Homework Answers
a) Convert the given system to an equivalent force and torque at point A. Write the...
a) Convert the given system to an equivalent force and
torque at point A.
Write the powers / moments as cartesian vectors.
b) Determine the point on the as AB where the torque of the
equivalent system is 0. Enter the distance from point A.
c) Make a Free Body Scheme and determine the forces in A and B at
equilibrium.
P = 130 KN 12 5 13 P, = 40 kn M = 45 kNm 2m B A 4m...
Motor Position Control with Torque Disturbance The following diagram models a motor position control system with...
Motor Position Control with
Torque Disturbance
The following diagram models a
motor position control system with torque disturbance. The motor
transfer function from torque to position (when connected to a
voltage source) is G(s) = 1/s(0.1s + 1).
Problem 5-1: Motor Position Control with Torque Disturbance The following diagram models a motor position control system with torque disturbance. The motor transfer function from torque to position (when connected to a voltage source) is s(0.1s +1) The gain K in this...
Requirement 3. Which job (Job 500 or Job 501) uses more of the company's resources? Explain....
Requirement 3. Which job (Job 500 or Job 501) uses more of the company's resources? Explain. of the company's resources machine hours than the other job. The accounting system should show that one job actually the other Requirement 4. Compute the total amount of overhead alocated to each job if the company uses its current plantwide overhead rate. Job 500 Job 501 Total direct labor hours x Plantwide allocation rate Overhead allocation Choose from any list or enter any number...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs...
Total Cost Concept of Product Pricing
Voice Com, Inc., produces and sells cellular phones. The costs
of producing and selling 6,000 units of cellular phones are as
follows:
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 6,000 units of cellular phones are as follows: Variable costs: Direct materials Fixed costs: Factory overhead $248,600 $ 82 per unit 38 Direct labor Selling and admin. exp. 87,400 Factory overhead Selling...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 6,500 units of cellular phones are as follows: Variable costs: Fixed costs: Direct materials $85 per unit Factory overhead $279,000 Direct labor 39 Selling and admin. exp. 98,000 Factory overhead 26 Selling and admin. exp. 20 $170 per unit Total profit equal to a 14% rate of return on invested assets of $952,710 Voice Com desires Assume that Voice Com,...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 5,000 units of cellular phones are as follows: Variable costs: Fixed costs: Direct materials $ 94 per unit Factory overhead $236,800 Direct labor 43 Selling and admin. exp. 83,200 Factory overhead 28 Selling and admin. exp. 23 Total $188 per unit Voice Com desires a profit equal to a 15% rate of return on invested assets of $638,400. Assume that...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 4,000 units of cellular phones are as follows: Variable costs: Fixed costs: Direct materials $ 74 per unit Factory overhead $148,000 Direct labor 34 Selling and admin. exp. 52,000 Factory overhead 22 Selling and admin. exp. 18 Total $148 per unit Voice Com desires a profit equal to a 16% rate of return on invested assets of $386,100. Assume that...
In the mechanical system represented in Figure 2(a), a motor supplies a torque of 45 kN-m,...
In the mechanical system represented in Figure 2(a), a motor supplies a torque of 45 kN-m, and powers two machines through gears D and E. The torque delivered to gear E is 8 kN-m The two shafts are made of steel, with E200 GPa, G 80 GPa and yield strength of 300 MPa The shaft AB has an outer diameter of 150 mm and an inner diameter of 80 mm; the shaft DCE has an outer diameter of 80 mm...
Problem #3 a) Determine if the next second order system is oscillating, low damped, critically damped...
Problem #3 a) Determine if the next second order system is oscillating, low damped, critically damped or overdamped. Justify your conclusion. G(s)10 s2 +s +1 b) Determine the maximum percentage overdrive (if any) and the set time to the 2% criterion that will have the response to the unit step of the previous system. c) Plot the response to the magnitude 5 step of the G (s) system.
Problem Statement A vapour compression refrigeration system operates between 12 bar and 1.4 bar. The com-...
Problem Statement A vapour compression refrigeration system operates between 12 bar and 1.4 bar. The com- pressor inlet is superheated by 4K. The mass flow rate of the refrigerant (R131a) is 0.5 kg/s and the refrigeration effect is 65 kW. If the condenser inlet is at 70°C, determine the coeffi- cient of performance of the system and the isentropic efficiency of the compressor. Answer Table Value Description Coefficient of performance Compressor isentropic efficiency (%)
a) Convert the given system to an equivalent force and
torque at point A.
Write the powers / moments as cartesian vectors.
b) Determine the point on the as AB where the torque of the
equivalent system is 0. Enter the distance from point A.
c) Make a Free Body Scheme and determine the forces in A and B at
equilibrium.
P = 130 KN 12 5 13 P, = 40 kn M = 45 kNm 2m B A 4m...
Motor Position Control with
Torque Disturbance
The following diagram models a
motor position control system with torque disturbance. The motor
transfer function from torque to position (when connected to a
voltage source) is G(s) = 1/s(0.1s + 1).
Problem 5-1: Motor Position Control with Torque Disturbance The following diagram models a motor position control system with torque disturbance. The motor transfer function from torque to position (when connected to a voltage source) is s(0.1s +1) The gain K in this...
Requirement 3. Which job (Job 500 or Job 501) uses more of the company's resources? Explain. of the company's resources machine hours than the other job. The accounting system should show that one job actually the other Requirement 4. Compute the total amount of overhead alocated to each job if the company uses its current plantwide overhead rate. Job 500 Job 501 Total direct labor hours x Plantwide allocation rate Overhead allocation Choose from any list or enter any number...
Total Cost Concept of Product Pricing
Voice Com, Inc., produces and sells cellular phones. The costs
of producing and selling 6,000 units of cellular phones are as
follows:
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 6,000 units of cellular phones are as follows: Variable costs: Direct materials Fixed costs: Factory overhead $248,600 $ 82 per unit 38 Direct labor Selling and admin. exp. 87,400 Factory overhead Selling...
Total Cost Concept of Product Pricing Voice Com, Inc., produces and sells cellular phones. The costs of producing and selling 6,500 units of cellular phones are as follows: Variable costs: Fixed costs: Direct materials $85 per unit Factory overhead $279,000 Direct labor 39 Selling and admin. exp. 98,000 Factory overhead 26 Selling and admin. exp. 20 $170 per unit Total profit equal to a 14% rate of return on invested assets of $952,710 Voice Com desires Assume that Voice Com,...
In the mechanical system represented in Figure 2(a), a motor supplies a torque of 45 kN-m, and powers two machines through gears D and E. The torque delivered to gear E is 8 kN-m The two shafts are made of steel, with E200 GPa, G 80 GPa and yield strength of 300 MPa The shaft AB has an outer diameter of 150 mm and an inner diameter of 80 mm; the shaft DCE has an outer diameter of 80 mm...
Problem #3 a) Determine if the next second order system is oscillating, low damped, critically damped or overdamped. Justify your conclusion. G(s)10 s2 +s +1 b) Determine the maximum percentage overdrive (if any) and the set time to the 2% criterion that will have the response to the unit step of the previous system. c) Plot the response to the magnitude 5 step of the G (s) system.
Problem Statement A vapour compression refrigeration system operates between 12 bar and 1.4 bar. The com- pressor inlet is superheated by 4K. The mass flow rate of the refrigerant (R131a) is 0.5 kg/s and the refrigeration effect is 65 kW. If the condenser inlet is at 70°C, determine the coeffi- cient of performance of the system and the isentropic efficiency of the compressor. Answer Table Value Description Coefficient of performance Compressor isentropic efficiency (%)
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