5a. What is a worm gear reducer?

5b. Why is a worm gear extremely quiet and able to tolerate substantial loads?

1a. What are the different types of speed reducers?

1b. What are the factors considered when selecting the reducer?

Back injuries are very common in humans and are often caused by lifting objects with the legs straight while leaning over; also known as “lifting with the back.” Use the concepts learned in this lab to explain why one should “lift with the legs” rather than with the back. Make sure to discuss the forces and torques involved, and how they differ in the two lifting techniques.

The high and low temperatures of each day in Wichita KS are given in Table. (1 pt) (a) Plot the high temperature for 7 days as a function of day, i.e., high temperature on y-axis, and day # on x-axis. Use the red, empty square as a marker with the solid line. (b) Plot both the high and low temperature for 7 days as a function of day in the same plot. Use the red, empty square as a marker with the solid line for high temperature, and blue, empty circle as a marker with the dotted line for low temperature.

For Octave/Matlab

Mr smith plans to deposit money in a bank that pays 10% interest per year, compounded daily. what the effective rate of interest will he receive (a) yearly, (b) semiannually? Answers (a) 10.515% (b) 5.0625%

Provide five examples of how the Internet of Things (IoT) will influence your career practicing mechanical engineering

o Explain (in detail and with examples) how life and society will benefit from this evolution

For the flow field ?⃗ = ? + Ω × ? , where ?⃗ and Ω are constant linear- and angular velocity vectors, use index notation to find its strain rate tensor ??? and rotation tensor ???.

Explain the pros and cons of an HCCI engine. Why isn’t it a viable engine technology at the moment?

The bandwidth of a bang-bang position servo is _____. a. small b. large