Physics, 06.10.2019 09:02 thechef129

For a particular casting setup, the top of the sprue has a diameter of 0.030 m, and its length is 0.200 m. the volume flow rate of metal into the mold is 0.03 m3 /min. what is the resultant velocity at the bottom of the sprue? also, what diameter should be specified at the bottom of the sprue to prevent air aspiration? what is the reynolds number at the bottom of the sprue. is the flow laminar or turbulent? assume the pressure at the top and bottom of the sprue is atmospheric pressure. viscosity of the metal used is 0.004 n. s / m2. density of the metal is 2700 kg/ m3 .

Answers: 3

Show answers

Another question on Physics

Physics, 22.06.2019 05:30

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

Answers: 2

Answer

Physics, 22.06.2019 12:20

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Answers: 2

Answer

Physics, 22.06.2019 15:30

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

Answers: 2

Answer

Physics, 22.06.2019 18:30

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Answers: 2

Answer

You know the right answer?

For a particular casting setup, the top of the sprue has a diameter of 0.030 m, and its length is 0....

Questions