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What is the relation ship between air -to-air heat pumps heating capacity and outside air temperature?
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The specific heat capacity of a liquid by an electrical heating method?
determination of specific heat capacity of liquid by method of electrical heating
The amount spent on heating depends on the temperature?
Amount (temperature) or A(t)
Why isn't the thermometer's bulb made of metal?
Metal has a high co-efficient of expansion and would show the wrong temperature by expanding to give more volume in relation to glass on heating and opposite effect when cooling
When heating two substance with same heat the temperature raises on two substance are different why?
Each substance has a different heat capacity, which means they need different amounts of energy to change temperature by the same amount (for a given mass). If the same amount of energy is input, then the temperature difference will also be different.
Why is the temperature of air taken in shade?
To measure true air temperature, not an elevated temperature from direct solar heating.
Why do you use mercury in thermometers if it is not a good conductor of heat?
- mercury is a liquid metal - cooling and heating are easy reversible - cooling and heating are rapid - the relation between the temperature and the thermal expansion of mercury is linear
Relation between melting temperature and sintering temperature?
The idea of sintering is heating a powder until it is hot enough to stick to itself, then reshaping it and letting it set. The temperature used is always lower than the melting point of the material.
What is difference between heating things and burning things?
Heating is basically warming something at a lower temperature and burning is heating something at a high temperature.
What curve shows the relationship between temperature and time?
heating
What does DOE heating capacity MBH oil fired heating boilers mean?
The DOE heating capacity MBH oil fired heating boiler refers to the heating capacity of the boiler. The DOE is one of the best boilers in the market.
How is heating related to a substance's temperature?
As an object is heated, the rate of increase in temperature is proportional to the rate of heat added. The proportionality is called the heat capacity. Because the heat capacity is actually a function of temperature in real materials, the total amount of energy added will be equal to the integral of the heat capacity function over the interval from the initial temperature to the final temperature. If you just assume an average heat capacity over the temperature range, then the rise in temperature will be exactly proportional to the amount of heat added.
How many watts to raise temperature of a room by 1 degree c?
Depends on the size of the room (its thermal capacity) and the efficiency of the heating.
How is heating related to a substance?
As an object is heated, the rate of increase in temperature is proportional to the rate of heat added. The proportionality is called the heat capacity. Because the heat capacity is actually a function of temperature in real materials, the total amount of energy added will be equal to the integral of the heat capacity function over the interval from the initial temperature to the final temperature. If you just assume an average heat capacity over the temperature range, then the rise in temperature will be exactly proportional to the amount of heat added.
When would you use a cocurrent flow heat exchanger over a countercurrent flow?
When high temperatures may damage a heated fluid and heating requirements are low enough that can be met by the heating media temperature. Cocurrent flow heat transfer has lower heating (or cooling) capacity than counterflow and there is a theoretical cocurrent flow temperature limit achievable which is lower in heating (or higher in cooling) than the temperature achievable in counterflow.
The specific heat capacity of a liquid by an electrical heating method?
determination of specific heat capacity of liquid by method of electrical heating
When should you turn on emergency heat on a heat pump?
Usually, you will notice diminished heating capacity from your system, and the out side temperature is dropping below the average temperature your heat-pump operates at. This is the time to activate your emergency heat.
What is the melting temperature of epoxy resin?
Specific heat capacity of epoxy resin depends on chemical structure of epoxy resin and range of temperature of measurements. Usually at 25 deg.C specific heat capacity of epoxy resins is 0.8-1.2 kJ/(kg*K). The specific capacity is growing with temperature, roughly increasing 1.5 times by 100 deg.C.
