Engineering, 04.09.2019 17:30 Jasten
Two long copper rods of diameter d 10 mm are soldered together end to end, with solder having a melting point of 650 c. the rods are in air at 25 c with a convection coefficient of 10 w/m2 k. what is the minimum power input needed to effect the soldering?
Answers: 1
Another question on Engineering
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
Engineering, 04.07.2019 18:10
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
Answers: 3
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
You know the right answer?
Two long copper rods of diameter d 10 mm are soldered together end to end, with solder having a melt...
Questions
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
English, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Geography, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
Mathematics, 27.04.2021 19:40
History, 27.04.2021 19:40
Physics, 27.04.2021 19:40
