What is the efficiency of the turbine if Power of the wind is 410.5 W and power of turbine is 115.7 W? a. 33.05 % b. 30.09% c. 31.8% d. 28.1%
Q: For the Wheatstone Bridge network shown in Figure. What is the value of x when Wheatstone's network…
A:
Q: 1. Why is it important that energy is constantly being transformed from one to another?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 2. A power company is considering damming a river that has a steady flow rate of 175 m3/s. At the…
A: Given: The rate of flow is 175 m3/s and the flow is steady. The potential height of the dam is 80 m.…
Q: You eat a sandwich. Later that day, you walk up a flight of stairs. a. Describe how energy changes…
A: a. The sandwich contains energy in the form of chemical energy. When I ate the sandwich, this…
Q: A moveable piston of a closed container containing an ideal gas is lifted to 3 m after it is heated…
A: Energy by piston = 3.5 ×3=10.5 J
Q: 6. Research the power of two different things and report back their power in watts Eg. An onland…
A: 6. Power is amount of energy transferred or converted per unit time. A solar panel can produces…
Q: 3. A typical tablet battery recharger provides 10 Watts of power. 60% of this power is converted to…
A: Power of recharger (P) = 10 Watt Percentage of power , which get converted to chemical potential…
Q: An electric kettle of 2200 W is used for 1 min. How much electrical energy is used? (A) 2200J B)…
A: Given Data, Power of the electric kettle (P)=2200 W Time (t)=1 min
Q: What is the power in watts of a motor rated ¼ hp?…
A: Given: The power is 1/4 hp.
Q: Give the Formula for Efficiency, Work Flow rate
A: Output is the total amount of useful work completed without accounting for any waste and spoilage.…
Q: If the efficiency of a coal-fired electrical generating plant is 35%, then what do we mean when
A: Law of Conservation of Energy: The Law of Conservation of Energy states that the total energy of an…
Q: 4. By using the 'sum of products' method determine the unsimplified expression for the output given…
A:
Q: Airflow lifts a 3.6 kg bird 50 m up. How much work was done by the flow?
A: The energy possessed by an object when raised to a height h from the ground is known as the…
Q: A semi has typical dimensions (2.6m wide, 4.1 m high, 16 m long). Assume the drag coefficient is…
A: Hence the answer
Q: A coal power plant produces 20 MW with 30% efficiency. If the coal used in the plant possesses…
A: (1) As per question power output is 20MW, Efficiency is 30% i.e Pout/pinput=0.3, Pin=Pout/0.3=200/3…
Q: 6. What is the potential energy stored in a cubic meter of water (1000 kg) that is in a reservoir…
A: Given: The mass of the water inside the reservoir is 1000 kg. The height of the reservoir is 60 m.
Q: 2) "Almost all forms of renewable energy is directly or indirectly depend on solar energy" verify…
A:
Q: A machine puts out 400 W of power for every 1000 W put into it. The efficiency of the machine is
A:
Q: A 1 kg rock is released from rest at a height of 20 m. Ignoring air resistance, determine the…
A: Given data mass of rock (m) = 1kg initial height (h) = 20m initial rock is at rest so its kinetic…
Q: the height of the Iguazu Falls is 82 m. A log of wood with mass 1350 kg moves at 7ms -1 in the water…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: Explain the importance of solar energy power generation with reference to present world energy…
A: Solar energy power is the conversion of the sunlight energy into the electri energy. Using the…
Q: 75%. Calculate the pow air is 1.864 Kg/m³.
A: Given as, d=18 m, v=10ms , η=0.75, ρ=1.864 kgm3 .
Q: 8. In a bypass engine, the bypass air: Increases the air mass flow and therefore reduces the…
A: We have to write about bypass engine
Q: 7. An electric motor with an efficiency of 80% has a power output of 4.00 horsepower. The power…
A: Given, Output power = 4 horsepower. Efficiency = 80% Motor runs for = 3 hour Charges = $0.15 per kWH…
Q: The average electricity consumption of a house in Gainesville is known to be 1,007 kWh in a month…
A: As the monthly energy consumption is 1007 kWh therefore the daily energy consumption of Gainesville…
Q: 3. An electric motor used to lift an elevator has power rating of 26.74 kW. If it can carry a…
A:
Q: 11. A 56kg weight lifter has to carry a 1000lbs of load 10meters above his current location.…
A:
Q: 8. How much time is needed to produce 720 Joules of work if 90 watts of power is used?
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: 4. A motor having an efficiency of 90% operates a crane having an efficiency of 40 %. With what…
A: Speed of the object lifted depends on the Ratio of the gear or pulley which enable the motor shaft…
Q: 4. A 0.25 hp motor is used to lift a load at the rate of 5 cm/s. How great a load can it lift at…
A:
Q: Match the given functions with the components of a wind turbine. converts kinetic energy of wind to…
A: Wind turbine is a device which converts wind energy into electrical energy. It is bulky in size.…
Q: 2. Bulb A is a 60 W incandescent bulb and bulb B is a 10 W LED bulb. Both bulbs produce 4.0W of…
A: Given: The reading of bulb A is 60 W. The reading of bulb B is 10 W. The output power is 4 W.
Q: 3. A horizontal-axis wind turbine with a 20m diameter rotor is 30% efficient in 10 m/s winds at 1…
A: The power P (in W) produced is given by P=(1/2)ηρAv3…
Q: 1. What is the work required to cycle 60 revolutions with a resistance setting of 4 kp on a Monark…
A: 1. Given that, 1 pedal revolution = 6 m 1 kp = 10 N Distance, d = 60 revolutions => d = 60*6…
Q: No machine is 100 % efficient. What happens to the missing energy between input and output of work?…
A: According to the law of conservation of energy - Energy can't be created nor be destroyed. But in…
Q: The actual power output of a wind turbine with an efficiency of 45% is 1250kw. The predicted output…
A: Given data, Efficiency is given η=45 %. Output power Pout=1250 KW.
Q: TH1: A 39% maximum efficient coal-fired power plant needs to produce 600 MW of power. A. To achieve…
A: Given(s): The wastewater is dumped into a late of temperature T2=13 oC=(13+273) K=286 K .…
Q: 1. Describe the principle of conservation of mechanical energy with words and an equation. Define…
A: Mechanical energy can be divided into two types. 1. Potential energy due to position of the particle…
Q: - b. higher temper Oc. none of these
A: The Significance of the Concentration Factor in Concentrated Solar PowerConcentrated solar power…
Q: Which one of the following can produce maximume of power about 5KW? a. Solar b. Fuel cell c. Wind d.…
A: Solar energy is an essential source of renewable energy. It is a radiant light from the sun that is…
Q: Question 17 A gasoline engine with an efficiency of 0.49 generates 1.86 hp of power. If a liter of…
A:
Q: An engine with an output of 220.0 WW has an efficiency of 39.0%. It works at 11.0 cycles/s. How much…
A: Write the given values with suitable variables. POut=220 Wη=39%c=11 cycles/s Here, POut, η, and c…
10 -
What is the efficiency of the turbine if Power of the wind is 410.5 W and power of turbine is 115.7 W?
33.05 %
30.09%
31.8%
28.1%
Step by step
Solved in 2 steps
