Inventory and Quality Control
JKSSB Junior Engineer (Mechanical) · Industrial Management and CAD/CAM · 32 practice questions with answers and explanations: 3 Easy, 29 Medium, 0 Hard.
Sample questions
Sample Easy question 1
The economic order quantity (EOQ) is the order size that:
- minimises the total of ordering and carrying costs
- minimises the ordering cost only
- maximises the stock
- makes the purchase price zero
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Answer: A. At EOQ the ordering and holding costs are equal.
Sample Easy question 2
Quality control aims at:
- reducing production to zero
- increasing the delays
- increasing the price
- ensuring that products conform to the specified standards
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Answer: D. It covers inspection and corrective action.
Sample Easy question 3
Inspection of a product after it is made, to separate good from bad items, is called:
- first piece inspection
- final inspection
- in-process inspection
- pre-production inspection
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Answer: B. It checks the finished goods.
Sample Medium question 4
The R-chart in quality control is used to control the:
- variability (range) of the process
- average of the process
- cost of the process
- speed of the machine
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Answer: A. It is plotted along with the X-bar chart.
Sample Medium question 5
In a control chart, the upper and lower control limits are usually set at:
- three standard deviations from the mean
- the specification limits
- one standard deviation from the mean
- twice the mean
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Answer: A. About 99.73 per cent of points fall within these limits for a normal process.
Sample Medium question 6
A point falling outside the control limits indicates that:
- the specification is wrong
- the process is perfect
- the process is probably out of statistical control
- the sample was too large
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Answer: C. A cause should be investigated.