If the heat content of one ton of coal is 28 million btu/ton, what is the cost of electricity? a)- $0.063 b)- $0.014 °c)- $0.023 d)- $0.011

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options