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A tractor-trailer truck driver friend often delivers to companies that do not have a fork truck or loading dock. She wants to install a lift-gate on her trailer so she can load and unload her truck without a fork truck. The lift-gate has a 5000 lb. lift capacity and a 3 horsepower, 12.0VDC motor that operates the hydraulic pump. The FLA of the motor is 200A. The motor will be located 80 feet from the generator on the engine. The 80 feet of cable length includes the coiled umbilical cord between the cab and the trailer. Because of the high current draw of the motor, the lift-gate cannot be operated by just a battery i.e. the battery voltage is too low. The engine will have to be running so the voltage source is the generator. The generator Vis is 14.4V. The Rs of the generator is 0.0089ohms.
1. Using an appropriately sized copper cable based upon NEC ampacity (HO 15 for 90 C cable), calculate the voltage at the motor.
2. Calculate the source voltage
3. Calculate what standard size copper cable will give us 12.00V at the motor
4. Check your cable size determination
5. Calculate the gross and net power generated by the generator
Fourier transform X(w)=Xreal(w)+j(Xi(w)). Determine and represent the signal y(w) that gives the fourier transform of Y(w)=Xi(w)+Xreal(w)e^exp(j2w).
1. What is the step response equation for charge time 2. How to determine the current in RLC circuit using the osciscope 3. List three reseasons why the measured value and pspice value for tau are different.
Is it possible to interface an IC with a different technology such as TTL to HCS12 ports What are the conditions in terms of electrical parameters that need to be satisfied for this purpose
2.25 kg of a fluid having a volume of 0.1 m^3 are contained in a cylinder at constant pressure of 7 bar. Heat energy is supplied to the fluid until the volume becomes 0.2 m^3. If the initial and final specific enthalpies of the fluid are 210 kj/kg..
A process worker received an electric shock when she attempted to turn off a conveyer control. The toggle switch controlled the power to a variable speed drive. An examination found that dust had accumulated on the toggle switch. Moisture on the ..
A circuits is needed to realize the transfer function \(T_{v}(s)=\pm \frac{(s+125)(s+500)}{(s+250)(s+1000)}\) (a) Design a circuit using two OP AMPs (b) Design a circuit using only one OP AMP.
The system contains a door sensor, a window sensor, and a key activation switch. If the switch is on, opening the window will set off the alarm immediately. Opening the door will start a 30 second timer.
If a third attempt is made within 20 seconds, a waiting period of 20 seconds is required before additional attempts can be made to start the motor. While waiitng to make additional attempts to start the motor.
Suppose that data are stored on a 1.4-Mbyte floppy diskettes that weight 30 g each. Suppose that an airliner carries 10,000 kg of those floppies at a speed of 1000 km/h over a distance of 5000 km. What is the data transmission rate in bits per sec..
Two transmitters send messages through bursts of radio signals to an antenna. During each time slot each transmitter sends a message with probability 1/2. Simultaneous trans- missions result in loss of the messages.
What is the path attenuation between transmitter and receiver at a frequency of 1.2 GHz and a distance of 11,000. Given: f = 1.2GHz d = 11,000 mi. Calculate the path attenuation; dB = 37dB + 20 log f + 20 log d = 37 + 20 log 1.2^9 + 20 log 11,000
A 60-Hz, 765-KV three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors per phase. Determine the 60-Hz resistance of this line in ohms per kilometer per phase at 50 degrees Celsius.
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