Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A concentric tube heat exchanger for cooling lubricating oil is comprised of a thin-walled inner tube of 25-mm diameter carrying water and an outer tube of 45-mm diameter carrying the oil. The exchanger operates in counter flow with an overall heat transfer coefficient of 60 W/m2 · K and the tabulated average properties.
(a) If the outlet temperature of the oil is 60°C, determine the total heat transfer and the outlet temperature of the water.
(b) Determine the length required for the heal exchanger.
Use the bisection method to determine the drag coefficient (cd) needed so that a 80 kg bunjee jumper has a velocity of 36 m/s after 4 s of free fall.
a specimen of magnesium having a rectangular cross section of dimensions 3.2 mm 19.1 mm 1818 in. 3434in. is deformed in
The compound system in the sketch below contains a gas (Cv0 = 2.5 mR) on both sides of an internal wall. As heat is transferred across the wall, the piston moves to the right until the gases obtain thermal equilibrium at T2. During this process the s..
A piston cylinder device initially contains .056 m3 of nitrogen gas at 150 kpa and 105 c. the nitrogen is now expanded to a pressure of 90 kpa poly tropically with a polytropic exponent whose value is equal to the specific heat ratio (called isentrop..
An air-standard Otto cycle has a compression ratio of 6. At the beginning of compression, the pressure is 100 kPa and the temperature is 300 K. During the heating process, the temperature is raised to 2500 K. Assume that the cold air-standard assumpt..
If the maximum temperature in the cycle is not to exceed 2200 K, determine the thermal efficiency and the mean effective pressure.
A meteorologist uses a pitot -static tube to measure the wind speed in a tornado. Based on the damage caused by the storm, the tornado is rated as EF5 on the enhanced Fujita Scale. This means that the wind speed is estimated to be in the range of 261..
a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to
air is considered as an ideal gas. dont use gas table for gas properties just assume that both cv and cp are constants.
A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 4 MPa. Now the valve is opened, and steam is allowed to flow into the tank until the pressure reaches 4 MPa, at which point the va..
2.5 kg of h2o is contained in a piston-cylinder assembly initially at a pressure of 1.5 bar and a volume of 1.5m3. the
the required cross-sectional area of cables in a cable-stayed bridge can be estimated by keeping cable stress just at
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd