A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is________?

In the perpetual inventory control, the material is checked when it reaches its________?

The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be________?

In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by________?

As the value of index ‘«’ is decreased, the volumetric efficiency will________?

If some links are connected such that motion between them can take place in more than one direction, it is called________?