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- Two models of controlling boards. The 1* type has high specification for work from the 2nd type. The better type has a profit of 50$ and the other 40$ per board. The 1st type of boards requiring five as much as the 2nd needs for production and the total production are 2000 boards, the first model requires 400 min to be complete and 700 min to the second model. Write this expression with LP equations to have the maximum profit with production of each model.T(t) 0(t) K = 5 N-m/rad D Given the system shown, if the value of D is 1.04 N-m-s/rad, then the value of J that yield 10% overshoot is: Select one: O a. None of the mentioned answers O b. 0.065 O c. 0.619 O d. 0.155A control loop contains _______, _______, and _________.
- 2) The following heating system for a room is considered: ATroom = K1 | Qodt, Qo = Qin - Qout Qout = K2AT,0om room Qin = K3(ATrad – ATr00m) where AT is the room temperature and AT is the radiator temperature. What is room rad the stationary room temperature, if the radiator temperature is 50C and if K1 = 104, K2 = 4, and K3 = 1? A. 40°C В. 20°C С. 10°C D. 30°C Е. None of the previous answers are correct.What is the reliability of the system shown? Rs' .17.10 .99 .98 .90 Rp .99 .98 .90 Rs2antuitive methodology (seize and fox) noting they will be different. olowing cases, find the degrees-of-freedom using KMOGE (Identify L. h. Jz and M) and using the em 3: KMOGE has conditions under which it simply produces the wrong answer. In each of the A. L= Mseize and Fix B L = MKMOGE = Mseize and Fix J = MEMOGE Msetze and Fix
- q4 From the following identify the true statement relating to the term Predictive maintenance The maintenance on machines to determine the actual time to failure and cannot improve the quality of the product. The maintenance on machines not to determine the actual time to failure and can improve the quality of the product. The maintenance on machines to determine the actual time to failure and can improve the quality of the product. The maintenance on machines not to determine the actual time to failure and cannot improve the quality of the product.1) An electric motor’s torque is a function of the speed at which it rotates. Many brushed AC motors have a linear toque curve as shown below. If the power output of the motor is equal to the torque (T) multiplied by the rotational speed in rad/s (w), what is the maximum power you can get out of the motor if the stall torque (Tstall) is 0.001 Nm and the no load speed (wno load) of 10,500 RPM? Give answer in Watts.Task 4: - a) Consider a flat plate clutch with maximum pressure of 50 KPa, outside diameter of 30 cm and inside diameter of 20 cm. Calculate the operating force assuming uniform wear and uniform pressure. JFD 0.5 - Uniform pressure Uniform wear 0.5 1 b) The figure below shows the dimensionless plot for flat plate clutches comparing uniform wear and uniform pressure cases, where Tis the torque, Fis the force, f is the friction factor, D is the outside diameter and d is the inside diameter. Generate a similar plot for conical clutches taking into account the cone angle.
- Problem Solving. Solve the following problems completely. 5. Motors from two different manufacturers are being considered for application.Both motors are 50Hp, 460 volts, 3 phase, 60 cycles. Motor A operates at 80%efficiency and motor B operates at 89% efficiency. The expected need for themotor is 15 years. Motor A cost P120, 000.00 and motor B P150, 000.00.Electrical energy cost P8.00 per Kw-Hr and the motors will be operating 8 hoursper day, 250 days a year. Assume taxes and insurance are 3% of first cost. Whichmotor should be purchased?An electric motor's torque is a function of the speed at which it rotates. Many brushed AC motors have a linear toque curve as shown below. If the power output of the motor is equal to the torque (T) multiplied by the rotational speed in rad/s (w), what is the maximum power you can get out of the motor if the stall torque (Tstall) is 0.001 Nm and the no load speed (wno load) of 14,332 RPM? Give your answer in Watts. There are two ways to solve this: Use a stall torque and no load speed and plot the torque profile below and then plot the power versus rotational speed to find the maximum. The second method is to determine the mathematical relationship for power given the information at the start of the question and set the differential of power with respect to RPM equal to zero, and solve for the RPM to get the maximum. Tstall Wno load WQ4: what is the difference between Wn and Wd?