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!
Evaluate the concentration of vacancies in copper at 650C temperature. What temperature will be needed to heat treat copper such that the concentration of vacancies produced will be 1000 times more than the equilibrium concentration of vacancies at same temperature? Activation energy of copper is 20,000 cal/mol.
Air at standard temperature and pressure flows through a horizontal galvanized iron pipe at a rate of 4.0 ft3/s. The pressure drop must not exceed 0.75 psi per 100 ft of pipe (and naturally we want to design the most economic pipe). What diameter sho..
What is the composition, in weight percent and atom percent, of an alloy that contains 105.0 kg iron, 20.3 kg of aluminium, and 2.0 kg of copper?
An insulated piston-cylinder assembly containing a fluid has a stirring device operated externally. The piston is frictionless, and the force holding it against the fluid is due to standard atmospheric pressure and a coil spring. The spring constant ..
A piston cylinder device initially contains 0.15-kg steam at 3.5 MPa, superheated by 5 C. Now the steam loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. the ..
If have to do a material selection case study for a rice cooker outer body where can I find the necessary requirement specifications of the material?
For a tall column resting on the ground, axial stress develops due to the columns weight. (a) Derive the stress as a function of position z measured from the bottom of the column, and the total contraction of the column.
A system consists of liquid nitrogen in equilibrium with nitrogen vapor. How many phases are present? The system undergoes a process during which all of the liquid is vaporized. Can the system be viewed as a pure substance during the process? Explain..
A thin walled tube with closed ends has an inside radius of 80mm and a wall thickness of 6 mm. It is subjected to an internal pressure of 20 MPa, a torque of 60 kN*m, and an axial compressive force of 200 kN. Determine the maximum normal stress and t..
Two kilograms of Refrigerant 134a, initially at 200 kPa and occupying a volume of 0.11874 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible.
Diffusion of carbon into BCC iron for 12 hours at a temperature of 5000C results in a carbon concentration of 0.2 wt% at a depth 2 mm from the surface. At what depth would the concentration be 0.2 wt%, if the diffusion occurred for 6 hours at 8000C?
Freshwater is impounded to a height of 11 ft behind a dam as shown. Determine the magnitude and location of the resiltant force on the 4-ft by 4-ft gate.
a gate in the shape of a quarter-cylinder hinged at a and sealed at b is 3 m wide. determine the horizontal and
determine the radius of the crank r and the speed n of a slider crank mechanism used in a shaker table. it is required
determine the allowable current in a 10 gage 2.59 mm diameter copper wire that is insulated with a 1 cm - o.d. layer of
a motorist travels at a constant speed of 34.0 ms through a school zone exceeding the posted speed limit. a policeman
a first-order system is subjected to a harmonic input of 3hz. the system has a time constant of 0.5s. calculate the
water at atmospheric pressure boils on the surface of alarge horizontal copper tube. the heat flux is 90 ofthe critical
at a pumped storage facility water is pumped from a large reservoir to a point 150 feet above the resevoir. how many
steam enters an adiabatic turbine at 5 mpa and 500degc with a mass flow rate of 5 kgs and leaves at 100 kpa. the
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..
a thermoelectric device cools a small refrigerator and discards heat to the surroundings at 25c. the maximum electric
as shown a rope is attached to a l5.00 m high shed that is to be relocated. a man pulls on the end of the rope at point
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: info@expertsmind.com
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd