In wind power calculations, wind speed is expressed in Km/Hr. Select one: True O False

Q: What is true about weather? The weather depends on so many conditions that it is not possible to…

A: Answer:The weather behaves randomly, which is why weather predictions are so often inaccurate   This…

Q: What is the ultimate source of geothermal energy?

A: Geothermal energy is a type of renewable energy that can be described as the energy from the heat…

Q: A 'wind' is simply a flow of huge amount of air, usually from a high temperature area to low…

A: Moving air is termed as wind .So ,it is flow of huge amount of air .

Q: If h=.0500m, express the answers in units; cmHg and cmH20.

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Q: In 1925, the Tri-State Tornado ripped a 219 mi path of destruction through Missouri, Illinois, and…

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Q: Write TRUE or FALSE Lift force in wind turbine is an aerodynamic force which acts in the direction…

A: Turbine uses the mechanical energy to generate other form of energy. There are mainly two type of…

Q: Choose the best answer to the following: When wind speeds up as it blows over the top of a hill,…

A: Air pressure decreases when a person go up in height.

Q: How much change in power of wind if will take place if wind velocity becomes 5 times and blade…

A: Solution:given that Change in velocity 5 times change in blade length is 5 times

Q: Cave is hiking on a mountain and stop 15 and five eights feet above sea level the base of the…

A: final position (df)  = (15+ 58) ft above see level = 1258 ft above sea level Position of base of…

Q: Two sites are being considered for wind power generation. In the first site, the wind blows steadily…

A: It is given that wind blows steadily. Then the time rate of kinetic energy is given by,

Q: calculate dominant wind direction and related average wind speed.

A: Given: To calculate dominant wind direction and related average wind speed.

Q: A Doppler flow meter is usually used to determine the wind speed in a tornado or hurricane. Group…

A: Solution- False A Doppler flow meter is not used to determine the wind speed in a tornado or…

Q: Calculate the quantity of natural gas in cubic feet needed to run the hot water tap for 25 min at a…

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Q: The air pressure at an altitude of 5.6 k is 7.4 lb/sq in.  What is the atmospheric pressure at this…

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Q: how, by using wind deflectors on the top truck cabs reduce fuel consumption?

A: Wind deflectros is used to deflect wind by deflector which is further redirected it around sides of…

Q: How much change in the power of wind will take place if wind velocity becomes 4 times ? Change in…

A:

Q: What air pressure produces this force?

A: The image below explains the actual scenario.  Let P= Pressure of the compressed gas. Therefore,…

Q: A wind is blowing at a speed of 45 km/h in a direction 34° North of East. The northward (Y).…

A: Y component is given by  Vsinθ

Q: How much change in the power of wind will take place if wind velocity becomes 3 times O 27 times O 9…

A:

Q: How much change in the power of wind will take place if wind velocity becomes 5 times ? Change in…

A: The mathematical expression for calculating the power of wind is : P=12kCpρAV3 Here, P is the power…

Q: How much change in the energy of wind will take place if wind velocity becomes 4 times ? Change in…

A:

Q: Determine the wind energy (a) per unit mass and (b) for a mass of 25 kg, if the wind speed is…

A: Part a: The total energy E of mass m with velocity v is given is the kinetic energy of the mass. Let…

Q: Calculate the factor for the increase in wind speed if the original wind speed was taken at a height…

A: Given , initial height z1 = 10m Power low exponent ,α = 0.14   Power law gives  v2v1=z2z1α where v2…

Q: In wind power calculations, wind speed is expressed in Km/Hr. Select one: True False

A: False

Q: Determine the wind energy per unit mass if the winds speed is 21 Km/Hr. A- 17.014 J B- 0.810 J C-…

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Q: How much change in the power of wind will take place if wind velocity becomes 4 times and blade…

A: SOlution: Given that V1 =V m/s V2=4V m/s L1=L m L2=8L m

Q: Given the following data, which part do you think has the highest water potential or has the ability…

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Q: Anemometer is an instrument meant for measuring __________   A) velocity B) air masses C)…

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Q: list the possible errors that could effect on velocity profile in wind tunnel?

A: The possibilities could be 1)The flow is not fully developed in the sections where you measured the…

Q: TRUE or FALSE? The velocity profile of the wind along the vertical inside the Atmospheric Boundary…

A: atmospheric boundary layer is the lowest part of the atmosphere and its behavior is directly…

Q: The atmospheric pressure on top of Mt. Everest (elevation 29,028ft) is 0.329atm. Calculate the…

A: GIVEN : Atmospheric pressure Patm=0.329 atm (a) Atmospheric pressure (mmHg) : 1atm = 760 mmHg Using…

Q: The force of the atmosphere at sea level against the outside of a 10 m2m2 store window is about 1…

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Q: An airplane is traveling north at 300 Rh ne a strong crosswind blowing 150 km/h from west to east.…

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Q: Air pressure is usually highest when the air is  A) warm and moist B) cool and dry C) warm and dry…

A: option D is correct Answer

Q: What are the Types Of Water Energy?

A: There are four types of water energy and they are: Thermal power plants: Steam is used in thermal…

Q: What materials are wind turbine blades made of?

A: For the selection of material for the turbine blade following properties must be taken into…

Q: During typhoon Ambo, PAGASA tracks the amount of accumulating rainfall. For the first three hours of…

A: →To write: A piecewise function that models the amount of rainfall as a function of time.

Q: A wind is blowing at a speed of 20 km/h in a direction 37° North of East. The northward (Y)…

A: (b) Y component of velocity of wind is                V= 12.03km/hr

Q: What is the energy source for the motion of gas in the atmosphere?

A: For the motion of gas in the atmosphere, the sun provides the required heat energy for the molecules…

Q: If the wind velocity at a height of 2 m above ground is 5.0 kmph, its value at a height of 9 m above…

A: In the above mentioned question we are provided with the following details , z = 9 m/s z​​​​r = 2…

Q: Why do some rainstorms have more rain than others?

A: Some rainstorms have more rain than others because of some reason-  As moist air rises through…

Q: Gale force winds 37.0 knots converted to meters per second

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!