Find the rotation velocity of lead screw n and the velocity of liquid in syringe needle if the required injection dose is 1. 10 cm³ in 3 hours (continuous injection)
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- ANSWER this, please.With the formula derived and the conditions applied in problem statement # 1, calculate for the heavier liquidoverflow leg, the diameter, and the volume of the tank in separating liquid B from liquid A having densities of 1278kg/m3 and 794 kg/m3, respectively. The volumetric flow rate of the mixture entering the tank is 30 m3/hr and the viscosity of the lighter liquid (continuous phase) is the same as the viscosity of water @ 35oC. Volume of heavier liquid is twice the volume of the lighter liquid and having a tank diameter to height as 1:2 ratio. Assume for 10% from the tank volume allotted for the vapor space having a pressure of 50 kPa. REFERENCE: (problem 1) Derive a formula to calculate for the height, ZC of the heavier liquid overflow leg in a continuous vertical cylindrical decanter. The pressure at the discharge point of the heavier liquid is given as 90% of the pressure on top of the fluid mixture. Express the height of the heavier liquid as ZB and the…If the calculated mass flow rate of petrol fuel is 9.25 x 10-5 kg/s, what is the time taken for the 10 mL of petrol fuel been supplied into the engine? Note that the calorific value and density of the petrol fuel are 43 MJ/kg and 712 kg/m3 respectively.Problem 1)The velocity of the water at the entrance and exit of a pipe are 10 m/s and 3 m/s, respectively. The volume of water flowing inside the tube is 18000 m^3 . What is the kinetic energy of the water measured at the exit of the pipe? If the exit of the pipe in problem 1 is located at the ground level, what is the elevation of the pipe inlet if all the potential energy is converted to the kinetic energy in problem 1? include the diagram.
- 1.In the cylinder of an air motor, the compressed air at the beginning of an expansion cycle has an internal energy of 500 kJ/kg and after expansion an internal energy of 150 kJ/kg. Calculate the heat flow from or to the system, when the work done by the air during expansion is 200 kJ/kg 2. The heat loss in a certain non-flow process is 785 kJ. The internal energy increases by 522 kJ. How much work is being done? 3. In the compression stroke of an internal combustion engine the heat rejected to the cooling water is 45 kJ/kg and the work input is 90 kJ/kg. Calculate the change in specific internal energy of the working fluid stating whether it is a gain or a loss. 4.A cylinder with a simple spring return effect is performing compression work connected to an air network of 1.1 MPa pressure. If the diameter of the plunger is 12 cm, its stroke 4 cm and the friction force can be considered 15% of the theoretical, it is requested: a) What will be the force exerted by the stem at the beginning of the work cycle (the spring is in its natural length)? b) What will be the force at the end of the race, if the spring constant is 120 N/cm? c) What will be the air consumption under normal conditions, if you perform 10 cycles per minute?A two-blade wind turbine is exposed to 60 mile/h wind. Downstream of the propeller the wind speed is 45 mile/h. The propeller has a diameter of 45 ft. Assume ideal gas and standard condition for air to find a) the thrust on the wind turbine, b) the power delivered to the wind turbine, c) the maximum power extracted by the wind turbine, d) the maximum efficiency obtained from this wind turbine.
- Tractor mounted sprayer having 14 nozzles 60 cm apart is moving at a forward speed of 35 km/h. The chemical mixed with water is to be applied at the rate of 75 lit /ha, at pressure of 500 kPa calculate the following-a) The rate of spray per nozzle in litminb) Pump efficiency if liquid lost in the system is 10%.c) Horsepower of engine if the pump and Power required for agitating the water 1/10th of rated power of engine c) height of Spray from the ground if the spray angle is 60 degrees & each nozzle should Spray 25 % more than nozzle SpacingFor the purpose of acting as an air-cooled water chiller, an ammonia refrigerant vapor compression system is deployed. It is functioning with an evaporator temperature of 0 degrees Celsius and a condenser temperature of 40 degrees Celsius. The refrigeration produced by the system is equal to 15 tons.Find out: a. The temperature of the discharge and the mass flow rate of the refrigerant that is being circulated.b. The piston displacement that can be considered theoretical for the compressor.c. The work that can be done by the theoretical compressor.d. The heat that is not allowed to escape through the condenser.e. The Carnot coefficient of performance and the actual COP of the cycle.f. The volume of air that is supplied in the condenser if the air comes in at 30 degrees Celsius and exits at 34 degrees Celsius.g. The LMTD and AMTD of the condenser h. The water flow rate of the chiller assuming that the water enters the evaporator at 10 degrees Celsius and exits at 5 degrees Celsiusi. The…A washing machine is supplied with hot and cold water from two different supplies. Draw the bock the diagram of a process control that controls the hot water flow Q? and the cold water flow Q? to adjust the water temperature as the machine user specify? and define each block? Note: pressure controlled pneumatic actuator is used as a valve.
- 1.) A Pelton wheel with a needle-controlled nozzle develops 1 050 kW against a gross head of 300 m. The loss of head due to friction in the pipeline and the nozzle is 60 xV. where is the flow rate in m³/s. Assuming that the overall efficiency of the wheel remains constant at 83%, determine the percentage reduction in flow rate required when the power developed is reduced to 710 kW by closing a valve on the pipeline partially.It is desired to meet the fresh air and heating needs of the 120-person lecture hall of the Faculty of Engineering with a ventilation plant. The angle of separation of the secondary channel from the main channel is 50°. Calculate the required fresh air flow, economic heat. Air per person = 20 m3/h, Cp = 0.24 kcal/kg°C, Density = 1.15 kg/m3 Determine the values not given by yourself in accordance with engineering standards.This is from Chapter 10 of Sustainable Energy second edition by Richard Dunlap Two locations have the same average wind velocity. Location A has a constant wind velocity of 10 m/s, while Location B has a wind velocity of 5 m/s for 12 hours per day and a wind velocity of 15 m/s for 12 hours per day. Compare the total energy produced per day for identical wind turbines at the two locations. The energy is given by the formula E = 0.5*(air density)*(efficiency)*velocity^3*(Turbine area)*time. Keep the answer in terms of (efficiency)*(Area). **Also is v average velocity or regular, non-average velocity?***