Which of the following statements is/are true? (a). engineers apply tolerances to part dimensions to reduce the amount of variation that occurs during production of part. (b). best engineering practice is to design and manufacture parts to a highly precise tolerances. (c). tighter tolerances are an indication of a better product design. (d). a and b. (e). a, b and c. d o (f). a and c only.

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

a

explanation: