A project's critical path is BCFG. The expected finish time and the variance of each activity are as follows. А с B 4 Activity Expected FT Variance 2 4. 1 D E F G H I 3 82 9 1 5 14 104 3 5 6 10 4 5 5 What is the project variance?

The answer choices that have been shown by research to be generally not as effective a method for studying and the methods that are more likely to produce illusions of competence in learning are:

This refers to the act or process of reading material in order to gain new knowledge about a topic and to retain the information in long-term memory.

Hence, we can see that from the complete text, there are different options given and the results of research that showed that they are not very effective for studying and they are:

Read more about studying here:

https://brainly.com/question/1077241

#SPJ1

The heat transferred to and the work produced by the steam during this process  is 13781.618 kJ/kg

The Net Change in Enthalpy will be:

= m ( h2 - h1 ) = 11.216 ( 1755.405 - 566.78 ) = 13331.618 kJ/kg

Work Done (Area Under PV curve) = 1/2 x (P1 + P2) x ( V1 - V2)

= 1/2 x ( 75 + 225) x (5 - 2)

W = 450 KJ

From the First Law of Thermodynamics, Q = U + W

So, Heat Transfer = Change in Internal Energy + Work Done

= 13331.618 + 450

Q = 13781.618 kJ/kg

Learn more about heat on:

https://brainly.com/question/13439286

#SP1

Answer: the absolute static pressure in the gas cylinder is 82.23596 kPa

Explanation:

Given that;

patm = 79 kPa, h = 13 in of H₂O,

A sketch of the problem is uploaded along this answer.

Now

pA = patm + 13 in of H₂O ( h × density × g )

pA= 79 + (13 × 0.0254 × 9.8 × 1000/1000)

pA = 82.23596 kPa

the absolute static pressure in the gas cylinder is 82.23596 kPa

or...................

Answer:

i believe it is true

Explanation:

Answer: Cleaning of mechanical parts is necessary to remove contaminants, and to avoid clogging of wastes which could restrict the functioning of the machine.

Explanation:

There are different agents used for cleaning different machine instruments to prevent their corrosion and experience proper cleaning.

Backing plates must be dry cleaned using a cotton cloth to remove the dirt, dust or any other dry contaminant.

Struts can be wet cleaned by applying alcoholic solvent.

Levers can be cleaned using a mineral spirit.

Metallic plates can be cleaned using water based solution or water.

A. moisture content around the anodes. Routine monitoring of a cathodic protection system usually does NOT include moisture content around the anodes.

Routine monitoring of a cathodic protection system typically includes measuring the structure-to-electrolyte potentials, monitoring the rectifier voltage and current output, and ensuring interference control bond current. However, measuring the moisture content around the anodes is not typically part of the routine monitoring process. This is because the anodes are designed to operate in a moist environment, and their effectiveness is based on their ability to corrode in the electrolyte. Instead, the focus is on monitoring the performance of the system in terms of its ability to protect the structure from corrosion, which is achieved through the other monitoring methods mentioned above.

learn more about system here:

https://brainly.com/question/30146762

#SPJ11

Answer:

89375 N

Explanation:

Rearrange the formula for normal stress for F:

\(\sigma=\frac{F}{A}\)

\(F=\sigma*A\)

Convert given values to base units:

275 MPa = \(275*10^{6}\) Pa

325 \(mm^{2}\) = 0.000325 \(m^{2}\)

Substituting in given values:

F = \((275*10^{6})*(0.000325)=89375\) N

Answer:

i think its called leggings thats wut my shop teacher told me

Explanation:

Using the knowledge of computational language in C++ it is possible to write a code that user-input value is the number of nodes in the linked list

#include "MileageTrackerNode.h"

#include <string>

#include <iostream>

using namespace std;

int main(int argc, char *argv[]) {

   // References for MileageTrackerNode objects

   MileageTrackerNode *headNode;

   MileageTrackerNode *currNode;

   MileageTrackerNode *lastNode;

   double miles;

   string date;

   // Front of nodes list

   headNode = new MileageTrackerNode();

   lastNode = headNode;

   // Read in the number of nodes

   int no_nodes;

   cin >> no_nodes;

   // For the read in number of nodes, read in data and insert into the linked list

   MileageTrackerNode *tail = headNode;

   for (int i = 0; i < no_nodes; ++i) {

       double milesInit;

       cin >> milesInit;

       cin >> date;

       MileageTrackerNode *newNode = new MileageTrackerNode(milesInit, date, nullptr);

       tail->InsertAfter(newNode);

       tail = newNode;

   }

   // Call the PrintNodeData() method to print the entire linked list

   MileageTrackerNode *cur = headNode->GetNext();

   while (cur != nullptr) {

       cur->PrintNodeData();

       cur = cur->GetNext();

   }

   // MileageTrackerNode Destructor deletes all following nodes

   delete headNode;

}

See more about C++ at brainly.com/question/12975450

#SPJ1

Answer:

Each of the metal specimens HAS an indentation near the center to ensure that the fracture point would occur in this region. Tension tests WERE CONDUCTED as follows. Two pieces of reflective tape WERE PLACED approximately 1 inch apart in the center of the specimen where the indentation 4 WAS LOCATED. The width and the thickness of the specimen at this location WAS MEASURED using a Vernier caliper. Then the specimen WAS SECURED in the MTS Load Frame. A laser extensometer WAS PLACED into position to measure the deformation of the specimen. The laser extensometer WAS USED to measure the original distance between the pieces of reflective tape. The MTS WAS SET to elongate the specimen one tenth of an inch every minute.

Answer:Falling or flying objects on a worksite can expose workers to relatively minor injuries, such as cuts and abrasions, as well as more serious injuries, such as concussions or blindness. Working beneath scaffolds or other areas where overhead work is being performed puts workers at risk from falling objects. Flying objects become a concern when workers are using power tools or performing tasks that involve pushing, pulling or prying.

Explanation:General

Always wear hard hats when work is being performed overhead or when other work conditions call for it.

Stack materials securely to prevent them from sliding, falling or collapsing.

Overhead work

Secure all tools and materials to prevent them from falling on people below.

Use toe boards or guardrails on scaffolds to prevent objects from falling. Alternately, use debris nets or catch platforms to grab falling objects.

Machine use

When working with machines or power tools that can produce flying particles, wear safety glasses, goggles or face shields.

Inspect tools prior to use, and be sure all guards are in place and in good working condition.

Allow only properly trained workers to use power-actuated tools.

Cranes/hoists

Whenever possible, avoid working under moving loads.

Erect barricades and post warning signs at hazardous work zones.

Inspect cranes and hoists prior to use to ensure all components are in good working order, including wire rope, lifting hooks and chains.

Never exceed the lifting capacity of cranes and hoists.

Compressed air

Reduce compressed air for cleaning to 30 psi, and always use proper personal protective equipment and guarding.

Never clean clothing with compressed air.

Based on my   observations,Engine A appears to be more fuel efficient than Engine B. Engine A consistently consumed less fuel per unit of distance traveled compared to Engine B.

An engine simulator could help aircraft designers by providing a virtual environment to test and evaluate different engine configurations.

Designers can simulate various scenarios, measure fuel consumption, and optimize engine performance without the need for physical prototypes. This enables faster and more cost-effective development of fuel-efficient engines for aircraft.

Learn more about engines at:

https://brainly.com/question/27846200

#SPJ4

Answer:

The demand curve is the graphical representation of the relationship between the price of a good and the quantity demanded for a given period of time.

A demand schedule is a table which shows the quantity demanded of a good or service at different price levels.

A demand schedule can be graphed as a continuous demand curve on a chart where the Y-axis represents the price and the X-axis represents quantity.

Here, a typical representation, the price will appear on the left vertical axis, the quantity demanded on the horizontal axis.

Note that the complete information wasn't found and an overview was given.

Learn more about demand on:

https://brainly.com/question/1245771

#SPJ1

ᴄᴏᴍᴘʟᴇᴛᴇɴᴇꜱꜱ ᴍᴇᴀɴꜱ ᴛʜᴇ ꜱᴛᴀᴛᴇ ᴏꜰ ʙᴇɪɴɢ ᴄᴏᴍᴘʟᴇᴛᴇ ᴀɴᴅ ᴇɴᴛɪʀᴇ; ʜᴀᴠɪɴɢ ᴇᴠᴇʀʏᴛʜɪɴɢ ᴛʜᴀᴛ ɪꜱ ɴᴇᴇᴅᴇᴅ.

ʙᴇᴀᴜᴛʏ ᴍᴇᴀɴꜱ combination of qualities, such as shape, colour, or form, that pleases the aesthetic senses, especially the sight.

Tall towers on a suspension bridge are crucial for ensuring stable equilibrium due to the inherent design and structural mechanics of such bridges.

Suspension bridges, renowned for their distinctive features, showcase a suspended roadway and main cables that shoulder the weight and load-bearing responsibilities. The towering structures, also referred to as pylons or piers, rise skyward to fulfill their indispensable role as vertical supports for the primary cables.

The fundamental need for towering structures is rooted in the imperative requirement for ample vertical clearance between the suspended roadway and the surface beneath, be it water or land.

Find out more on suspension bridges at https://brainly.com/question/13199685

#SPJ4

Answer:

####################################

Explanation:

##########################################
###########################
####################################
####################

###############################################
###############################

###########

####################################

##########################

##################################################

It means that the gas with the lowest molecular weight will have the highest effusion rate.

The given gases' effusion rates are listed in order from highest to lowest. The effusion rate of a hydrogen molecule is the highest, whereas that of a hydrocarbon is the lowest.

A gas will effuse faster when it is lighter and more slowly when it is heavier. Helium (He) will have the highest rate of effusion since it has the lowest molecular weight (atomic weight, in this example).

The following equation can be used to compare the rate of effusion for two gases: The effusion rates in this case are inversely related to the square root of the gas molecules' masses. A container contains an amalgam of neon and argon gas.

To learn more about rate of effusion is refer to:

https://brainly.com/question/28747259

#SPJ4

a) The cdf of Y is the same as the cdf of X.

b) The pdf of Y is the same as the pdf of X.

c) The pdf of Y is also an even function of y.

(a) To find the cumulative distribution function (cdf) of Y, we need to use the definition:
Fy(y) = P(Y ≤ y)
Since Y = X, we can rewrite this as:
Fy(y) = P(X ≤ y)
This is just the cdf of X, which we'll call Fx(x):
Fy(y) = Fx(y)
So the cdf of Y is the same as the cdf of X.

(b) To find the probability density function (pdf) of Y from the cdf of Y, we need to take the derivative of the cdf:
fy(y) = d/dy Fy(y)
But we already know that Fy(y) = Fx(y), so we can just differentiate the cdf of X:
fy(y) = d/dy Fx(y)
This is just the pdf of X, which we'll call fx(x):
fy(y) = fx(y)
So the pdf of Y is the same as the pdf of X.

(c) If fx(x) is an even function of x, then we know that:
fx(-x) = fx(x)
This means that the pdf of X is symmetric about the y-axis. But since Y = X, this also means that the pdf of Y is symmetric about the y-axis:
fy(-y) = fy(y)
So the pdf of Y is also an even function of y.

learn more about "probability density function" at: https://brainly.com/question/30403935

#SPJ11

Answer:

The distributions of solid wastes produced daily at a commercial facility are normally distributed with a mean of 10 yd3 and a standard deviation of 7 yd3. If you were to make a container size recommendation for this facility, what size would you propose? What important tradeoffs should be considered when selecting the size of the container?

It's quite perplexing to determine the perfect size of container for a facility whose waste quantity varies and is subject to changes frequently. A certain degree of burstiness is present in the distribution of solid waste generated on a daily basis in a commercial facility. However, using the available mean and standard deviation values, we can infer that a container size of 24 yd3 should be sufficient to hold the daily waste generated, considering that it's two standard deviations above the mean.

When selecting a container size, various tradeoffs must be considered. A large container is more efficient, as it would not require to be emptied as frequently, but it might be expensive and may take up more space. A smaller container may be less expensive and take up less space, but it would need to be emptied more frequently, which can result in higher transportation costs and more time spent on waste management. It is therefore essential to strike a balance between the frequency of emptying and the container size to ensure that the waste is managed effectively and efficiently.

Irreversibilities present in an internal combustion engine include: friction. heat transfer. chemical reaction.

A system's internal irreversibilities are  been seen in the system however the External irreversibilities are those that take place outside of the body.

It should be noted that the overall entropy, can be seen as the sum of the system and its reservoir,  which can be positive, hence physical process is said to be thermodynamically irreversible.

Learn more about internal combustion at;

https://brainly.com/question/2836941

#SPJ4

Explanation:

1. This memory can be programmed by the user instead of at the factory and is read-only. - A. PROM. (PROGRAMMABLE MEMORY)

2. This memory is not only nonvolatile but also can be erased by an electrical signal 1 byte at a time. - E. EEPROM (ELECTRICALLY ERASABLE PROGRAMMABLE MEMORY)

3. The contents of this memory are programmed one time when manufactured and are nonvolatile. A. RAM

4. This memory can be read from and written to and is used by microcontrollers for variable data storage.  B. ROM (RANDOM ACCESS MEMORY)

5. This memory is quite similar to the one described in 2. But allows for faster data access in blocks. F. FLASH

6. The contents of this memory will persist when the power is removed, but only UV can erase them. D. EPROM (ERASABLE PROGRAMMABLE MEMORY)

Juice bottling plants use a pneumatic system to transfer, fill, and package juice bottles in a more efficient and precise manner. A pneumatic system uses compressed air or gas to transfer, move, or power machinery or equipment.

The types of pneumatic systems that are typically used in a juice bottling plant are air compressors, pneumatic cylinders, valves, and vacuum pumps.There are many different types of pneumatic systems that could be used in a juice bottling plant. For example, a pneumatic cylinder might be used to control the movement of a filling nozzle during the juice filling process. A vacuum pump could be used to transfer juice from one container to another or to fill bottles with juice. Valves are used to control the flow of compressed air or gas in a pneumatic system, and they can be used to turn pneumatic components on and off.In conclusion, a pneumatic system is used in a juice bottling plant to transfer, fill, and package juice bottles efficiently and precisely. Air compressors, pneumatic cylinders, valves, and vacuum pumps are the types of pneumatic systems that are typically used in a juice bottling plant. These pneumatic systems work together to ensure that the juice bottling process is efficient, consistent, and accurate.

To know more about pneumatic system visit :

https://brainly.com/question/29680941

#SPJ11