?Why are nucleating agents added to a polymer?
A. ?to increase its crystallinity
B. ?to reduce acidity
C. ?to improve flexibility
D. ?to lower its melting point
Answer: A
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Bend tangent line is the line where the flat surface of a part is tangent to the bend radius.
Answer the following statement true (T) or false (F)
Which of the following statements about work gloves is not true?
a. They should be worn whenever hand injuries are possible. b. The size of the gloves does not matter. c. They should be removed when working with rotating machinery. d. They are considered personal protective equipment.
A steam hybrid engine uses heat from the ____ to create the steam.
A. exhaust B. engine C. brakes D. wheels
An instrument called a clamp-on ammeter is so called because the tongs can be clamped around a single wire.
Answer the following statement true (T) or false (F)