What is the velocity of the steel at the bottom of the sprue

Home » Materials Science and Manufacturing Engineering » Materials Science and Manufacturing Engineering Miscellaneous » Question

What is the velocity of the steel at the bottom of the sprue if the sprue height is 30 cm? Assume the frictional and other losses to be 20%.

1. 4.17 m/s
2. 1.17 m/s
3. 2.17 m/s
4. 3.17 m/s

Correct Option: C

V = √2gh × 0.8
= √2 × 9.81 × 0.3 × 0.8
= 2.17 m/s