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A worker is asked to move 30 boxes from a desk onto a shelf within 3 minutes (assume there is enough space and no other lifting work within 8 hours). The shelf height is 55 inches, and the desk height is 30 inches.

If poles are more than zeros in G (S), then number of root locus branches is equal to a) Number of poles b) Number of zeros c) Sum of poles and zeros d) Difference of poles and zeros

Another way to explain the definition of "virtual condition" is to say?

At the beginning of the compression process of an air-standard Diesel cycle, p1 = 95 kPa and T1 = 300 K. The maximum temperature is 2100 K and the mass of air is 12 g.

Cómo se llama el componente, que permite abrir o cerrar un circuito eléctrico What is the component called, which allows you to open or close an electrical circuit?

The value of the critical Reynolds number for the flow over a flat plate is 5 x10^5. The significance of the value is: (a) The boundary layer will be turbulent where the Reynolds number is less than this value.

The specifications of an electronic device are 24 / - 0.4 Amps. When the device exceeds specifications the average quality cost is $32.00. A sample of the devices had an average value of 23.9 Amps and a standard deviation of 0.211 Amps.

A vacuum gauge indicates that the pressure of air in a closed chamber is 02 bar (vacuum) The pressure of the surrounding atmosphere is equivalent to 750 in of mercury The density of mercury is 13.95 g / cn and the acceleration of gravity is 9.8.

The Reynolds number for flow over a fixed horizontal flat plate is constant throughout its length. a) True b) False

Briefly describe the function of the thermostatic expansion valve in a vapour compression refrigeration system