Ahole is being drilled in a block of magnesium alloy with a 15- mm drill at a feed of 0.2 mm/rev. the spindle is running at 500 rpm. calculate the material removal rate, and estimate the torque on the drill. the specific energy of the magnesium alloy is 0.5 w-s/mm3 .

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

Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed

Fluids at rest possess no flow energy. a)- true b)- false