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Consider the following statements in respect of fabrication of plastic products:
1. Compression moulding is analogous to hot pressing of powdered metals.
2. Jet moulding is a modification of compression moulding.
3. Injection moulding is analogous to die casting of metals
4. Transfer moulding is similar to hydraulic extrusion.
Which of these statements are correct?
1. Compression moulding is analogous to hot pressing of powdered metals.
2. Jet moulding is a modification of compression moulding.
3. Injection moulding is analogous to die casting of metals
4. Transfer moulding is similar to hydraulic extrusion.
Which of these statements are correct?
- a)1 and 2
- b)1 and 3
- c)1, 2 and 4
- d)2, 3 and 4
Correct answer is option 'C'. Can you explain this answer?
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Consider the following statements in respect of fabrication of plastic...
Ans. (c)
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Consider the following statements in respect of fabrication of plastic...
Statement 1: Compression moulding is analogous to hot pressing of powdered metals.
Explanation: Compression moulding is a manufacturing process used to produce plastic products by applying heat and pressure to a mould filled with plastic material. The plastic material is heated until it becomes soft and then it is compressed into the desired shape by applying pressure. This process is similar to hot pressing of powdered metals, where powdered metal is heated and compressed into a mould to form a solid object. Therefore, statement 1 is correct.
Statement 2: Jet moulding is a modification of compression moulding.
Explanation: Jet moulding is a type of moulding process that involves injecting molten plastic material into a mould under high pressure. This process is different from compression moulding, where the plastic material is preheated and then compressed into a mould. Jet moulding allows for faster production and more complex shapes compared to compression moulding. Therefore, statement 2 is incorrect.
Statement 3: Injection moulding is analogous to die casting of metals.
Explanation: Injection moulding is a manufacturing process used to produce plastic products by injecting molten plastic material into a mould under high pressure. The molten plastic is injected into the mould cavity, where it cools and solidifies to form the desired shape. Die casting, on the other hand, is a metal casting process where molten metal is injected into a mould cavity under high pressure. Both injection moulding and die casting involve injecting molten material into a mould, making statement 3 correct.
Statement 4: Transfer moulding is similar to hydraulic extrusion.
Explanation: Transfer moulding is a moulding process that involves transferring molten plastic material from one chamber to another before injecting it into a mould. This process allows for better control over the flow of the plastic material and is commonly used for producing small and intricate parts. Hydraulic extrusion, on the other hand, is a process used to shape metal or plastic by forcing the material through a die using hydraulic pressure. Although both processes involve the use of pressure to shape the material, they are different in terms of the material being used and the method of shaping. Therefore, statement 4 is incorrect.
In conclusion, the correct statements are 1, 2, and 4.
Explanation: Compression moulding is a manufacturing process used to produce plastic products by applying heat and pressure to a mould filled with plastic material. The plastic material is heated until it becomes soft and then it is compressed into the desired shape by applying pressure. This process is similar to hot pressing of powdered metals, where powdered metal is heated and compressed into a mould to form a solid object. Therefore, statement 1 is correct.
Statement 2: Jet moulding is a modification of compression moulding.
Explanation: Jet moulding is a type of moulding process that involves injecting molten plastic material into a mould under high pressure. This process is different from compression moulding, where the plastic material is preheated and then compressed into a mould. Jet moulding allows for faster production and more complex shapes compared to compression moulding. Therefore, statement 2 is incorrect.
Statement 3: Injection moulding is analogous to die casting of metals.
Explanation: Injection moulding is a manufacturing process used to produce plastic products by injecting molten plastic material into a mould under high pressure. The molten plastic is injected into the mould cavity, where it cools and solidifies to form the desired shape. Die casting, on the other hand, is a metal casting process where molten metal is injected into a mould cavity under high pressure. Both injection moulding and die casting involve injecting molten material into a mould, making statement 3 correct.
Statement 4: Transfer moulding is similar to hydraulic extrusion.
Explanation: Transfer moulding is a moulding process that involves transferring molten plastic material from one chamber to another before injecting it into a mould. This process allows for better control over the flow of the plastic material and is commonly used for producing small and intricate parts. Hydraulic extrusion, on the other hand, is a process used to shape metal or plastic by forcing the material through a die using hydraulic pressure. Although both processes involve the use of pressure to shape the material, they are different in terms of the material being used and the method of shaping. Therefore, statement 4 is incorrect.
In conclusion, the correct statements are 1, 2, and 4.
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Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer?
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Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer?.
Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements in respect of fabrication of plastic products:1. Compression moulding is analogous to hot pressing of powdered metals.2. Jet moulding is a modification of compression moulding.3. Injection moulding is analogous to die casting of metals4. Transfer moulding is similar to hydraulic extrusion.Which of these statements are correct?a)1 and 2b)1 and 3c)1, 2 and 4d)2, 3 and 4Correct answer is option 'C'. Can you explain this answer?.
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