Assess each of the following statements concerning valve stems. A tube-type tire valve stem should be fixed to the rim and form an airtight seal.

A metal valve stem should be tightened to the rim using the specified torque.

A tubeless tire valve stem consists of an inner and outer valve/seal.

You can use a valve core tool to deflate a tire quickly

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.

For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor