What is the mechanical advantage of a 3/8” diameter screw with 20 threads per inch if a 1.5” diameter screwdriver is used to install the screw? Please show work. A. 94
B. 47
C. 118
D. 24

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented

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

What are the major differences between injection molding and extrusion?