A30- by 42-in. jaw crusher is set to operate with a 2½-in. opening. the output from the crusher is discharged onto a screen with 1½-in. openings. the efficiency of the screen is 90%. the aggregate that does not pass through the screen goes to a 40- by 20-in. roll crusher, set at 1¼ in. determine the maximum output of the roll crusher in tons per hour for material less than 1 in. there will be no recycle of roll crusher oversize. what amount, in tons per hour, of the roll crusher output is in the range of 1 in. to ½ in., and what amount is less than ½ in.?

Drag each label to the correct location on the image list the do’s and don’ts of safeguarding your password. a. keep yourself logged in when you leave your computer.b. don’t write your password down and leave it where others can find it.c. share your password with your friends.d.each time you visit a website,retain the cookies on your computer.e. use a long password with mixed characters.1. do's 2. don'ts

Why is investing in a mutual fund less risky than investing in a particular company's stock? a. mutual funds only invest in blue-chip stocks. b. investments in mutual funds are more liquid. c. mutual funds hold a diversified portfolio of stocks. d. investments in mutual funds offer a higher rate of return.

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system.currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system.currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system.currenttimemillis() just after the end of the algorithm as the elapsed time.