HW01_Sol - volume. 4. A steel tank of cross sectional area...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
ME 3513 – Thermodynamics I Solutions to Homework Assignment # 1 – Basic Concepts and Definitions 1. An electric dip heater is put into a cup of water and heats it from 20 ºC to 80 ºC. Show the energy flow(s) and storage and explain what changes. 2. A pressurized steel bottle is charged with 5 kg of oxygen gas and 7 kg of nitrogen gas. How many kmoles are in the bottle?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
3. A 1 m3 container is filled with 400 kg of granite stone, 200 kg dry sand and 0.2 m3 of liquid 25°C water. Use properties from tables A.3 and A.4 in the textbook and use air density of 1.1 kg/m3. Find the average specific volume and density of the 1 m3
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: volume. 4. A steel tank of cross sectional area 3 m2 and 16 m tall weighs 10 000 kg and it is open at the top. We want to float it in the ocean so it sticks 10 m straight down by pouring concrete into the bottom of it. How much concrete should I put in? 5. The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground level. How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 450 ft above ground? 16 ft 450 ft...
View Full Document

This homework help was uploaded on 04/18/2008 for the course ME 3513 taught by Professor Felicelli during the Fall '04 term at Mississippi State.

Page1 / 4

HW01_Sol - volume. 4. A steel tank of cross sectional area...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online