direct extrusion. (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is falsee (d) A is false but R is true


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