1. TRUE AND FALSE (five points each) T F 1. Scales are used to take measurements.
T F 2. All scales are made of plastic.
T F 3. The mechanical scale is the same of the metric scale.
T F 4. The full-divided scales has all of the main units subdivided.
T F 5. Scales are the second most commonly used Drafting tool.

If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.

You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when