In the following figure, If Q=0.00594 m/s, what is the output power delivered by the 100% efficient motor.
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- A vehicle moving horizontally gets a load of wind resistance acting in the opposite direction to the vehicle's motion F M cv? v is the horizontal speed of the vehicle. F is the thrust that comes from the vehicle engine c damping coefficient for wind resistance force (c =0.20 N.sec2/m2) M is the mass of the vehicle (M = 1000 kg) Using Newton's 2nd law, we get the equation of motion dv 1000- + 0,2 v² = F dt At steady state the speed of the car is vo = 30 m/s and thrust F, = 0.2 v3 = 180 N. If the car is moving at a speed around steady state v = vo + dv = 180 and F = F, + 8F, derive a linear differential equation connecting d(dv) ,8v and SF. dtWhich type of clutch/brake is depicted in the figure below? 10⁰ O A. Internal expanding rim clutch/brake O B. External contracting rim clutch/brake OC. Band-type clutch/brake O D. Axial clutch/brake OE. None of the above1. calculate various angles and support reactions. 2. Using method of joints, calculate the forces in each member of the truss. 3. Tabulate the Voolves of forces in a table.
- What is the power output of a motor that provides a torque of 2,917 N*m while running at 2,641 rpm? Provide your answer in kW and round to the nearest whole number.A motor drives four loads, two have rotational motion and two have translational motion. The momentof inertia of the motor is 1.2kg-m^2. The motor runs at a speed of 1000rpm. The table below shows thedetails of the four loads. Calculate the power developed by the motor. (Load ;Type of Motion; Speed; Inertia / Mass; Torque / Force) 1; Rotational; 200 rpm; 7 kg-m^2; 10 N-m 2; Rotational; 200 rpm; 5 kg-m^2; 6 N-m 3; Translational; 10 m/s; 10 kg; 20 N4; Translational; 10 m/s; 20 kg; 30 NProblem 2 Six years ago, an 80-kW diesel-electric set cost $160,000. The cost index for this class of equipment six years ago was 187 and is now 194. The plant engineering staff was considering a 120-kW unit of the same general design to power a small isolated plant that would have cost $211,707. Based on the information above the plant engineering staff is considering a 100-kW unit of the same general design to power a small isolated plant. Assume we want to add a pre- compressor, which (when isolated and estimated separately) currently costs $13,000. Determine the total cost of the 100-kW unit.
- The motor Mis used to hoist the 600-kg elevator upward with a constant velocity = 8 m/sas shown in (Figure 1). igure 10t1 > If the motor draws 60 kW of electrical power, determine the motor's efficiency. Neglect the mass of the pulleys and cable. Express your answer using three significant figures. V Submit Provide Feedback equaat Antwer te Parl A keyboard shortcuts for Part A help for Part Athe figure shows a motor driving a two-output transmission system. The blower requires a certain amount of force to operate since the drum rotates at an angular acceleration of 0.03 rad/s2. Determine the torque produced by a motor with a torque of 700 Nm and a speed of 1,600 rpm. following:- The power produced at the drum (P). The torque requirement for the blower to operate (Tblower) and power generation (Pblower) The overall efficiency transmission of the gear system, hO. If the speed of motor is NOT given, explain without calculation how the overall efficiency transmission of the gear system can be obtained. Given:- Number of gear teeth, t:- t1=40 ; t2=200 ; t3=50 ; t4=200 ; t5=40 ; t6=120 ; t7=60 and t8=120 Equivalent mass moment of inertia, Ieq:- Imotor,5=25 kgm2 ; I23=10 kgm2 ; Iblower,4=15 kgm2 ; I67=20 kgm2 and Idrum,8=60 kgm2 Friction torque in bearing, Fb:- A=F=25 Nm ; I=J =20 Nm ; B=C=G=H=5 Nm and D=E=10 Nm Efficiency of all gear mesh, ⴄ=85%10-8 2n 2 pdpdo 2n 2 1 V = 4TEO Psds Ir-r'l 30 pdpdo 37 10 4 36 = 49.7 V 4 + p² 4+p2
- 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 Q2.1) A 100-V shunt motor is developing 6 hp while operating at an overall efficiency of 86%. The armature and shunt field resistances are 0.06 and 50 ohms respectively. Determine the stray power losses. 2) The field and armature resistance of a 400 V shunt motor are 200 ohms and 0.1 ohms, respectively. The motor takes 30 A of current while running at 1000 rpm. If the frictional losses are 400 W, determine the motor efficiency. 3) In a brake test of an elevator door, the ammeter and voltmeter measuring the input read 34 A at 220 V. The speed of the motor is found to be 910 rpm and the balance on the 0.61 m brake arm reads 11.9 kg. The dead weight of the arm is found to be 1.09 kg. What is the hp output of the motor?In a given DC motor, the output power is 45 HP, and the copper losses are 2.005 KW. If the rotational losses is one tenth of the output power, find the converted power and the efficiency of the motor. Select one: O a. None O b. Pcony = 33.57 KW and % efficiency = 89.2 % %3D O C. Pcony = 39 KW and % efficiency = 75.8 % O d. Peony = 36.927 KW and % efficiency = 86.2 %. !! n dunlay I AP-wound armature which