Answer:

**Answer:**

The correct answer is C) Trimetric

**Explanation:**

The most suitable answer is a trimetric projection because, in this type of projection, we see that the projection of the three angles between the axes are not equal. Therefore, to generate a trimetric projection of an object, it is necessary to have three separate scales.

Air enters the first compressor stage of a cold-air standard Brayton cycle with regeneration and intercooling at 100 kPa, 300 K, with a mass flow rate of 6 kg/s. The overall compressor pressure ratio is 10, and the pressure ratios are the same across each compressor stage. The temperature at the inlet to the second compressor stage is 300 K. The turbine inlet temperature is 1400 K. The compressor stages and turbine each have isentropic efficiencies of 80% and the regenerator effectiveness is 80%. For k = 1.4, calculate: a. the thermal efficiency of the cycle b. the back work ratio c. the net power developed, in kW d. the rates of exergy destruction in each compressor stage and the turbine stage as well as the regenerator, in kW, for T 0 = 300 K.

A technician has been dispatched to assist a sales person who cannot get his laptop to display through a projector. The technician verified the video is displaying properly on the laptop's built-in screen. Which of the following is the next step the technician should take?

Fill in the empty function so that it returns the sum of all the divisors of a number, without including it. A divisor is a number that divides into another without a remainder.

In response to the market revolution:the legal system worked with local governments to find better ways to regulate entrepreneurs.Chief Justice John Marshall ruled that legislatures could not alter or rescind charters and contracts that previous legislatures had created.local judges protected businessmen from paying property damages associated with factory construction and from workers seeking to unionize.Massachusetts Chief Justice Lemuel Shaw held in Commonwealth v. Hunt that workers had no right to organize.corporations proved less able to raise capital than chartered companies did.

A composite wall consists of 20 mm thick steel plate backed by insulation brick (k = 0.39 W/mK) of 50 cm thickness and overlaid by mineral wool of 20 cm thickness (k = 0.05 W/mK) and 70 cm layer of brick of (k = 0.39 W/mK). The inside is exposed to convection at 650°C with h = 65 W/ m2K. The outside is exposed to air at 35°C with a convection coefficient of 15 W/m2K. Determine the heat loss per unit area, interface temperatures and temperature gradients in each materials.

A technician has been dispatched to assist a sales person who cannot get his laptop to display through a projector. The technician verified the video is displaying properly on the laptop's built-in screen. Which of the following is the next step the technician should take?

Fill in the empty function so that it returns the sum of all the divisors of a number, without including it. A divisor is a number that divides into another without a remainder.

In response to the market revolution:the legal system worked with local governments to find better ways to regulate entrepreneurs.Chief Justice John Marshall ruled that legislatures could not alter or rescind charters and contracts that previous legislatures had created.local judges protected businessmen from paying property damages associated with factory construction and from workers seeking to unionize.Massachusetts Chief Justice Lemuel Shaw held in Commonwealth v. Hunt that workers had no right to organize.corporations proved less able to raise capital than chartered companies did.

A composite wall consists of 20 mm thick steel plate backed by insulation brick (k = 0.39 W/mK) of 50 cm thickness and overlaid by mineral wool of 20 cm thickness (k = 0.05 W/mK) and 70 cm layer of brick of (k = 0.39 W/mK). The inside is exposed to convection at 650°C with h = 65 W/ m2K. The outside is exposed to air at 35°C with a convection coefficient of 15 W/m2K. Determine the heat loss per unit area, interface temperatures and temperature gradients in each materials.

**Answer:**

L = 75.25 mm

**Explanation:**

First we need to find the lateral strain:

**Lateral Strain = Change in Diameter/Original Diameter**

**Lateral Strain = (20.025 mm - 20 mm)/20 mm**

**Lateral Strain = 1.25 x 10⁻³**

Now, we will find the Poisson's Ratio:

**Poisson's Ratio = (E/2G) - 1 **

where,

E = Elastic Modulus = 105 GPa

G = Shear Modulus = 39.7 GPa

Therefore,

**Poisson's Ratio = [(105 GPa)/(2)(39.7 GPa)] - 1**

**Poisson's Ratio = 0.322**

Now, we find longitudinal strain by following formula:

**Poisson's Ratio = - Lateral Strain/Longitudinal Strain**

**Longitudinal Strain = - Lateral Strain/Poisson's Ratio**

**Longitudinal Strain = - (1.25 x 10⁻³)/0.322**

**Longitudinal Strain = - 3.87 x 10⁻³**

Now, we can fin the original length:

**Longitudinal Strain = Change in Length/L**

where,

L = Original Length = ?

Therefore,

**- 3.87 x 10⁻³ = (74.96 mm - L)/L**

**(- 3.87 x 10⁻³)(L) + L = 74.96 mm**

**0.99612 L = 74.96 mm**

**L = 74.96 mm/0.99612**

**L = 75.25 mm**

**Answer:**

Isobaric process

**Explanation:**

The process in which the system pressure remain constant is called is called isobaric process. The word "iso"means same and baric means pressure.

**At constant pressure, the work done is given by :**

**Where**

**W is the work done by the system**

**p is the constant pressure**

is the change in volume

**So, the correct option is (c) " isobaric process ".**

b) sketch vc and ic.

**Answer:**

**hello your question is incomplete attached is the complete question **

A) Vc = 15 ( 1 - ) , ic =

B) attached is the relevant sketch

**Explanation:**

applying Thevenin's theorem to find the mathematical expression for the transient behavior of **Vc a**nd **ic** after closing the switch

= 8 k ohms || 24 k ohms = 6 k ohms

= = 15 v

*t* = RC = (10 k ohms( 15 uF) = 0.15 s

Also; Vc =

hence Vc = 15 ( 1 - )

ic = = =

attached

Answer: **199.1 kip**

Explanation:

Given that

Outer diameter is Do = 7 in

Inner diameter Di = ( Do - ( 2×0.5)) = 6 in

Length = 5000 ft = 60000 in

Now change in length of the pipe due to temperature difference

SL = L∝ΔT

= 60000 × 6.5×10^-6(140-40)

SL = 39 in

Also

sL = PL/AE

A = cross sectional area of pipe = π/4(Do^2 - Di^2)

so

P = SL×A×E / L

= (39 × π/4(7^2 - 6^2)×30000) / 60000

= **199.1 kip**

compressive load applied by the pipeline on a PLET due to its thermal expansion is **199.1 kip**

**Answer:**

A. True

**Explanation:**

In signal processing, a filter is a device or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing, the defining feature of filters being the complete or partial suppression of some aspect of the signal. Most often, this means removing some frequencies or frequency bands. However, filters do not exclusively act in the frequency domain; especially in the field of image processing many other targets for filtering exist.

**Explanation:**