Technician A says that it is correct to repair a tire when two puncture repairs overlap each other. Technician B says when two tire punctures are within several inches of each other and on the same tread line, the tire should be scrapped. Who is right? O A. A only B. B only C. Both A and B D. Neither A nor B ​

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.

Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.