14. Electrical system 230/400 V use IEC 01 power cable. Wiring in the pipe line for...
14. Electrical system 230/400 V use IEC 01 power
cable. Wiring in the pipe line for a distance of 200 m. Load 180 A.
Limit the pressure drop to not more than 2%. How much electricity
is required?
1)Wiring in the air
2) Wiring in metal pipes
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14. Electrical system 230/400 V use IEC 01 power
cable. Wiring in the pipe line for...
2- The Electrical System Unit 14 14.5 Premises Ground-Fault Current Path 14.8 Conductor Power Los Metal...
2- The Electrical System Unit 14 14.5 Premises Ground-Fault Current Path 14.8 Conductor Power Los Metal parts of premises wiring must be bonded to a low medance path designed so that the circuit protection device will quickly open and clear a ground fault 12 Conductor poner losses are directly proporional tl le lengh of the conaco and the areofthe cnrt duce the line- aused by the current is doubled, the power loss will be increased by a) True -percent al...
1. A renewable energy system delivers 120 kW of three-phase power at 400 V (line-line) to...
1. A renewable energy system delivers 120 kW of three-phase power at 400 V (line-line) to a load with a 0.9 lagging power factor. If each power line has a resistance of R = 0.03 Ω and reactance of X = 0.04 Ω, determine the sending end voltage (line-line) of the three-phase power line connected to the renewable energy system for supplying power to the load. 2. A network service operator found that the voltage rise in a network due...
they are true and false questions. 1. A power line is shown on a plot plan...
they are true and false questions.
1. A power line is shown on a plot plan using two continuous lines. F 2. A lateral electrical service is run from a pole to a dwelling. F 3. The minimum size service-entrance conductor for a dwelling is #6. F 4. The minimum size branch circuit for a dwelling is 20 A. F 5. EMT must be supported every 10' and within 3' of each outlet box, junction box, cabinet, or fiting. F...
pleas help me in this do any question you know using National Electrical Code 2011 Applied Electricity NEC...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
System Model: Automotive Air Conditioning System Outside Air Temp: 45 oC Car Interior Air Temp: 22...
System Model: Automotive Air Conditioning System Outside Air Temp: 45 oC Car Interior Air Temp: 22 oC Heat Load = 4.2 kJ/sec rate at which heat must go in to the air conditioner to be removed from the car’s interior Refrigerant: R134a HINT: Heat enters an air conditioning system where? Refrigerant 134a … - leaves the evaporator coil and enters the compressor as a saturated vapor at the evaporator pressure of 2.8 bars. - It leaves the compressor at...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C)...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C) Megatron Inductor E) Transformer D) 23) Convert 6.8 x 10-5 W to the closest standard metric prefix. A) 68 °W B) 0.68 uW C) 680 uW D) 6.8 uw 24) Convert 3.95 x 10-4 A to the closest standard metric prefix. A) 3.95 mA 39.5 mA 0.395 mA D 395 mA Convert the following: 25) 2 x 10-3 Amp = A) 2 microamps 2...
find v belt drive design power select belt type determine shive size (belt speed 4000 ft/min)...
find v belt drive
design power
select belt type
determine shive size (belt speed 4000 ft/min)
find shive size from power rating figure
find rated power
find estimated centre distance
find belt length (by selecting standard belt length)
calculate actual centre distance
find contact angle for small shieve
determine correct factors
calculate correct power per belt
no. of belt needed
V-Belt Designing Sample Problem . Given: A 4 cylinder diesel engine runs at 80 hp, 1800 rpm, to drive a...
I need help to solve this questions about Generator Governor Droop and Transmission Line. A complete...
I
need help to solve this questions about Generator Governor Droop
and Transmission Line. A complete solutions with answers would be
great. Thank you
Generation Question 1 to 5 relate to the following grid connected generator. A governor-controlled, steam-driven 450 MW synchronous generator with 5% droop is synchronized to the 60 Hz grid and its load set-point adjusted to deliver 300 MW to the grid. Q1. (a) 000 What is the actual droop of the generating unit? 0.0225 Hz/MW (b)...
2- The Electrical System Unit 14 14.5 Premises Ground-Fault Current Path 14.8 Conductor Power Los Metal parts of premises wiring must be bonded to a low medance path designed so that the circuit protection device will quickly open and clear a ground fault 12 Conductor poner losses are directly proporional tl le lengh of the conaco and the areofthe cnrt duce the line- aused by the current is doubled, the power loss will be increased by a) True -percent al...
they are true and false questions.
1. A power line is shown on a plot plan using two continuous lines. F 2. A lateral electrical service is run from a pole to a dwelling. F 3. The minimum size service-entrance conductor for a dwelling is #6. F 4. The minimum size branch circuit for a dwelling is 20 A. F 5. EMT must be supported every 10' and within 3' of each outlet box, junction box, cabinet, or fiting. F...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
14) Which of the following is NOT a typical electrical component? A) Resistor B) Capacitor C) Megatron Inductor E) Transformer D) 23) Convert 6.8 x 10-5 W to the closest standard metric prefix. A) 68 °W B) 0.68 uW C) 680 uW D) 6.8 uw 24) Convert 3.95 x 10-4 A to the closest standard metric prefix. A) 3.95 mA 39.5 mA 0.395 mA D 395 mA Convert the following: 25) 2 x 10-3 Amp = A) 2 microamps 2...
find v belt drive
design power
select belt type
determine shive size (belt speed 4000 ft/min)
find shive size from power rating figure
find rated power
find estimated centre distance
find belt length (by selecting standard belt length)
calculate actual centre distance
find contact angle for small shieve
determine correct factors
calculate correct power per belt
no. of belt needed
V-Belt Designing Sample Problem . Given: A 4 cylinder diesel engine runs at 80 hp, 1800 rpm, to drive a...
I
need help to solve this questions about Generator Governor Droop
and Transmission Line. A complete solutions with answers would be
great. Thank you
Generation Question 1 to 5 relate to the following grid connected generator. A governor-controlled, steam-driven 450 MW synchronous generator with 5% droop is synchronized to the 60 Hz grid and its load set-point adjusted to deliver 300 MW to the grid. Q1. (a) 000 What is the actual droop of the generating unit? 0.0225 Hz/MW (b)...
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