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laiz [17]
3 years ago
12

You are preparing to exit from an expressway. You should begin slowing to the posted safe

Engineering
2 answers:
wlad13 [49]3 years ago
8 0

Answer:

Your answer will be B: At least 100 feet after leaving the expressway

maria [59]3 years ago
5 0

Answer:

The answer is B. At least 100 feet after leaving the expressway.

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5 pts
Softa [21]

Answer:

Helps to accurately calculate job costs

Explanation:

please mark me as brainliest

4 0
3 years ago
A tensile specimen with a 12mm initial diameter and 50mm gage length reaches maximum load at 90KN and fractures at 70KN
Aleksandr-060686 [28]

Answer:

i) 796.18 N/mm^2

ii) 1111.11 N/mm^2

Explanation:

Initial diameter ( D ) = 12 mm

Gage Length = 50 mm

maximum load ( P ) = 90 KN

Fractures at =  70 KN

minimum diameter at fracture = 10mm

<u>Calculate the engineering stress at Maximum load and the True fracture stress</u>

<em>i) Engineering stress at maximum load = P/ A </em>

= P / \pi  \frac{D^2}{4}  = 90 * 10^3 / ( 3.14 * 12^2 ) / 4

= 90,000 / 113.04 = 796.18 N/mm^2

<em>ii) True Fracture stress =  P/A </em>

= 90 * 10^3 / ( 3.24 * 10^2) / 4

= 90000 / 81  =  1111.11 N/mm^2

3 0
2 years ago
If the middle bend of a three-bend saddle is a 30-degree bend
Anastaziya [24]

Answer:

If the middle bend of a three-bend saddle is a 30-degree bend, then what?

7 0
3 years ago
Read 2 more answers
An engineer devises a scheme for extracting some power from waste process steam. The engineer claims that the steam enters the d
loris [4]

Answer:

This device does not violate the first law of thermodynamics

Explanation:

First law of thermodynamics states that  any change in the internal energy (∆E) of a system is given by the sum of the heat (q) that flows across its boundaries and the work (w) done on the system by the surroundings:

i.e (∆E)= q + w

The operation of the device is coherent with the first law of thermodynamics because the work extracted from the steam causes a drop in the internal energy and quality of the steam. This is reflected by the drop in temperature which is from 340 F to 220 F.

This drop in temperature and quality shows that work is extracted from the total energy of the system, proving that the device obeys the first law of thermodynamics.

4 0
3 years ago
A sequential circuit has two inputs, w1and w2, and an output, z. Its function is to compare the input sequences on the two input
zavuch27 [327]

Answer / Explanation

The question is incomplete. It can be found in search engines. However, kindly find the complete question below:

A sequential circuit has two inputs w1 and w2, and an output, z. Its function is to compare the

input sequences of the two inputs. If w1=w2 during any four consecutive clock cycles, the

circuit produces z=1; otherwise, z=0.

For example

w1:0110111000110

w2:1110101000111

z:0000100001110

Draw the state diagram using the minimum number of states.

Answer:

To properly answer this question, let us first define what a sequential circuit is, and input sequence.

To start with,a Sequential circuit can be defined or described as a type of circuit system used in the digital world most importantly in the digital theory of circuits. It is a type of circuit system whose output does not only depends on present values of input signals but also involves the sequence of one or more inputs and one or more outputs of the past whose realities are related.

Input sequence: This can be refereed to as the arranged pattern in which the data or values are imputed in the circuit.

If we now refer back to the question, we have

For grading each state:

+1 for each correct transition                     = 2 total per state

+2 for each correct output                         = 2 total per state

Total for every state                                    = 4

Where the Maximum is  4*5 = 20

Hence,

If more than 5 states are used, but the logic is correct: +10 for the entire answer

Full credits for any other possible solution using 5 states.

We should also understand that : input labeled of (w1 =w2), (w1 == w2), (w1 XOR w2), 00,11 and similar also OK

We should also understand that : The solution here uses more machine. You can also use mealy machine. For mealy  machine, only 4 states are enough. If you use 5 states we don’t deduct points.

So in summary,  X = w1 XOR w2

Kindly find the required diagram below for proper clarity and understanding of the question.

5 0
3 years ago
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