o ssl/tls can be used to protect both the payload and the header of a tcp packet.T/F

False. Technical reviews of an ACAT I rotary wing aircraft program are not solely used to assess technical design maturity risks but also programmatic risks.

ACAT (Acquisition Category) I programs represent major defense acquisition programs with high levels of complexity, cost, and risk. Therefore, comprehensive reviews are conducted to evaluate both technical and programmatic aspects.

Technical reviews assess the technical design maturity and identify any technical risks that may impact the program's success. These reviews focus on aspects such as system architecture, subsystem integration, performance, reliability, and safety.

Programmatic reviews, on the other hand, evaluate program management and execution, including schedule, budget, resources, and overall program performance. These reviews aim to identify programmatic risks, such as inadequate funding, schedule delays, inefficient resource allocation, and management issues.

Both technical and programmatic risks are crucial to evaluate in an ACAT I program to ensure the successful development and delivery of a rotary wing aircraft.

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At 1.2mpa pressure and 50c

What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).

a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser

T2 = 46.29C - 5
T2 = 41.29C

Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg

(COP)r = 238/53
(Cop) = 4.490

Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.

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Answer:

The relief valve will open as pressure caused by a downstream load or backpressure increases high enough to force the poppet or spool open against its spring.

Explanation:

Answer:

b. American Society of Mechanical Engineers

Explanation:

The "American Society of Mechanical Engineers" (ASME) is an organization that ensures the development of engineering fields. It is an accreditation organization that ensures parties will comply to the ASME Boiler and Pressure Vessel Code or BPVC.

The BPVC is a standard being followed by ASME in order to regulate the different pressure vessels and valves. Such standard prevents boiler explosion incidents.

This is because relative humidity level increases as dry-bulb temperature decreases. This temperature is measured using a specific thermometer.

The dry-bulb temperature refers to the air temperature, which can be estimated by using a thermometer exposed to the air.

The thermometer used to measure the dry-bulb temperature must be protected from radiation and moisture (i.e., the humidity of the air).

The dry bulb temperature can be considered as ambient temperature, whereas the wet-bulb temperature measures the humidity of the air.

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True is the answer.....

Answer:

A ball bearing has been selected with the bore size specified in the catalog as 35.000 mm to 35.020 mm. Specify.... ... has been selected with the bore size specified in the catalog as 35.000 mm to 35.020 mm. Specify appropriate minimum and maximum shaft diameters to provide a locational interference fit.

Explanation:

Answer: It is power stroke

To calculate the unfactored overturning moment in the most resistant direction for the precast concrete unit, we first need to determine its weight.

Volume of the precast concrete unit = height x width x depth = 2.0m x 1.2m x 0.15m = 0.36m3
Weight of the precast concrete unit = volume x density = 0.36m3 x 24kN/m3 = 8.64kN
Next, we need to consider the moment created by the weight of the unit. Assuming that the center of gravity of the unit is at its geometric center (which is a reasonable assumption for a symmetrical object), the moment can be calculated as follows:
Moment = weight x distance from the center of gravity to the edge of the base
Distance from center of gravity to edge of base = 0.5 x width = 0.5 x 1.2m = 0.6m
Moment = 8.64kN x 0.6m = 5.184 kNm
Therefore, the unfactored overturning moment in the most resistant direction for the precast concrete unit when it is plainly sat on the ground is 5.184 kNm.

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We can approximate 1 atm by 100 kpa. if a tire's gage pressure is 200 kpa. The absolute pressure in the tire would be 300 kPa.

The pressure in a tire is expressed in terms of gauge pressure and absolute pressure. Gauge pressure is the pressure measured relative to the atmospheric pressure, whereas absolute pressure is the pressure measured relative to a perfect vacuum.

One atmospheric pressure is commonly defined as 100 kPa, so we can approximate 1 atm to be 100 kPa. If a tire's gauge pressure is 200 kPa, it means that the tire pressure is 200 kPa above atmospheric pressure. To convert this gauge pressure to absolute pressure, we add it to the atmospheric pressure of 100 kPa. Thus, the absolute pressure in the tire would be 200 kPa + 100 kPa = 300 kPa.

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Answer:

a 9mm dimeter tube is inserted into un known whose density is 960kg/m3 and it is obsered that the liquid rises 5mm inthe tube,making a contact angle of15. determin the surface tention of the fluid.

Explanation:

A 1.9-mm-diameter tube is inserted into an unknown liquid whose density is 960 kg/m3, and it is observed that the liquid rises 5 mm in the tube, making a contact angle of 15°. The surface tension of the liquid is 0.041 N/m.

Surface tension is the property that is displayed by the liquid surface, which increases its surface area due to intermolecular forces of attraction.

We can use the capillary rise equation to solve this problem:

h = (2Tcosθ)/(ρgr)

where:

h = height of liquid rise in the tube (5 mm)

T = surface tension of the liquid (to be determined)

θ = contact angle (15°)

ρ = density of the liquid (960 kg/m^3)

g = acceleration due to gravity (9.81 m/s^2)

r = radius of the tube (1.9/2 = 0.95 mm = 0.00095 m)

Substituting the given values and solving for T, we get:

T = (hρgr)/(2cosθr)

= (0.005 m)(960 kg/m³)(9.81 m/s²)(0.00095 m)/(2cos(15°)(0.00095 m))

= 0.041 N/m

Therefore, the surface tension of the liquid is 0.041 N/m.

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It is to be noted that in OSHA, reducing time lost due to injuries and accidents can lead to increased productivity and efficiency, improved financial performance, and better employee morale and retention.

The Occupational Safety and Health Act of 1970 established the Occupational Safety and Health Administration (OSHA) to safeguard employees' safety and health by creating and enforcing standards and providing training, outreach, information, and support.

Reducing time lost due to injuries and accidents can have a number of advantages for a business. By reducing injuries and accidents, a firm may save time and money on absenteeism, medical care, and workers' compensation claims. This can lead to enhanced production and efficiency, which can contribute to better financial performance.

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Answer:

Acef

Explanation:

Edginuity 2021

Answer:

2,3,4,5

Explanation:

guy above me is wrong

To determine the speed of the car at each gear when the engine speed is 6200 rpm the answer for each gear is given below.

RPM stands for "Revolutions Per Minute." It is a unit of measurement used to express the rotational speed of an object, typically a motor or engine. RPM is a measure of how many times an object completes a full rotation around its axis in one minute. In the context of a car engine, RPM is often used to describe the speed at which the engine is running.

We need to use the gear ratios and final drive ratio to calculate the tire revolution per minute (RPM) and then convert that to the speed of the car.

First, we need to calculate the RPM of the tires. We can use the following formula:

Tire RPM = Engine RPM * Final Drive Ratio * Gear Ratio

For 1st gear:

Tire RPM = 6200 * 3.685 * 3.3 = 74835.9

To calculate the speed of the car at 1st gear, we need to convert the tire RPM to miles per hour (mph) using the tire's circumference. The formula for calculating the tire circumference is:

Circumference = (Tire Width * Aspect Ratio / 100) * 2 + (Wheel Diameter * 25.4)

For P215/55R17 tire, the circumference is:

Circumference = (215 * 0.55 / 100) * 2 + (17 * 25.4) = 83.59 inches

To convert the tire RPM to mph, we use the following formula:

Speed (mph) = Tire RPM * Circumference / 63360

So, the speed of the car in 1st gear is:

Speed (mph) = 74835.9 * 83.59 / 63360 = 98.3 mph

For 2nd gear:

Tire RPM = 6200 * 3.685 * 1.9 = 42872.9

Speed (mph) = 42872.9 * 83.59 / 63360 = 55.9 mph

For 3rd gear:

Tire RPM = 6200 * 3.685 * 1.42 = 32562.7

Speed (mph) = 32562.7 * 83.59 / 63360 = 42.6 mph

For 4th gear:

Tire RPM = 6200 * 3.685 * 1.00 = 22801

Speed (mph) = 22801 * 83.59 / 63360 = 29.9 mph

For 5th gear:

Tire RPM = 6200 * 3.685 * 0.713 = 13016.6

Speed (mph) = 13016.6 * 83.59 / 63360 = 17.0 mph

For 6th gear:

Tire RPM = 6200 * 3.685 * 0.609 = 9459.9

Speed (mph) = 9459.9 * 83.59 / 63360 = 12.3 mph

For reverse:

Tire RPM = 6200 * 3.685 * 4.148 = 96027.8

Speed (mph) = 96027.8 * 83.59 / 63360 = 125.4 mph

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The most common use for encoders is to measure angular or linear distance, but encoders can also be used to perform speed or velocity measurements. In other words, as the encoder rotates faster, the pulse frequency increases at the same rate

Answer:

Explanation:

Considering the flow of mercury in a tube:

When it comes to laminar flow of mercury, the thermal entry length is quite smaller than the hydrodynamic entry length.

Also, the hydrodynamic and thermal entry lengths which is given as DLhRe05.0= for the case of laminar flow. It should be noted however, that Pr << 1 for liquid metals, and thus making the thermal entry length is smaller than the hydrodynamic entry length in laminar flow, like I'd stated in the previous paragraph

Assuming complementary inputs are available, the minimum number of transistors needed to realize a two input xor gate is 4.

If two inputs work well together in the production process, they are said to be complements. Since the inputs are used in fixed proportions, if the price of one input lowers, more of it will be sought after, increasing the demand for the other input.

In this study, a model of anticompetitive exclusive contracts with complimentary inputs is built. A downstream company converts a variety of complementary inputs into finished goods. When complementary input providers hold a dominant position in a specific input market, upstream competition price within that market benefits both the downstream firm and the complementary inputs providers by driving up complementary input prices.

Thus, even when entry that is socially optimal is permitted, the downstream firm is unable to generate higher profits. Therefore, even in the absence of scale economies, downstream competition, and relationship-specific investment, the inefficient incumbent provider can prevent socially efficient entrance by employing exclusive contracts.

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Answer:

Quick Breads

Explanation:

I think this is correct. I am not for sure i just looked it up and it says word for word that this is the answer.

Answer:

Quick Breads

Explanation:

I got it right on my Plato test

The enthalpy of combustion of methane at 25°C and 1 atm, assuming that the water in the products is in the liquid form, is -802.3 kJ/mol.

The enthalpy of combustion of methane can be calculated using the enthalpy of formation data for methane and water, and the balanced chemical equation for the combustion reaction:

CH4 + 2O2 -> CO2 + 2H2O

The enthalpy change for this reaction can be calculated using Hess's law, which states that the enthalpy change for a reaction is equal to the sum of the enthalpy changes for a series of reactions that add up to the original reaction. In this case, we can use the following reactions:

CH4 + 2O2 -> CO2 + 2H2O (target reaction)

CH4 + 2O2 -> CO2 + 2H2O + 890.3 kJ/mol (enthalpy of formation of CH4)

H2(g) + 1/2O2(g) -> H2O(l) + 285.8 kJ/mol (enthalpy of formation of H2O)

To use Hess's law, we need to reverse the second equation and multiply it by -1, and add it to the first equation to cancel out the H2O on the product side:

CH4 + 2O2 -> CO2 + 2H2O (target reaction)

CH4 + 2O2 -> CO2 + 2H2O + 890.3 kJ/mol (enthalpy of formation of CH4)

H2O(l) -> H2(g) + 1/2O2(g) -285.8 kJ/mol (enthalpy of formation of H2O)

Adding the three equations, we get:

CH4 + 2O2 -> CO2 + 2H2O, ΔH = -802.3 kJ/mol

Therefore, the enthalpy of combustion of methane at 25°C and 1 atm, assuming that the water in the products is in the liquid form, is -802.3 kJ/mol.

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Using the front sight adjusting tool, loosen (turn counterclockwise) the adjusting screw on the front sight assembly the desired amount. Then tighten (turn clockwise) the opposite side screw on the left exactly the same number of clicks.

The term "machine gun" refers to a rifled, autoloading, fully automatic weapon intended for continuous direct fire using rifle rounds. Other automatic weapons, such as automatic rifles, are often intended to fire in brief bursts rather than continuously, and are not regarded as real machine guns because of this.

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Answer:

The landscape architect uses knowledge of legal requirements to inform design choices.

Explanation:

The landscape architect doesn’t only draw on knowledge of law and government to design grounds for public buildings, but will draw on that knowledge quite often on many projects. The landscape architect’s knowledge of design is not purely intuitive but is a product of study and might involve research. The landscape architect’s knowledge of law and government, however, does come into play in making design choices that are consistent with the law and government regulations.

Answer:

10 flip -flops are required to build a binary counter circuit to count to from 0 to 1023 .

Explanation:

An optimal wind turbine installation is done on the side of roughness change that has the smoothest surface for most of the wind directions. (True)

A wind turbine is a machine that transforms wind's kinetic energy into electrical energy. Today, over 650 gigawatts of power are produced by hundreds of thousands of large turbines in wind farms, with 60 GW being added annually. In many nations, wind turbines are used to cut energy costs and lessen reliance on fossil fuels.

They are a significant source of intermittent renewable energy. According to one study, in comparison to photovoltaic, hydro, geothermal, coal, and gas energy sources, wind had the "lowest relative greenhouse gas emissions, the least water consumption demands, and the most favourable social impacts" as of 2009.

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Answer:

d

Explanation:

OR criteria, AND criteria

In an OR criteria, it doesn't need all the records to be true. Just one record is enough and all other criterion becomes true.

In an AND criteria, it's unlike the OR criteria and works in opposite. It needs every member of the record to be true to be able to adjudge the whole record as true.

And as such, we have

With OR criteria, only one criterion must evaluate true in order for a record to be selected and with AND criteria, all criteria must be evaluate true in order for a record to be selected.

To prevent pests from coming it!

A correctly designed and installed air curtain can be used to prevent insects, dust, and debris from entering a building

An air curtain, when correctly designed and installed, can prevent insects, dust, and debris from entering a building. It can also act as a thermal barrier, blocking the transfer of heat or cold, disperse odors, and contain smoke in the event of a fire.

A correctly designed and installed air curtain can be used to prevent or minimize several things.

It's important to note that the effectiveness of an air curtain depends on various factors, such as its design, installation, and maintenance. Proper sizing, airflow velocity, and positioning are crucial to achieving the desired results.

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Answer:

The rotary engine works on the same basic principle as the piston engine: combustion in the power plant releases energy to power the vehicle. However, the delivery system in the rotary engine is wholly unique. The piston engine performs four key operations: intake, compression, combustion, and exhaust.

Explanation:

To determine the mass flow rate of air in a pipe, we need to consider the pipe diameter, air velocity, temperature, and pressure. By using the ideal gas equation and the continuity equation, we can calculate the mass flow rate in kg/s.

The mass flow rate of air can be determined using the ideal gas equation and the continuity equation. The ideal gas equation relates the pressure, temperature, and density of the gas. The continuity equation states that the mass flow rate is constant along a streamline in a steady flow.

To calculate the mass flow rate, we first need to find the cross-sectional area of the pipe, which can be calculated using the pipe diameter. Then, using the given velocity, the cross-sectional area, and the density of air at the given conditions (obtained from the ideal gas equation), we can calculate the mass flow rate.

The ideal gas equation is given by:

PV = mRT

Where:

P is the pressure,

V is the volume,

m is the mass,

R is the gas constant,

T is the temperature.

By rearranging the equation and solving for density (m/V), we can determine the density of air at the given temperature and pressure.

Using the continuity equation, which states that the mass flow rate (m_dot) is equal to the product of the density (ρ), velocity (V), and cross-sectional area (A), we can calculate the mass flow rate in kg/s.

By plugging in the values, we can find the mass flow rate of air in the given pipe.

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This happens as a result of a gain in kinetic energy at the expense of a decrease in enthalpy brought on by gas expansion as air passes through the diverging region of the nozzle.

A nozzle is a tool used to change the characteristics of a fluid flow as it leaves a confined chamber or conduit, particularly to enhance velocity. The reciprocal of the nozzle length, pressure, and the square root of the nozzle diameter all increase air velocity.

A nozzle needs to be made to expand steam from 500 PA at 210 °C to 100 kPa at a rate of 0.1 kg/s.  In order to reach critical or sonic conditions (i.e., choked flow) at its throat, the flow is accelerated when a nozzle is used.

Therefore, The steam's specific volume at the nozzle's exit is determined to be 1.4 m3/kg and its velocity at that point to be 700 m/s.

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The statement that is not true of ISO 9000 is b. The American National Standards Institute guarantees continued ISO 9000 certification for all the ISO-certified American companies. Here's why:  ISO 9000 is a set of international standards for quality management and quality assurance.

It is designed to help companies achieve consistency in their products and services while also improving customer satisfaction. ISO 9000 is a five-part series of standards that includes ISO 9001, ISO 9002, ISO 9003, ISO 9004, and ISO 19011.

The ISO 9000 certification process involves an accredited third-party certification body reviewing a company's quality management system to ensure that it meets the requirements of the ISO 9001 standard. Once a company has been certified, the certification body will issue an ISO 9000 certificate that the company can use in its advertising and publications.

Continued ISO 9000 certification is not guaranteed. To maintain certification, a company must undergo regular surveillance audits to ensure that its quality management system continues to meet the requirements of the ISO 9001 standard. If a company fails to meet these requirements, it can lose its certification.

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The question is incomplete. The complete question is :

The hydrofoil boat has an A-36 steel propeller shaft that is 100 ft long. It is connected to an in-line diesel engine that delivers a maximum power of 2590 hp and causes the shaft to rotate at 1700 rpm . If the outer diameter of the shaft is 8 in. and the wall thickness is \($\frac{3}{8}$\)  in.

A) Determine the maximum shear stress developed in the shaft.

\($\tau_{max}$\) = ?

B) Also, what is the "wind up," or angle of twist in the shaft at full power?

\($ \phi $\) = ?

Solution :

Given :

Angular speed, ω = 1700 rpm

                              \($ = 1700 \frac{\text{rev}}{\text{min}}\left(\frac{2 \pi \text{ rad}}{\text{rev}}\right) \frac{1 \text{ min}}{60 \ \text{s}}$\)

                              \($= 56.67 \pi \text{ rad/s}$\)

Power \($= 2590 \text{ hp} \left( \frac{550 \text{ ft. lb/s}}{1 \text{ hp}}\right)$\)

          = 1424500 ft. lb/s

Torque, \($T = \frac{P}{\omega}$\)

                 \($=\frac{1424500}{56.67 \pi}$\)

                 = 8001.27 lb.ft

A). Therefore, maximum shear stress is given by :

Applying the torsion formula

\($\tau_{max} = \frac{T_c}{J}$\)

        \($=\frac{8001.27 \times 12 \times 4}{\frac{\pi}{2}\left(4^2 - 3.625^4 \right)}$\)

      = 2.93 ksi

B). Angle of twist :

     \($\phi = \frac{TL}{JG}$\)

         \($=\frac{8001.27 \times 12 \times 100 \times 12}{\frac{\pi}{2}\left(4^4 - 3.625^4\right) \times 11 \times 10^3}$\)

         = 0.08002 rad

         = 4.58°