Answer:
Drive
Explanation:
Drive is a great example
What is a two stroke engine and what is a four stroke engine, please keep the definitions as simple as can be and please explain the processes for each.
Make sure to also decsribe the strokes for each engine and
where it takes place in the engine.
Lastly, give some characteristics of the engines like which one gets hot faster
or which one is quieter or slower, etc.
This question is worth 65 points.
Answer:
A two-stroke engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston during only one crankshaft revolution.
A four-stroke engine is an internal combustion engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direction.
process for two stroke engine
This is in contrast to a "four-stroke engine", which requires four strokes of the piston to complete a power cycle during two crankshaft revolutions.In a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke happen simultaneously, with the intake and exhaust (or scavenging) functions occurring at the same time.Two-stroke engines often have a high power-to-weight ratio, power being available in a narrow range of rotational speeds called the "power band". Compared to four-stroke engines, two-stroke engines have a greatly reduced number of moving parts.
process for four stroke engine
A stroke refers to the full travel of the piston along the cylinder, in either direction. The four separate strokes are termed:
Intake: Also known as induction or suction. This stroke of the piston begins at top dead center (T.D.C.) and ends at bottom dead center (B.D.C.). In this stroke the intake valve must be in the open position while the piston pulls an air-fuel mixture into the cylinder by producing vacuum pressure into the cylinder through its downward motion. The piston is moving down as air is being sucked in by the downward motion against the piston.
Compression: This stroke begins at B.D.C, or just at the end of the suction stroke, and ends at T.D.C. In this stroke the piston compresses the air-fuel mixture in preparation for ignition during the power stroke (below). Both the intake and exhaust valves are closed during this stage.
Combustion: Also known as power or ignition. This is the start of the second revolution of the four stroke cycle. At this point the crankshaft has completed a full 360 degree revolution. While the piston is at T.D.C. (the end of the compression stroke) the compressed air-fuel mixture is ignited by a spark plug (in a gasoline engine) or by heat generated by high compression (diesel engines), forcefully returning the piston to B.D.C. This stroke produces mechanical work from the engine to turn the crankshaft.
Exhaust: Also known as outlet. During the exhaust stroke, the piston, once again, returns from B.D.C. to T.D.C. while the exhaust valve is open. This action expels the spent air-fuel mixture through the exhaust valve.
characteristics of two stroke and four stroke engines (which one gets hotter)
Since there are twice as many power strokes during the operation of a two-stroke engine as there are during the operation of a four-stroke engine, the engine tends to heat up more, and thus is likely to have a shorter life. Also, in the two-stroke engine lubricating oil must be mixed with the fuel.
Answer:
What is a two stroke engine and what is a four stroke engine, please keep the definitions as simple as can be and please explain the processes for each.
Match the benefit of full synthetic oil with engine conditions: All engines exhibit wear over time.
Answer:
Inside the following section, certain advantages or perhaps the benefits of full synthetic oil are listed.
Explanation:
There seem to be a variety of possible reasons why it would be safer for synthetic oil. Even though synthetic oil becomes largely man-made, there's also a lot of fantastic monitoring over all of the chemical or oil composition. This would have additional advantages for your engine because synthetic oil could be combined with various additives to improve the performance as well as sanitation of each fuel.Types of technology include:
A specialized machinery.
B medical equipment.
C electronics.
D All of these choices are correct.
3. Which of the following is an example of qualitative data?
mass
length
number of items
color
Answer:
Number of Items
Which of the following factors does not promote safety in the shop?
Staying healthy in mind and body.
Becoming well trained in the required job or task.
Having a good attitude toward safety and safety rules.
Thinking about pleasant things to pass the time.
Which of the following is a feature control frame typically used to identify?
A. Dimension lines
B. Extension lines
C. Features of size
D. Measurement equipment
Answer:
C. Feature size
Explanation:
When using bits to represent fractions of a number, can you create all possible fractions? Why or why not?
Answer:
no
Explanation:
There are an infinite number of fractions. You cannot create all possible fractions with a finite number of bits.
15
Select the correct answer.
Which system couples the output to the input?
O A.
open system
OB.
closed system
O c.
open-loop system
OD
closed-loop system
O E.
alternating open- and closed-loop system
Reset
Next
Answer:
b
Explanation:
a Miliamp is equal to one millionth(1/1000000) of an amp
(for mechanic class)
Answer:
dsjfpefjejfpoek
Explanation:
fpoiewjfpoewpewofkwpeo
Which investigative process is most helpful for learning about past societies?
using historical inquiry
collecting artifacts
using the scientific method
studying foreign languages
Answer: collecting artifacts
Explanation: it gives us a small piece of their life and from this we can infer what they did with it and how it functions in their society and intern about there society
How many extra supports does it take to make a square truss stable?
Answer:
4
Explanation:
When Andrew began doing more residential home inspections than commercial building inspections, he found that his knowledge transferred well when he inspected residential structures that had formerly served some sort of commercial purpose, such as an old factory that had been converted into an apartment building. He had a lot to learn, however, when inspecting residential structures that had been built as homes from the beginning. What is the most likely factor contributing to Andrew’s existing knowledge of building inspection?
whether the structure has served different purposes
how old the structure is
whether the structure has ever served a commercial purpose
how large the structure is
Answer:
what are the answers
Explanation:
Answer:
whether the structure has ever served a commercial purpose
Explanation:
Becuase I passed.
The parts of a feature control frame are the tolerance value, the datum references, and the
A. Dimension
B. Datum
C. Geometric tolerance symbol
D. None of the above
Answer:
d
Explanation:
The minimum safe working distance from exposed electrical conductors
a. is unlimited
b is at least 2 feet
с. depends on the amount of voltage
d. only a few inches
e. depends on the type of PPE you are wearing
Answer:
The minimum distance for safety from exposed electrical conductor depends on the voltage.
Explanation:
Electric charges leak from the electric conductor when voltage across the conductor is increased.
For safety, the distance which once should maintain depends on the voltage on which the conductor is working.
For general purposes, it is assumed to be safe when one is about 2 feet distant from the conductor.
Therefore, the correct answer should be c. depends on the amount of voltage.
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digital leaders are people who __ others down a particular path.
Answer:
Digital leaders are people who guide others down a particular path.
Answer:guide
Explanation:
Guide
Sean is researching how to harness energy from the power created by the waves brought in by the tides. What do engineers need to develop before this can be fully accomplished
Answer:
Engineers must be able to store energy.
Explanation:
Calculate the conductance of a 4.7 ohm resistor
Answer:
0.213 S
Explanation:
To calculate the conductance of an electrical component, in this case, a resistor, simply divide 4.7 into 1.
Conductance = 1 / 4.7 ohms
Conductance = 0.213 S
Cheers.
Analyse what effect the building of an airport may have on the decision of how to use an area of land nearby. (6)
Once a design is final, an engineer needs a plan for product ?
Answer:maintenance
Explanation:
Once the designers final an engineer needs a plan for product maintenance
Which option can result from a lack of stable social and professional bonds?
OA
a routine, structured life
OB.
an unstructured, chaotic life
Ос.
an adventurous life
OD
an interesting life
Answer:
OB.
an unstructured, chaotic life
Explanation:
When exchanging information with anyone involved in the collision, you should _____.
A. only give them what they ask for
B. give them your passport first
C. give them your name, address, and vehicle registration number, as well as show your driver license
D. not give them your information because they could use it against you
Answer:
its c
Explanation:
i took the test
Answer:
C. give them your name, address, and vehicle registration number, as well as show your driver license
Explanation:
When exchanging information with anyone involved in the collision, you should give them your name, address, and vehicle registration number, as well as show your driver license.
Speed in delivering products is NOT as important as the other critical success objectives
for manufacturers. Is this statement TRUE or FALSE?
Disadvantage of metal
help ASAP.......?....?
When do design engineers start on the design improvement step?
Answer:
as soon as there is a design to improve
Explanation:
As a design engineer, I started on the "design improvement" step as soon as I had an initial conceptual design.
__
Then, I started that step again when my boss told me, "make it better."
_____
The more interesting question is, "when do you stop the design improvement step?" (Judging by the constant barrage of software updates, that answer is, "never.")
What is the purpose of a presentation model? to fabricate a prototype to test the efficiency of the manufacturing process to test the functionality of essential design features to test how easy the product is for the consumer to use and understand
Answer:
Presentation Model is a pattern that pulls presentation behavior from a view. As such it's an alternative to Supervising Controller and Passive View.
Explanation:
__________ batteries are used to power radios, watches, and cell phones.
Answer:
Dry-cell
Explanation:
"Rechargeable" batteries are the right answer. A further explanation is provided below.
An energy storage mechanism, which could be recharged once the DC power has been depleted, is considered a Rechargeable battery.Enable various cell applications, reduce waste as well as overall provide superior long-term investments as regards government expenditure on functional devices.Thus the above is the right answer.
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Which type of the following types of hammers is a welder is likely to have in his or her
toolbox?
Answer: ball peen
plz mark brainliest
The type of hammer that a welder is likely to have in the tool box would be the ball pen hammer.
Who is a welder of metals ?A welder is known as an individual that is trained to handle and work with different types of metals both in the field of moulding and welding of the metals.
The most important tool that should be in the kit of these welders is the ball pen which is the type of hammer that is used for striking nails and chisels (usually performed with the flat face of the hammer).
Learn more about metal here:
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#SPJ2
(5x - 5)°
(2x + 10)°
Find the value of x.
Answer: you mean this (5x-5)=(2x+10)right ? if yes X=5
Explanation:
10. A long 2 x 4 with a 3" standoff block nailed to each end is used as a
0 points
a. wall brace
b. straightedge
C. gauge block
d. trimmer stud
Answer:
straightedge
Explanation:
It is used for drawing straight lines or checking their straightness
