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alex41 [277]
3 years ago
11

11. Which of the following is the brake fluid most often used?

Engineering
2 answers:
Olenka [21]3 years ago
4 0
Dot 3 is mostly used in a lot of v4 and v6
Nadya [2.5K]3 years ago
4 0

Answer:

B. DOT 3

Explanation:

The braking system of a vehicle uses hydraulic power generated by a master cylinder to activate the four-wheel brake assemblies.  The hydraulic power is transmitted throughout the brake system via brake fluid.  Brake fluid is made from  a silicone based or glycol based product.  .The three classes of brake fluid commonly used in modern automobiles are as follows:

DOT 3, DOT 4, and DOT 5. DOT stands for

Department of Transportation specification grades; the increasing numbers corresponds to increasing boiling point. DOT 3 and DOT 4 are glycol based, and  DOT 3 most commonly used in disc brake systems. The glycol base is hygroscopic means it attract water from the environment.

brake fluid should be disposed properly. it should not be exposed to fire as this mit pose a ue fire hazard. t shouldn't be thrown into septic tanks.

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Discuss the impact of the changing urban center. Include the impacts on political, economic, and social roles and opportunities.
KengaRu [80]

Answer:

The 21st century world have been earmarked with great influx of people to the urban centre,the notion of gender equality and female education have also made most traditional roles in the family changing.Before now,wives we're known for their full independence on their husband who is considered the bread winner.

Inspite of the growth of of the urban centre the availability of resources have dwindled,resulting in the surge of unemployment in many urban centre,the political entity of the society which is the government have serious challenging in managing the various threat posed by overpopulation, unemployment results in the decrease of standard of living of person and family,to cater for this family have to change their roles,wives now work to support the husband.

Explanation:

6 0
3 years ago
A heat engine that receives heat from a furnace at 1200°C and rejects waste heat to a river at 20°C has a thermal efficiency of
viktelen [127]

Answer:

second-law efficiency  = 62.42 %

Explanation:

given data

temperature T1 = 1200°C = 1473 K

temperature T2 = 20°C  =  293 K

thermal efficiency η = 50 percent

solution

as we know that thermal efficiency of reversible heat engine between same  temp reservoir

so here

efficiency ( reversible ) η1 = 1 - \frac{T2}{T1}      ............1

efficiency ( reversible ) η1  = 1 - \frac{293}{1473}  

so efficiency ( reversible ) η1  = 0.801

so here second-law efficiency of this power plant is

second-law efficiency = \frac{thernal\ efficiency}{0.801}

second-law efficiency = \frac{50}{0.801}  

second-law efficiency  = 62.42 %

3 0
3 years ago
A furniture manufacturer purchases a drill press machine enabled with 5G and edge computing capabilities to keep the machine ope
Andreas93 [3]

A lot of manufacturer often uses 5G machines. How these capabilities could help improve safety of the operators is that it does includes an emergency switch for the operator so that one can manually shut off when needed.

<h3>Edge computing with 5G</h3>

  • The edge computing along with 5G network and IoT devices can help put together  different safety features and limitations and on can use them to known the unsafe action and also data can be communicated.

Edge computing when use with 5G produces good opportunities in all industry. It is known to help bring computation and data storage close to where data is been produced and it enable good data control, reduced costs, etc.

Learn more about 5G network from

brainly.com/question/24664177

8 0
2 years ago
How to study thermodynamics?​
expeople1 [14]

It is study of the relationships between heat, temprature, work and energy

7 0
3 years ago
Read 2 more answers
A heavy ball with a weight of 150 N is hung from the ceiling of a lecture hall on a 4.0-m-long rope. The ball is pulled to one s
shusha [124]

Answer:

The tension in the rope at the lowest point is 270 N

Explanation:

Given;

weight of the ball, W = 150 N

length of the rope, r = 4 m

velocity of the ball, v = 5.6 m/s

When the ball passes through the lowest point, the tension on the rope is the sum of weight of the ball and centripetal force.

T = W + F

Centripetal force, F = mv²/r

where;

m is the mass of the ball

m = W/g

m = 150 / 9.8 = 15.306 kg

Centripetal force, F = mv²/r

F = (15.306 x 5.6²)/4

F = 120 N

T = W + F

T = 150 + 120

T = 270 N

Therefore, the tension in the rope at the lowest point is 270 N

6 0
3 years ago
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