Answered: 3 An electrical current of 700 A flows… | bartleby
(b) If a very thin coating of electrical insulation is applied to the cable, with a contact resistance of 0.02 m² K/W, what are the insulation and cable surface temperatures? (c) There is some concern about the ability of the insula- tion to withstand elevated temperatures.
Answered: As shown in Figure (right), air enters… | bartleby
Insulation- Air T₁=25°C P₁ = 100 kPa (AV)₁=2 = 23 m²/h -Electrical resistor As shown in Figure (right), air enters a pipe at 25°C, 100 kPa with a volumetric flow rate of 23 m³/h. On the outer pipe surface is an electrical resistor covered with insulation.
Electrical Installations - bartleby
Electrical installation is the process of installing wires or cables and related devices in a building structure. Along with electrical wires, an electrical installation includes installing equipment such as switches, distribution boards, lights, electrical panels, and other components. The electrical installation is carried out by an electrician.
Answered: air enters a pipe at 25 °C, 100 kPa… | bartleby
On the outer pipe surface is an electrical resistor covered with insulation. With a voltage of 120 V, the resistor draws a current of 4 amps. Assuming the ideal gas model with c p = 1.005 kJ/kg - K for air and ignoring kinetic and potential energy effects, determine i. the mass flow rate of the air, in kg/h ii. the temperature of the air at the ...
Answered: 5- A 1 mm diameter electric wire is… | bartleby
5- A 1 mm diameter electric wire is covered with 2 mm thick layer of insulation (k 0.5 W/mK). Air surrounding the wire is at 25°C and h 25 W/m2.K. The wire temperature is 100°C. Find for Im length: (i) The rate of heat dissipation from the wire per unit length with and without insulation. (ii) The critical radius of insulation.
Answered: air enters a pipe at 25 °C, 100 kPa… | bartleby
On the outer pipe surface is an electrical resistor covered with insulation. With a voltage of 120 V, the resistor draws a current of 4 amps. Assuming the ideal gas model with cp = 1.005 kJ/kg - K for air and ignoring kinetic and potential energy effects, determine i. the mass flow rate of the air, in kg/h ii. the temperature of the air at the ...
Answered: Problem-Based Learning (PBL) Scenario… | bartleby
The first row has been completed as an example. Property Difficult, manual circuit design Continuous valued signals Tolerant of electrical noise Circuit state tends to leak Intolerant of component variations Digital/Analog Analog ii. In older cars the timing of the electrical pulses to the spark plugs was controlled by a mechanical distributor.
Answered: = Consider a long resistance wire of… | bartleby
The convection heat transfer coefficient outside the insulation surface is 50 W / (m² K). The thermal conductivity of steel is 54 W / (m K), and the thermal conductivity of the insulation is 0.04 W / (m K). Count; a. Heat loss per meter of pipe = Answer watt. b. Temperature between steel pipe and insulation. = Answer ° C.
Answered: A 0.083-in-diameter electrical wire at… | bartleby
A 0.083-in-diameter electrical wire at 90°F is covered by 0.02-in-thick plastic insulation (k = 0.075 Btu/ h·ft·°F). The wire is exposed to a medium at 50°F, with a combined convection and radiation heat transfer coefficient of 2.5 Btu/h·ft2·°F. Determine if the plastic insulation on the wire will increase or decrease heat transfer from the
List the proper trade size of electrical metallic tubing for the ...
100% for correct answers. A CT-impulse training sampling and reconstruction system is shown in the figure. The forms / parameters of individual signals and systems are specified as follows. p(t) Ideal Low Pass Filter ☑ x(t) xp(t) H(jw) xr(t) The impulse train is represented by p(t) = sampling period. = Σn (t-nT), where n is an integer, and T is • • The Fourier transforms of the input ...