Answer:
The unknown element is Capacitor.
Explanation:
The sinusoidal voltage is given as:
v(t) = V Sin (ωt + Ф)
Where:
V = Amplitude of Voltage
ω = 2π / T = > Time period (T)
Ф = phase shift
Considering no horizontal phase shift in the wave form, the equation can be written as:
v(t) = V Sin (ωt)--------(1)
Since, current in the capacitor can be given as:
i(t) = C dv(t)/dt = ωCV Cos (ωt)--------(2)
Now, checking all conditions:
At t=0 :
Equation (1) implies:
v(t) = V Sin [(2π/T)(0)] = V Sin (0)
v(t) = 0
The above finding satisfies the condition in the question. Now checking other conditions.
At t = T/4:
Equation (2) implies:
i(t) = ωCV Cos [(2π/T)(T/4)] = ωCV Cos [(π/2)] = ωCV (0)
i(t) = 0
At t = T/2 :
Equation (2) implies:
i(t) = ωCV Cos [(2π/T)(T/2)] = ωCV Cos [(π)] = ωCV (-1)
i(t) = - ωCV = max amplitude of current in negative direction
All three conditions of voltage and currents of question are satisfied with equations of capacitor hence, the unknown element is capacitor.
The tensile stress at the yield point is 286 MPa, the ultimate tensile stress is 509 MPa and the average stress is 1,018 MPa.
<h3>Tensile stress</h3>
I. Tensile stress at the yield point
Tensile stress=Fy/A1=4×90×10^3÷πd1²
=360×10^3÷(2×10^-2)²π
=286 MPa
II. Ultimate tensile stress
Fmax/A1=4×160×10^3÷πd1²
=640×10^3÷(2×10^-2)²π
=509 MPa
III. Average stress at the breaking point
Fd/A2=4×80×10^3÷πd2²
=320×10^3÷(10^-2)²π
=1,018 MPa
Therefore the tensile stress at the yield point is 286 MPa, the ultimate tensile stress is 509 MPa and the average stress is 1,018 MPa.
Learn more about tensile stress here:brainly.com/question/12937199
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<u>Explanation:</u>
<em>Remember, </em>to say a product is incorporated with aesthetic design implies that its overall appearance is designed to look beautiful to the eyes of the user/buyer. For example, a clothing company whose target market is mainly focused on women's clothing<u> would need to take into consideration that certain colors like pink, blue, etc are attractive to women more than men.</u> So they'll have to ensure the colors of their clothing are suitable to the needs of their target market.
The Universal Design process involves building products that can be used by a wide range of users at ease. For example, you may ask yourself: Is my product/service easily accesible to those with disabilities?
Other processes include;
- Defining who the users (or universe) are of the products.
- Involve consumers in the design.
- Follow the existing standards of product design
- Evaluate and review your universal design methods
Answer: See explanation
Explanation:
1. How is diesel fuel ignited in a warm diesel engine?
B. Heat compression
2. Which type of diesel injection produces less noise?
A. Indirect injection (IDI)
3. Which diesel injection system requires the use of a glow plug?
A. Indirect injection (IDI)
4. The three phases of diesel ignition include:
C. Ignition delay, repaid combustion, controlled combustion.
5. What fuel system component is used in a vehicle equipped with a diesel engine that is seldom used on the same vehicle when it is equipped with a gasoline engine?
D. Water-fuel separator
6. The diesel injection pump is usually driven by a _________________.
A. Gear off the camshaft
7. Which diesel system supplies high-pressure diesel fuel to all the injectors all of the time?
C. High-pressure common rail
8. Glow plugs should have high resistance when _____________and lower resistance when __________________.
B. Warm/cold
9. Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which Technician is correct?
D. Neither Technicians A NOR B
10. What part should be removed to test cylinder compression on a diesel engine?
D. A glow plug
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