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प्रश्न
What do you mean by product control?
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उत्तर
Product Control means that controlling the quality of the product by critical examination through sampling inspection plans.
Product Control aims at a certain quality level to be guaranteed to the customers.
It attempts to ensure that the product sold does not contain a large number of defective items.
Thus it is concerned with classification of raw materials, semi-finished goods or finished goods into acceptable on rejectable products.
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संबंधित प्रश्न
Mention the types of causes for variation in a production process
What do you mean by process control?
Define a control chart
Write the control limits for the mean chart
Ten samples each of size five are drawn at regular intervals from a manufacturing process. The sample means `(bar"X")` and their ranges (R) are given below:
| Sample number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| `bar"X"` | 49 | 45 | 48 | 53 | 39 | 47 | 46 | 39 | 51 | 45 |
| R | 7 | 5 | 7 | 9 | 5 | 8 | 8 | 6 | 7 | 6 |
Calculate the control limits in respect of `bar"X"` chart. (Given A2 = 0.58, D3 = 0 and D4 = 2.115) Comment on the state of control
Choose the correct alternative:
The quantities that can be numerically measured can be plotted on a
Choose the correct alternative:
Variations due to natural disorder is known as
Choose the correct alternative:
The assignable causes can occur due to
Choose the correct alternative:
The upper control limit for `bar"X"` chart is given by
Choose the correct alternative:
The LCL for R chart is given by
