A 120 galbon tank initially 90ib of salt dissolved in 90 gal of water brain containing 2ib/gal of salt flows into the tank at the rate of 4 gal/min and the well stired mixture flows out of the tank at the rate of 3 gal/min how much salt does the tank contain what is full

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false