![Engineering](/tpl/images/cats/User.png)
Engineering, 09.09.2020 18:01, fastpitchhailey1354
What is the difference between logical data independence and physical data independence?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Engineering
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, oliviasoreo92
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, jojoangelique13
The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m
Answers: 2
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20, krojas015
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20, esmemaluma00
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
Do you know the correct answer?
What is the difference between logical data independence and physical data independence?...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 18:01
![Konu](/tpl/images/cats/geografiya.png)
Geography, 20.09.2020 18:01
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)