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Mass of the balloon fabric may be neglected. Determine the required balloon volume if The balloon is filled with hot air at 400 K.
At a surface cutting speed of 190 m/min the productive tool life was 60 minutes. Assuming that Taylor's Tool Life Equation applies calculate the constants 'n' and C.
Network analysis, need answer for q1,q2 and q10 asap in one hour
how much higher the momentum will raise the person if the water is shut off at the moment the platform reaches 10 m above the ground. How much time would the person have to jump off the platform ont
The 8 kg sack slides down the smooth ramp. if it has a speed of 1.5m/s when y=.2m. Determine the normal reaction the ramp exerts and the rate of increase in the speed of the sack at this instant. y
Determine the cost of the power required, incents per liter of water delivered. Compare with the cost ofwater , assuming 0.05 centers per liter, andcomment.
Given the following data, find the straight-line equation using the least square method. Find the standard error.
Argon enters a compressor at steady state flow rate of 1 kg/s with pressure P_1=1 bar. Find temperature at the compressor exit for isentropic operation T_2s (in degrees C)
Consider two types of steady-state expansion/throttling devices for ammonia. Draw the actual process for valve & turbine on T-s diagram
What equal monthly invesmet is required over a 50 year period to achieve a balance of $2600000 in an investment account that payes monthly interest of 3/4 percent?
If money is worth 6% compounded annually to you, then you should prefer to receive $1750 per year for 5 years than to receive $ 1000 per year for 10 years, assuming first receipt occurs one year fr
A 2 cm horizontal jet of water with a velocity of 15 m/s is spraying onto a vertical plate attached to a cart moving opposite the direction of the water jet at 8 m/s. Determine Force required to kee
Determine how long it will take for the system to rise 10 m when the water jet velocity is 15 m/s and the velocity of the system at that moment
The reynold's number for the flow is 40. Determine the flow rate per unit width, the width of the plates and the maximum velocity between the plates.
The distance between the points is 1000m. The diameter of the pipe is 0.25 m. Determine the flow rate in the pipe and the reynold's number.
Determine the dimentionless parameters that characterize the average velocity of the flow in a smooth pipeline, if the average velocity depends on the dynamic viscosity
The model pump has am impeller diameter of 10 cm and a rotation speed of 1800 rpm. For a flow rate of 20L/s, the pump head was 3 m. The water was at 20c. For the prototype, determine the flow rate,
If the copper sphere is initially at 1000K, perform an energy balance on the sphere in order to write a differential equation describing the rate of change of temperature with time of the sphere.
When subjected to the axial load P, the diameter of the rod decreases by 0.032 mm. Determine the magnitude of load P.
Using these calculated values what would the required cutting surface be if a tool productive life of 30 minutes was required. Calculate the required spindle speed and feed rate mm/min.
Determine the maximum theoretical power that can be developed by the turbine, in kW, and the corressponding exit temperature.
If heat transfer from the heat exchanger to its surroundings is 10% of the energy required to increase the temperature of the oil, determine the steam mass flow rate, in kg/s.
A cylindrical pressure vessel with outside diameter 8 inches and thickness ¼ inch is expected to hold pressures of 5000 psi.
The inlet and outlet diametersof the nozzle are20 mm and10 mm respectively. Determine the mass flow rate of steam through the nozzle and inlet and outlet velocities.