The total pressure rise in a centrifugal compressor is due to impeller and diffuser action Select one: True False

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when would you use a pressure transducer coupled to an oscilloscope

give the a) A turbine connected to an electric generator through a gearbox can be modelled as illustrated in Figure 1 = 951 kgm² J2 = 950 kgm² equivalent inertias of the rotary system. The shafts provide a stiffness of k1 = 9.9x10¹Nm/Rad k2 = 4.9x106Nm/Rad spectively. The letters in the parameters represent digits of student numbers: A is the third digit, B is the fifth digit, D is the sixth digit, and F is the seventh digit. i) Draw free-body diagrams ii) Write the equations and put them in matrix form iii) Calculate the dynamic stiffness values iv) Find the natural frequencies and draw mode shapes of the system v) Discuss the effect of coupling stiffness k₁₂ on the natural frequencies k₁₁ 01 k12 O Figure Q2.

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Don't copy the wrong solution. A 5.1 cc/rev motor has a volumetric efficiency of 88%. The motor's shaft is turning at 1575 rev/min. What is the flow rate of fluid into the motor inlet port in Liters/min?

Which of the following statements best describe for a typical diatomic molecule of an ideal gas eg. N2 at room temperature (300k)a. the spacing between translational levels is less than KbTb. the spacing between rotational levels is less than KbTc. the spacing between vocational levels is less than KbTd. the spacing between the ground and first excited electronic states is less than kbT.e. all of the abovef. none of the aboveg. the first and third answerh. the first and second answer

The static pressure was 0.8 bar, the total pressure was 1.2 bar and the density was 1.15 kg / m3 with the pitot static pipe used to measure velocity in an airplane. How many km / hour is the speed of the plane?

Suppose that you have designed a portable compressed-air supply system, as shown in the figure below,for filling scuba tanks and for driving pneumatics tools in garages and factories.The system consists of an electric motor, an air compressor, an air tank, a regulator and a pressure-reliefsafety valve.The regulator contains a pressure sensor connected to a power switch. The motor is switched on whenthe tank pressure drops bellow a fixed value and off at a slightly higher pressure. The pressure-reliefvalve is set to open at a higher pressure than the regulator motor off-pressure.Explosion of the tank is clearly a dangerous hazard. Three events are assumed to possibly lead to a tankexplosion:1. an internal tank defect such as poor welding2. an external cause such as a plant vehicle colliding with the tank3. Excess pressure in the tank. The excess pressure can occur only if both the control unit and thepressure-relief valve fail:The pressure sensor might fail to shut oof the motor because…