Question

5. An automatic screw machine is capable of producing one piece in 0.02 minute. How many pieces can be produced in 2.75 hours? a. 7500 b. 7750 C. 8000 d. 8250 6. If 1150 parts are produced in 6.25 hours, find the number of parts produced in 9.75 hours? a. 1509 b. 1654 c. 1794 d. 1863 7. The total amount of time required to machine a part is 11.4 hours. Milling machine operations take 6.0 hours. What percent of the total time is spent on the milling machine? Round to one decimal place. a. 50.4 b. 52.6 c. 52.8 d. 55.1 8. Stock is removed from a block in two operations. The original thickness of the block is represented by x. the thickness removed by the milling machine operation is represented by y and the thickness removed by the grinding operation is represented by z. What is the final thickness of the block? a. x - y b. x-z c. x+y+z d. x-y-z

i need the answers for all four of the problem.

Answer 1

required to Machine a Y. V Total time spent on Milling Machining (5) Ans: o.oa minute I Piece take 2.75 Hos 2 2.75*60 min Number of pieces in 2.75 His 2.75X60 o og min 8250 pieces - Aus @ 6.25 Hos. 1150 parts 9-45 HOS 2 No q posts in 9.75 HAS 9.758 1150 = 6.25 1794 © ophon 11.4 Hos (A Today Time parst → 6 Hos. Machine » Milling 6x100 11.4 (52.611

% Percentage = 52-6*/ optien © original trickuess block x- removed By milling machine sy. x-y. remaining thicknes tz Grinding removed Block x-y-z final thickness V (du option