What is the minimum hose diameter of an ideal vacuum cleaner that could lift a 14 kg dog off the floor?

A 21-mm-diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 109 MPa when one end is twisted through an angle of 15°, what must be the length of the bar?

Advocates of small government complain that two proposed government programs will steal the market from small businesses: One program will foster a major increase in the government production of bread;

The correct statement about the relation between the shear stress (force) at the surface for laminar and turbulent flow over a flat plate is. a. The laminar shear stress is greater because the fluid viscosity is not important in turbulent flow. b.

Name two parts that are sometimes made of hard metal and pressed into the head

The benefit of using the generalized enthalpy departure chart prepared by using PR and TR as the parameters instead of P and T is that the single chart can be used for all gases instead of a single particular gas. a. True b. False

What is the definition of a fluid?

You are ordering steel cable for a 250 foot long zip-line you are building in your back yard. The cable can be ordered in diameters with 1/16 inch increments. (1/16, 1/8, 3/16, 1/4, 5/16, 3/8, etc.

Which of the following statements is LEAST-Likely true? A) Do not attempt to unseat the beads of an inflated tire. B) Do not strike the tire or rim with a hammer. C) A hammer is sometimes necessary when removing a passenger car tire.

What is the pitch circle diameter of a 50-tooth spur gear having a circular pitch of 0.375 inch

Emergency plans are being formulated so that rapid action can be taken in the event of an equipment failure. It is predicted that if a particular pipeline were to rupture, it would release ammonia at a rate of 100 lb/s.