T OR F 1- A sailboat can use wind energy and water currents to move? 2-...

T OR F

1- A sailboat can use wind energy and water currents to move?

2- Wind turbines must be spaced to minimize turbulence?

3- A wind farm is a collection of wind turbines?

4- Water can be used as both a moderating and cooling material in nuclear fission reactors?

Expert Solution

1- A sailboat can use wind energy and water currents to move?

answer : True.

2- Wind turbines must be spaced to minimize turbulence?

Answer - true. Wind turbines work best with smooth flowing wind. If anything disturbs the air flow, it creates turbulence, making the turbine less efficient. Each wind turbine creates turbulence in the area behind and around it, so the turbines need to be spaced well apart from each other.

3-A windfarm is a collection of wind turbines?

Answer : True . Wind farms are arrays of large turbines designed to generate utility-scale electrical power.

4- Water can be used as both a moderating and cooling material in nuclear fission reactors?

Answer : water can be used as a moderator but directly as a cooling material.

FALSE.

Coolant in a nuclear reactor is used to remove heat generated from it. It flushes out heat to electrical generators and environment.

Boiling water reactors/ Pressurized water reactors: Light water (H2O)

Pressurized heavy water reactors/ Advanced heavy water reactors: Heavy Water (D20)

Fast Neutron Reactors: Liquid Sodium (Na2)

Gas cooled reactors: carbon dioxide (CO2)/ Helium

These are the coolants used in respective reactors. Their usage is subject to reactor design and energy of neutrons populated in the nuclear reactor. Some other materials (like NaK, Lead) can also be used as coolant in nuclear reactors and some are under research.

Amanda K answered 2 years ago

1) Use dimensional analysis to find a relationship between the force of the wind, F, on...

1) Use dimensional analysis to find a relationship between the force of the wind, F, on a car. You will also need the velocity, v, the surface area of the car, A and the density of air, p. . 2) Consider the problem of determining the terminal velocity of a raindrop falling from a motionless cloud. Determine a general model using dimensional analysis. Hint: You will need 5 parameters

6. The function f(t) = 0 for − 2 ≤ t < −1 −1 for −...

6. The function f(t) = 0 for − 2 ≤ t < −1 −1 for − 1 ≤ t < 0 0 for t = 0 1 for 0 ≤ t < 1 0 for 1 ≤ t ≤ 2 can be extended to be periodic of period 4. (a) Is the extended function even, odd, or neither? (b) Find the Fourier Series of the extended function.(Just write the final solution.)

Let f(t) =t^2−1 and g(t) =e^t. (a) Graph f(g(t)) and g(f(t)). (b) Which is larger,f(g(5)) or...

Let f(t) =t^2−1 and g(t) =e^t. (a) Graph f(g(t)) and g(f(t)). (b) Which is larger,f(g(5)) or g(f(5))? Justify your answer. (c) Which is larger, (f(g(5)))′or g(f(5))′? Justify your answer.

1.) Use the product rule to find the derivative of (−10x6−7x9)(3ex+3) 2.) If f(t)=(t2+5t+8)(3t2+2) find f'(t)...

1.) Use the product rule to find the derivative of (−10x6−7x9)(3ex+3) 2.) If f(t)=(t2+5t+8)(3t2+2) find f'(t) Find f'(4) 3.) Find the derivative of the function g(x)=(4x2+x−5)ex g'(x)= 4.) If f(x)=(5−x2) / (8+x2) find: f'(x)= 5.) If f(x)=(6x2+3x+4) / (√x) , . then: f'(x) = f'(1) = 6.) Find the derivative of the function g(x)=(ex) / (3+4x) g'(x)= 7.) Differentiate: y=(ln(x)) /( x6) (dy) / (dx) = 8.) Given that f(x)=x7h(x) h(−1)=2 h'(−1)=5 Calculate f'(−1) 9.) The dose-response for a specific...

1) Find the Laplace transform of f(t)=−(2u(t−3)+4u(t−5)+u(t−8)) F(s)= 2) Find the Laplace transform of f(t)=−3+u(t−2)⋅(t+6) F(s)=...

1) Find the Laplace transform of f(t)=−(2u(t−3)+4u(t−5)+u(t−8)) F(s)= 2) Find the Laplace transform of f(t)=−3+u(t−2)⋅(t+6) F(s)= 3) Find the Laplace transform of f(t)=u(t−6)⋅t^2 F(s)=

1. Express the function f(t) = 0, -π/2<t<π/2 &nbsp

1. Express the function f(t) = 0, -π/2<t<π/2 = 1, -π<t<-π/2 and π/2<t<π with f(t+2π)=f(t), as a Fourier series.

True or False 1. T F Six Sigma relates to a 3.4 DPMO. 2. T F...

True or False 1. T F Six Sigma relates to a 3.4 DPMO. 2. T F Six Sigma can not be applied to service companies. 3. T F Walter Shewhart stated that, “A phenomenon is said to be in statistical control when, through the use of past experience, we can say that our product is within the specification limits.” 4. T F Variation exists in every process. 5. T F Potential sources of variation include methods, manpower, material, and equipment....

Question

T OR F 1- A sailboat can use wind energy and water currents to move? 2-...

Solutions

Expert Solution

Related Solutions