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One hundred moles per minute of a 50 mol% n-hexane/50 mol% n-pentane liquid mixture at 85 oC and 6 atm is fed to an evaporator.
Looking for a brief theory on touch voltage, step voltage and ground potential rise (GPR). Should include graphical representation and relevant equations to help in understanding?
A long wire of diameter D = 1mm is submerged in an oil bath of temperature T∞ = 25°C. The wire has an electrical resistance per unit length of R'e = 0.01 ?/m.
What causes the current gain to decrease both in the case of a low collector current and at a high collector current? Why does breakdown occur at a lower voltage in the reverse case than in the forwar
The probability that the student answers correctly on the second try given that he answered incorrectly on the first try is 0.3. Find the probability that the student answers the question on the first
You apply a constant force F? =(-68.0N)i^+(36.0N)j^ to a 420kg car as the car travels 49.0m in a direction that is 240.0 ° counterclockwise from the +x-axis.
A viscous incompressible newtonian fluid flows down a vertical wall. the liquid is exposed to atmospheric pressure and the liquid film thickness h is constant.
An electrical transformer dissipates heat equivalent of 3000 kW/h. the inlet and outlet temperatures of the cooling water are 55C and 15C respectively. calculate the mass of the cooling water in
Mechanical engineering questions ,statics ,propability,weibull chart requiring> I need help in those field please, there are some questions related to the probability.
You, an owner of several popular Chinese restaurants in downtown San Francisco with approximately 120 employees, used to generate lots of profits from these restaurants. Your restaurants offer n
Determine the normal reactions on both the car's front and rear wheels and the trailer's wheel if the driver applies the car's rear brakes C and causes the car to skid.
In the presentation, "IT and Smart Grid" the presenter, Dr. Peter Will, provided several definitions of "smart-grid". Provide your definition of smart-grid the way you understand it. What are s
A gate is 0.5 m wide and 0.6 m tall, and is hinged at the bottom. On one side the gate holds back a 0.5-m deep body of water. On the other side, a 10-cm diameter water jet hits the gate at a
Give an intuitive explanation of why the maximum throughput, for small beta, is approximately the same for CSMA slotted Aloha and FCFS splitting with CSMA. Show the optimal expected number of pa
Assume that a receiver has first amplifier stage with a 5k ohms input resistance, a power gain of 300, an input audio signal of 20uV, and an operating temperature of 27 Celsius. When the amplifi
If I have a resistor that is 10 Ohms and has a voltage drop of 4.2 V, how much current is flowing through the resistor? how do I calculate this? what formula do I use?
A tensile specimen of cartridge brass sheet has a cross section of 0.320 in. × 0.120 in. and a gage length of 2.00 in. Calculate the engineering strain that occurred during a test if the distanc
What would be the wire diameter of the torsion spring made of oil temperd steel with arm length of 100mm,load from axis of spring 75 mm,load 75kgs,coil diameter 22mm,no.of coil any.
In an ideal vapor compression refrigeration cycle using R-134a, the adiabatic capillary tube drops the pressure from 1.4 MPa to the evaporate level. Its inlet is saturated liquid.
Determine the entropy production in each component. Assume a boundary temperature of 50°F on the cold side and Thigh on the hot side. Note that if each component is possible, then the
An alpha particle with kinetic energy 15.0MeV makes a collision with lead nucleus, but it is not "aimed" at the center of the lead nucleus, and has an initial nonzero angular momentum (with respe
A 10-cm outside diameter by 6-cm inside diameter steam line made of steel (k=14 W/m c) delivers superheated steam at 1000 C. the line is wrapped with 10 cm of insulation (k=0.16 W/m C) .
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 2
What radius of sphere will give the most volume of ice cream inside the cone (as opposed to above the cone) for a cone of base angle 30 degrees? What percent of this sphere of most volume lies in
A medium grade fuel oil, relative density 0.861, is to be pumped up to a storage tank. the level of oil in the tank is 24.38 m above the pump. the gauge pressure at the pump inlet is 13.79 kPa and the