Question 1

Which factor analysis technique is used to study multiple variables simultaneously and to determine the interacting effects between variables?

Options :

A : Root Cause Analysis (RCA)

B : Plan Do Check Act (PDCA)

C : Design of Experiments (DOE)

D : Failure Mode and Effects Analysis (FMEA)

Answer: C

Question 2

In a heat treatment process, what is the main purpose of quenching?

Options :

A : To soften the metal

B : To reduce residual stress

C : To increase hardness

D : To remove impurities

Answer: C

Question 3

What is the intensity of a lawnmower operating at 85 dB?

Options :

A : 8.5 x 10⁻⁴ W/m²

B : 3.16 x 10⁴ W/m²

C : 85 W/m²

D : 3.16 x 10⁻⁴ W/m²

Answer: D

Question 4

In calculus, integration is defined as:

Options :

A : finding the range of values which may be included in a function.

B : finding the slope of the curve of a function.

C : finding the maximum and minimum points along the curve of a function

D : finding the area under the curve of a function.

Answer: D

Question 5

In a Six Sigma project, what is the purpose of the DMAIC methodology?

Options :

A : To define project scope

B : To improve and control processes

C : To analyze market trends

D : To measure customer satisfaction

Answer: B

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