Multiple Choice Questions (MCQ) on Quality Control
Multiple Choice Questions (MCQ) on Quality Control
Process control is carried out
- before production
- during production
- after production control
- All of the above
(Ans:b)
Low cost, higher volume items requires
- no inspection
- little inspection
- intensive inspection
- 100% inspection
(Ans:b)
High cost, low volume items requires
- no inspection
- little inspection
- intensive inspection
- 100% inspection
(Ans:c)
The mean of sampling distribution is
- less than mean of process distribution
- more than mean of process distribution
- equal to mean of process distribution
- any of the above
(Ans:c)
The percent of the sample means will have values that are within ±3 standard deviations of the distribution mean is
- 95.5
- 96.7
- 97.6
- 99.7
(Ans:d)
The dividing lines between random and non random deviations from mean of the distribution are known as
- upper control limit
- lower control limit
- control limits
- two sigma limits
(Ans:c)
The chart used to monitor variable is
- Range chart
- p-chart
- c-chart
- All of the above
(Ans:a)
The chart used to monitor attributes is
- Range chart
- Mean chart
- p-chart
- All of the above
(Ans:c)
Central tendency of a process is monitored in
- Range chart
- Mean chart
- p-chart
- c-chart
(Ans:b)
Dispersion of a process in monitored in
- Range chart
- Mean chart
- p-chart
- c-chart
(Ans:a)
The control chart used for the fraction of defective items in a sample is
- Range chart
- Mean chart
- p-chart
- c-chart
(Ans:c)
The control chart used for the number of defects per unit is
- Range chart
- Mean chart
- p-chart
- c-chart
(Ans:d)
The process capability is calculated as
- (USL-LSL)/3σ
- (USL+LSL)/3σ
- (USL-LSL)/6σ
- (USL+LSL)/6σ
Where USL=Upper specification limit, LSL=Lower specification limit
(Ans:c)
A six sigma process has defect level below ______ defects per million opportunities.
- 3.4
- 4.5
- 5.6
- 6.7
(Ans:a)