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Why efficiency curve first increases than decreases after reaching a maximum value?
The efficiency curve typically increases at first because as output increases, fixed costs are spread over more units, leading to greater efficiency. However, after reaching a certain point, diminishing returns set in as additional output causes production costs to rise due to factors like resource constraints or increased complexity, resulting in a decrease in efficiency.
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What relationship of temperature and density of air and water?
As temperature increases, the density of air decreases because the air molecules move further apart. In contrast, as water temperature increases, its density decreases until it reaches its maximum density at around 4 degrees Celsius, after which it decreases. This unique behavior of water is due to its hydrogen bonding and is the reason why ice floats on water.
What is the relationship between potential energy and kinetic energy for a roller coaster?
Potential energy is highest at the top of a roller coaster when the cart has the highest elevation. As the cart descends, potential energy is converted into kinetic energy, reaching its maximum at the bottom. The relationship between potential and kinetic energy is a transfer of energy, as one decreases while the other increases.
How does relative humidity vary with changes in temperature?
Relative humidity is the amount of water vapor in the air compared to the maximum amount the air can hold at a given temperature. As temperature increases, the air can hold more water vapor, so relative humidity decreases. Conversely, as temperature decreases, the air can hold less water vapor, so relative humidity increases.
What is the formula of efficiency?
Efficiency is typically calculated as the ratio of actual output to maximum possible output, expressed as a percentage. The formula for efficiency is: Efficiency = (Actual output / Maximum possible output) * 100%.
How does angle effect force of friction?
The force of friction between two surfaces increases as the angle between the surfaces increases, up to a certain point. This is because the component of the force perpendicular to the surfaces (normal force) increases as the angle increases, which in turn increases the maximum force of static friction that can be applied. Beyond a certain angle, the force of friction decreases due to the decreasing normal force.
Why does the temperature of a reaction increases reaches a maximum and then decreases?
The maximum temperature is attained when the reaction is completed.
How are potential energy and kinetic energy transferred on the first hill of a roller coaster?
At the top of the first hill, PE is at its maximum, whereas KE is zero. When the train starts to fall down the first hill, PE decreases and KE increases. At the bottom of the hill, KE is at its maximum, and PE is zero.
When is the speed of a fluid maximum in a venturi meter?
from the continuity equation A1v1 = A2v2 according to the continuity equation as the area decreases the velocity of the flow of the liquid increases and hence maximum velocity can be obtained at its throat
What is the copay amount after reaching the out of pocket maximum?
The copay amount is typically 0 after reaching the out-of-pocket maximum.
How is the law of diminishing returns reflected in the shape of the total product curve?
The total product curve increases rapidly reaching a peak at a specific amount and then decreases slowly as the x axis is traversed. This decreasing function demonstrates that there is a maximum amount of effort (labor or monetary) that can be applied before the overall results suffer.
What relationship of temperature and density of air and water?
As temperature increases, the density of air decreases because the air molecules move further apart. In contrast, as water temperature increases, its density decreases until it reaches its maximum density at around 4 degrees Celsius, after which it decreases. This unique behavior of water is due to its hydrogen bonding and is the reason why ice floats on water.
Does coinsurance apply after reaching the maximum out-of-pocket limit?
No, coinsurance typically does not apply after reaching the maximum out-of-pocket limit.
When is the efficiency maximum in a transformer?
the efficiency is maximum in a transformer when no load loss is equal to load loss.
Why are distribution transformers frequently designed to develop maximum efficiency at loads that are somewhat lower than rated value?
It is always desirable to run any equipment or device at maximum efficiency for that matter, not only the power transformer. Power transformer maximum efficiency occurs when copper loss is equal to iron loss. (or no load loss equals to load loss). This does not necessariliy mean that maximum efficiency occurs at maximum or full load. Generally the maximum efficiency occurs at relatively less than full load of the transformer.
Are the number of sunspots on the sun's surface always the same?
No, sunspot activity increases and decreases. Scientists have observed that the level of sunspot activity follows a cycle of about 11 years (11 years from maximum to maximum and 11 years from minimum to minimum).
Why does density of water below 0 degree Celsius first decreases then increases?
First decreases then increases ... as what changes, exactly? The point of maximum density for liquid water occurs at 3.98 degrees Celsius. This is mainly due to some semi-complicated effects from hydrogen bonding, which is stronger in water than in nearly any other substance.
Do I still need to pay a copay after reaching my out-of-pocket maximum?
After reaching your out-of-pocket maximum, you typically do not need to pay a copay for covered services.
