Statistical Quality Control Mcqs

Q:

What does reduced variability result in?

A) Increased failure rate B) Decreased reliability
C) Fewer repair claims D) Increased repair costs
 
Answer & Explanation Answer: C) Fewer repair claims

Explanation: Reduction in variability removes harmful differences between product units. This means fewer failures, hence lesser repair claims.

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81
Q:

How is the aesthetics of a product defined as?

A) How good the product performs its job B) How good it looks
C) How fast the job of the product is completed D) Whether the product is made exactly as the designer intended
 
Answer & Explanation Answer: B) How good it looks

Explanation: The visual appeal of the product is regarded as the aesthetics of the product. The looking of a product is the aesthetic dimension of quality.

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227
Q:

Which one of these is not a component of quality?

A) Reliability B) Durability
C) Acceptance sampling D) Serviceability
 
Answer & Explanation Answer: C) Acceptance sampling

Explanation: There are 8 components of quality which include reliability, durability, and serviceability. Acceptance sampling is not one of them.

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240
Q:

Performance of a product is _____

A) how long the product lasts B) how easy it is to repair the product
C) how often the product fails D) whether the product is capable of doing the intended job
 
Answer & Explanation Answer: D) whether the product is capable of doing the intended job

Explanation: Performance of a manufactured product is defined as the capability of a product to do the job, for which it is designed.

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468
Q:

Which one of these is a dimension of quality?

A) Performance B) Hazard rate
C) Process Capability D) Control limits
 
Answer & Explanation Answer: A) Performance

Explanation: Performance is a key component of quality. Hence, it is counted in the dimensions of quality by Garvin (1987).

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103
Q:

Quality is ______ variability.

A) opposite of B) proportional to
C) reciprocal of D) synonym of
 
Answer & Explanation Answer: C) reciprocal of

Explanation: Quality is defined as the fitness of a product for use. In normal circumstances, the fitness of a product for use increases with a reduction in variability. So, Quality is reciprocal of Variability.

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