Answer:
203.0160
Explanation:
Because you add then subtract then multiply buy 7 the subtract then divide then you add that to the other numbers you got than boom
the alternating current frequency used in the United States is
A.50 cps
B.60 cps
C.120 cps
D.208 cps
Which claim does president Kennedy make in speech university rice ?
Answer: The United States must lead the space race to prevent future wars.
Explanation: Hope this helps
Answer:
The risk associated with entering the space race outweighs the possible benefits.
Explanation:
It's explaining it in the speech.
The Environmental Protection Agency (EPA) has standards and regulations that says that the lead level in soil cannot exceed the limit of 400 parts per million (ppm) in public play areas designed for children. Mike is an inspector, and he takes 50 randomly selected soil samples from a site where they are considering building a playground.
These data show a sample mean of x = 390.25 ppm and standard deviation of Sx = 30.5 ppm. Answer the following:
1. Determine the critical t value and along with the confidence interval for 95% level of
confidence. 2. What does this interval suggest?
Answer:
See below
Explanation:
Check One-Sample T-Interval Conditions
Random Sample? √
Sample Size ≥30? √
Independent? √
Population Standard Deviation Unknown? √
One-Sample T-Interval Information
Formula --> [tex]CI=\bar{x}\pm t^*(\frac{S_x}{\sqrt{n}})[/tex]Sample Mean --> [tex]\bar{x}=390.25[/tex]Critical Value --> [tex]t^*=2.0096[/tex] (given [tex]df=n-1=50-1=49[/tex] degrees of freedom at a 95% confidence level)Sample Size --> [tex]n=50[/tex]Sample Standard Deviation --> [tex]S_x=30.5[/tex]Problem 1
The critical t-value, as mentioned previously, would be [tex]t^*=2.0096[/tex], making the 95% confidence interval equal to [tex]CI=\bar{x}\pm t^*(\frac{S_x}{\sqrt{n}})=390.25\pm2.0096(\frac{30.5}{\sqrt{50}})\approx\{381.5819,398.9181\}[/tex]
This interval suggests that we are 95% confident that the true mean levels of lead in soil are between 381.5819 and 398.9181 parts per million (ppm), which satisfies the EPA's regulated maximum of 400 ppm.
As a result of the 1934 requirement that public companies’ annual financial statements be "certified…by independent public accountants," the American Institute of Certified Public Accountants (AICPA) was permitted to establish standards governing these independent audits. Over the next few decades, the AICPA changed the organization that issues pronouncements on auditing.In 1978, the AICPA established the Auditing Standards Board (ASB) as the authoritative body responsible for issuing auditing standards. In the ASB’s Operating Policies document, the Appendix contains a history of auditing standard setting by the AICPA, including the creation of the ASB.In the Appendix to the ASB’s Operating Policies, read the section describing the creation of the Auditing Standards Board. According to this document, what are the four principal objectives of auditing standards and procedures issued by the ASB?
Answer:
d
Explanation:
d
For some metal alloy, a true stress of 345 MPa (50040 psi) produces a plastic true strain of 0.02. How much will a specimen of this material elongate when a true stress of 416 MPa (60340 psi) is applied if the original length is 510 mm (20.08 in.)
Answer:
Assume a value of 0.22 for the strain-hardening exponent, n.
Explanation:
When choosing a respirator for your job, you must conduct a __ test
Answer:
It's a fit test
In a 240v, two bulb parallel circuit, what is
the total wattage of the circuit?
Answer:
As the two lamps are connected across 240 V AC supply, Total current in the circuit = 240/576 A = 5/12 A. As the circuit is purely resistive in nature, Power factor = 1.
60-amp 240-volt circuit: 60 amps x 240 volts = 14,400 watts
Hope that helps:)
For welding the most important reason to use jigs and fixtures in a welding shop is to
Answer:
Reduce manufacturing costs.
Explanation:
Hope This Helps
Have A Great Day
static electricity is the result of
Answer:
Explanation:
Static electricity is the result of an imbalance between negative and positive charges in an object. These charges can build up on the surface of an object until they find a way to be released or discharged.
In the field of construction, welding is
considered what kind of position?
A. specialty
B. common
C. widespread
Answer:
C
Explanation:
I think
The following is a series of questions pertaining to the NSPE Code of Ethics. Please indicate whether the statement are true or false. These questions are provided by the NSPE.
Engineers in public service as members, advisors or employees of a governmental or quasi-governmental body or department may participate in decisions with respect to services solicited or provided by them or their organizations in private or public engineering practice as long as such decisions do not involve technical engineering matters for which they do not posses professional competence
Geomorphic
Explanation:
Because it's pretty easy if you think of the right ways of geomorphic ways to process the equation
Once digested and the nutrients absorbed, the remaining food materials are expelled from the body by a process known as ______________.
A 75-hp motor that has an efficiency of 91.0% is worn-out and is replaced by a motor that has a high efficiency 75-hp motor that has an efficiency of 95.4%. Determine the reduction in heat gain in the room due to higher efficiency under full-load conditions (load factor
Answer:
the reduction in the heat gain is 2.8358 kW
Given that;
Shaft outpower of a motor = 75 hp = ( 75 × 746 ) = 55950 W
Efficiency of motor = 91.0% = 0.91
High Efficiency of the motor = 95.4% = 0.954
now, we know that, efficiency of motor is defined as; = /
where is the electric input given to the motor
so
= /
we substitute
= 55950 W / 0.91
= 61483.5 W
= 61.4835 kW
now, the electric input given to the motor due to increased efficiency will be;
= /
we substitute
= 55950 W / 0.954
= 58647.79 W
= 58.6477 kW
so the reduction of the heat gain of the room due to higher efficiency will be;
Q = -
we substitute
Q = 61.4835 kW - 58.6477 kW
Q = 2.8358 kW
Therefore, the reduction in the heat gain is 2.8358 kW
Explanation: i hope this answer your question if this is wrong or correct please let me know.also no trying to be rude but can you sent me like a thanks?
One ac signal of 12sin(wt) is applied to a half wave rectifier. The average or dc value of output voltage is
a)12
b)7.64V
c)6
d)3.82V
Answer:
It is either B or D
Explanation:
A plant engineer wishes to know which of two types of lightbulbs should be used to light a warehouse. The bulbs that are currently used cost $41.1 per bulb and last 14600 hours before burning out. The new bulb (at $52.3 per bulb) provides the same amount of light and consumes the same amount of energy, but it lasts twice as long. The labor cost to change a bulb is $19. The lights are on 19 hours a day, 365 days a year. (Assume that the firm's marginal tax rate is 25%.) If the firm's MARR is 16%, what is the maximum price (per bulb) the engineer should be willing to pay to switch to the new bulb? Round the service life of the old bulb to the nearest whole number.
We have that the new bulb 's Price is P is mathematically given as
P= $100.68
Bulb PriceGenerally the Arithmetic equation for the life time of new bulb is mathematically given as
life time = old bulb life / (usage per 24 x 365)
Therefore
L= 14,600 / (19 x 365)
L= 2.10 years
Where
old bulb=(2 x 45.9) (1 + 15/100)2.10 x 2 + 16
Old bulb=$181.11
After tax
tax = 181.11(1 - 40%)
tax= $108.66
Therefore
the new bulb 's Price is P
108.66 = P x (1.7986) x (0.6)
P= $100.68
For more information on Bulb visit
https://brainly.com/question/6252535
The primary winding of a 120 volt transformer has 200 turns. The secondary winding has 20 turns. What is the secondary winding voltage
Answer:
12 volts
Explanation:
The voltage ratio is equal to the turns ratio.
secondary/primary = 20/200 = v2/120
v2 = 120(20/200) = 12
The secondary winding voltage is 12 volts.
When the pressure relief valve in a system opens during work
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:
Imagine yourself as an Engineer. How would you design your own Wind Turbine to generate electricity (at least 40 watts) at your home or in some town area. Consider all the elements of the Engineering Design Process.
*Please write detailed answer*
Answer: You need metal and other stuff
Explanation:
A new lathe insert is used on a 100 mm diameter steel workpart, with the lathe going at 300 rpm the insert lasts about 321 min, but at a 100 rpm it lasts for 2010 min. What material could you assume the lathe insert is made out of?
Answer:
two unknowns (C and n) can use two equations
1) vT^n=C
2)vT^n=C
n= 0.6
C=9510
Ceramic
Explanation:
Mark brainliest.
Why is it that we park our vehicles on a driveway, but we drive our vehicles on a parkway?
Answer:
d
Explanation:
d
describe the pipe support
Answer:
A pipe support or pipe hanger is a designed element that transfer the load from a pipe to the supporting structures. ... The four main functions of a pipe support are to anchor, guide, absorb shock, and support a specified load. Pipe supports used in high or low temperature applications may contain insulation materials.
can ıget the solve of thıs questıon blease
Answer:
50
Explanation:
Aiman is 80 inches tall. How tall is Aiman in centimeters? Show your work.
First drilled to a depth of 1 47/64 how much deeper must it be drilled to reach the depth indicated?
Answer:
1 13/64
Explanation:
The depth of the hole is the height of the block less the remaining material below the hole:
depth = 1 3/8 +1 15/16 - 3/8 = (1 3/8 -3/8) +1 15/16 = 2 15/16
We want to find the difference between this depth and the depth of the hole already drilled:
2 15/16 -1 47/64 = 2 60/64 -1 47/64
= (2 -1) +(60 -47)/64 = 1 13/64
The hole must be drilled 1 13/64 deeper to match the drawing.
list five pieces of personal safety equipment which must be in everyday use in the workshop
Answer:
safety glasses, hearing protection, respirator, work gloves, and work boots.
Explanation:
please give brainliest!! <3
There are two potential fall hazards in this image. What are they?
Answer:
Lack of fall protection and Scaffold is overloaded
what is the difference between zinc and galvanized zinc
Answer:
Both zinc plating and galvanizing is an application of zinc plating. The big difference is thickness: zinc plating is normally 0.2 mils thick. Hot dip galvanizing might be 1.0 mil thick – you get over 5 times the protection with galvanizing. ... After 20 years outdoors a galvanized product will not show signs of rust.
Explanation:
hope this helps! a brainiest is always appreciated
One signal vin=0.2sin(wt) is applied to a bridge rectifier where Silicon diodes are used. The peak value of output voltage is expected to be
a)can't be estimated due to insufficient data
b)0.0
c)0.2
d)0.4
Answer:
This problem has been solved!
See the answer
7. The voltage that must be less than the breakdown voltage of the diode in order to prevent damage to the diode is the ________.
peak inverse voltage
maximum diode voltage
reverse surge voltage
maximum peak voltage
8. Assume the input signal to a rectifier circuit has a peak value of Vm = 12 V and is at a frequency of 60 Hz. Assume the output load resistance is R = 2kΩ and the ripple voltage is to be limited to Vr= 0.4 V. Determine the capacitance required to yield this specification for a (a) full-wave rectifier and (b) half-wave rectifier. Show all work.
9.A full-wave rectifier is to be designed to produce a peak output voltage of 12 V, deliver 120 mA to the load, and produce an output with a ripple of not more than 5 percent. An input line voltage of 120 V (rms), 60 Hz is available. Consider a bridge type rectifier. Specify the transformer ratio and the size of the required filter capacitor. Show all work.
Explanation:
Which company introduced the Windows operating system correct answer plz
Answer:
I think Microsoft Corporation
15. Whether technology is good or bad depends on how it is used.
(1 point)
O True
O False
Answer:
true
Explanation:
Answer:
True
Explanation:
The internet is a very useful tool, but remember there are billions of people out there who would use it for good purpose or bad ones.
