In the workshop power is fransmitted by a 75 mm diameter shaff at 500 rpm It is proposed that the whole susten be replanned and 80% There power
be transmitted by two identical shafts at 720 rph. The replaced shafts
can be stressed by 80 % exfra stress over the original shaft. Estimate
the suitable diameter.​

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.