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What is the sSensor in Mercury-in-glass thermometer?
The sensor in a mercury-in-glass thermometer is the glass bulb at the base of the thermometer containing the mercury. The temperature is measured by the expansion or contraction of the mercury based on the surrounding temperature, allowing the thermometer to provide a temperature reading.
Why in a clinical thermometer the bulb is not quite full of mercury at room temperature?
In a clinical thermometer, the bulb is not completely full of mercury at room temperature to allow for the expansion of the mercury when it is heated. This design ensures that the mercury can rise freely in the narrow capillary tube without any obstruction, providing an accurate reading of the temperature. Additionally, the small air pocket in the bulb prevents the mercury from spilling and enables it to return to its original position after the thermometer is removed from the heat source.
What happen to the mercury when the bulb placed in hot water?
When a thermometer bulb containing mercury is placed in hot water, the mercury inside expands, causing the level of mercury to rise. This expansion of mercury is used to measure the increase in temperature accurately.
How does the kink in a mercury or alcohol work in a clinical thermometer?
The kink in a mercury or alcohol clinical thermometer helps to prevent the mercury or alcohol from flowing back into the bulb once the thermometer is removed from a patient's body. This ensures that the maximum temperature reached during measurement is retained for reading.
Why is the bulb of a thermometer the most important part of a liquid thermometer?
you can use two main liquid substances in a bulb of a thermometer - the one i can remember -alchol-another one i am almost certain of -mercury- i am sorry if the later one is incorrect -if you do know the awnser i would appecheate if you conferm it for me .Remember you do not need to be a member or do anything to write an awnser .
What will happen if you hold a mercury thermometer from its bulb?
If you hold a mercury thermometer from its bulb, the heat from your hand can cause the mercury to expand and rise in the tube, giving an inaccurate reading. Additionally, mercury is toxic, so it is not safe to handle a broken thermometer. Always handle thermometers by the plastic casing to avoid these issues.
What is a thermometer base called?
The base of a thermometer is called the bulb. It is typically a small, glass reservoir at the bottom of the thermometer where the liquid or mercury expands and contracts with changes in temperature.
What is the sSensor in Mercury-in-glass thermometer?
The sensor in a mercury-in-glass thermometer is the glass bulb at the base of the thermometer containing the mercury. The temperature is measured by the expansion or contraction of the mercury based on the surrounding temperature, allowing the thermometer to provide a temperature reading.
What is the use of the constriction In the thermometer?
It prevents the Mercury from flowing back into the bulb.
Why is putting a thermometer bulb in a flame a bad idea?
Putting a thermometer bulb in a flame is a bad idea because the intense heat of the flame can cause the glass to shatter, releasing toxic mercury vapor into the air. This can be harmful to your health and the environment. It can also damage the thermometer and make it inaccurate.
What is a glass bulb of a thermometer?
A glass bulb of a thermometer is the part at the bottom of the thermometer that contains mercury or colored alcohol that expands and contracts with temperature changes. This expansion and contraction of the liquid is what causes the thermometer to measure and display the temperature.
Why does mercury thermometer have a bulb if very thin glass wall?
The bulb of a mercury thermometer is designed to contain a small volume of mercury that expands and contracts with temperature changes. The thin glass wall allows for efficient heat transfer between the bulb and the surrounding environment, ensuring accurate temperature measurements.
Why in a clinical thermometer the bulb is not quite full of mercury at room temperature?
In a clinical thermometer, the bulb is not completely full of mercury at room temperature to allow for the expansion of the mercury when it is heated. This design ensures that the mercury can rise freely in the narrow capillary tube without any obstruction, providing an accurate reading of the temperature. Additionally, the small air pocket in the bulb prevents the mercury from spilling and enables it to return to its original position after the thermometer is removed from the heat source.
What is the difference between a bulb thermometer and a electronic thermometer?
A bulb thermometer uses a liquid (usually mercury) inside a glass tube to measure temperature, while an electronic thermometer uses a sensor to detect temperature changes and provides a digital readout. Bulb thermometers are being phased out due to safety concerns with mercury, while electronic thermometers are more accurate and convenient to use.
What happens to the mercury in the thermometer when the air is cool?
In a mercury thermometer, the level of mercury falls as the temperature of the air around it cools.A mercury thermometer has a bulb of mercury at the bottom and a thin tube above it with markings in Celsius degrees or Fahrenheit degrees. When the temperature warms, the mercury expands and rises up the tube. When the temperature cools, the mercury contracts and shrinks back toward the bulb at the bottom.
Why is it advised not to hold the thermometer by its bulb while reading it?
Holding the thermometer by its bulb can transfer heat from your hand to the bulb, affecting the temperature reading and providing inaccurate results. It's recommended to hold the thermometer by the stem to prevent any external heat sources from interfering with the measurement.
Why is the walls of long tube above the thermometer bulb are made thick?
The walls of the long tube above the thermometer bulb are made thick to provide insulation and minimize heat transfer from the environment, ensuring that the temperature measurement at the bulb is accurate and not influenced by external temperature changes. Thicker walls also help protect the thermometer from physical damage.
