Acircular thin steel diaphragm having an effective diameter of 200 mm is clamped around its periphery and is subjected to a uniform gas pressure of 180 kn/m2. calculate a minimum thickness for the diaphragm if the deflection at the centre is not to exceed 0.5 mm. e= 208 gn/m2, ν=0.287.

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

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.