Question 1

Temperature is a fundamental dimension.

Accepted Answer

Temperature is a fundamental dimension and is measured using a scale such as Celsius or Fahrenheit. It is one of the seven base units in the International System of Units (SI).

Question 2

Material properties are not a function of temperature.

Accepted Answer

Material properties can be affected by temperature, such as thermal expansion, conductivity, and strength. The behavior of materials at different temperatures is an important consideration in many engineering and scientific applications.

Question 3

Which of the following material properties varies with temperature?

Accepted Answer

All three material properties - density, viscosity, and electrical resistance - show temperature dependence. For example, density usually decreases with increasing temperature, viscosity decreases with increasing temperature, and electrical resistance usually increases with increasing temperature.

Question 4

Which of the following temperature scales is known as an absolute scale?

Accepted Answer

Both Rankine and Kelvin are absolute temperature scales, meaning they start at absolute zero, the point where all molecular motion ceases.

Question 5

Convert  to Kelvins

Accepted Answer

The answer of Convert  to Kelvins...

Question 6

What does V stand for in the following equation (ideal gas law)?

Accepted Answer

The V in the ideal gas law stands for volume. This equation relates the pressure, volume, temperature, and number of moles of a gas to each other.

Question 7

A temperature-measuring device that consists of two dissimilar metals is known as a

Accepted Answer

A temperature-measuring device that consists of two dissimilar metals is known as a thermocouple. Thermistors are temperature-measuring devices that use the property of resistance to measure temperature, not two dissimilar metals. Thermojunction is not a commonly used term. RTD stands for Resistance Temperature Detector, which uses a metal wire to measure resistance and temperature. While an RTD is also a temperature-measuring device, it does not rely on two dissimilar metals.

Question 8

The Kelvin and Rankine scales are based on the behavior of an ideal gas.

Accepted Answer

The Kelvin and Rankine scales are based on the behavior of an ideal gas, specifically the behavior of gas at absolute zero.

Question 9

A temperature-measuring device composed of a semiconductor material is known as a

Accepted Answer

A thermistor is a temperature-measuring device composed of a semiconductor material with a high temperature sensitivity. When the temperature changes, the resistance of the thermistor changes proportionally. Therefore, it can be used to measure temperature accurately. Thermocouples, thermojunctions, and RTDs are also used for temperature measurement, but they are not composed of a semiconductor material.

Question 10

What does T stand for in the following equation (ideal gas law)?

Accepted Answer

In the ideal gas law, T represents temperature.

Question 11

Temperature is a macroscopic measurement of a microscopic phenomenon.

Accepted Answer

Temperature is a measure of the average kinetic energy of particles in a substance. This is a microscopic phenomenon because it deals with the behavior of individual particles, but it can be measured on a macroscopic scale using devices such as thermometers.

Question 12

Convert  to Celsius

Accepted Answer

The answer of Convert  to Celsius...

Question 13

The physical quantity that quantifies or provides a measure of how active molecules are on a microscopic level is

Accepted Answer

Temperature is a physical quantity that measures the average kinetic energy of the molecules in a system. The higher the temperature, the more active the molecules are, meaning they move around more quickly and collide with each other more frequently. This is why increasing the temperature of a substance typically leads to an increase in its chemical reactivity, solubility, and other similar properties.

Question 14

Convert  to Fahrenheit

Accepted Answer

The answer of Convert  to Fahrenheit...

Question 15

Civil engineers must design the structures in such a way as to allow for expansion and contraction of materials, such as concrete and steel that occur due to changes in the surrounding temperatures.

Accepted Answer

Civil engineers must consider the effects of temperature on materials when designing structures, and design them in a way that allows for thermal expansion and contraction to prevent structural damage.

Question 16

The physical quantity that provides a measure of molecular activity and the internal energy of an object is

Accepted Answer

Temperature is a measure of the average kinetic energy of the molecules in an object. As the temperature increases, the molecules move faster and have a higher internal energy. Density, viscosity, and specific weight are related to the mass and volume of an object, but do not directly measure molecular activity or internal energy.

Question 17

What does P stand for in the following equation (ideal gas law)?

Accepted Answer

In the ideal gas law equation, P stands for pressure.

Question 18

Thermometers use varying physical properties to measure temperature.Which of the following variable physical properties are utilized in thermometers?

Accepted Answer

Thermometers can use expansion (like mercury or alcohol thermometers), electrical resistance (like thermistors or resistance temperature detectors), and even color changes (like liquid crystal thermometers) to measure temperature.

Question 19

Which of the following temperature scales is known as an absolute scale?

Accepted Answer

The Kelvin scale is known as an absolute scale because it starts at absolute zero, the theoretical point at which all molecular movement stops. The other scales (Fahrenheit, Celsius, and Centigrade) are relative scales that are based on the freezing and boiling points of water.

Question 20

Convert  to Kelvins

Accepted Answer

The answer of Convert  to Kelvins...

Quiz 11: Temperature and Temperature-Related Variables in Engineering

Temperature is a fundamental dimension.

Material properties are not a function of temperature.

Which of the following material properties varies with temperature?

Which of the following temperature scales is known as an absolute scale?

Convert to Kelvins

What does V stand for in the following equation (ideal gas law) ?

A temperature-measuring device that consists of two dissimilar metals is known as a

The Kelvin and Rankine scales are based on the behavior of an ideal gas.

A temperature-measuring device composed of a semiconductor material is known as a

What does T stand for in the following equation (ideal gas law) ?

Temperature is a macroscopic measurement of a microscopic phenomenon.

Convert to Celsius

The physical quantity that quantifies or provides a measure of how active molecules are on a microscopic level is

Convert to Fahrenheit

Civil engineers must design the structures in such a way as to allow for expansion and contraction of materials, such as concrete and steel that occur due to changes in the surrounding temperatures.

The physical quantity that provides a measure of molecular activity and the internal energy of an object is

What does P stand for in the following equation (ideal gas law) ?

Thermometers use varying physical properties to measure temperature.Which of the following variable physical properties are utilized in thermometers?

Which of the following temperature scales is known as an absolute scale?

Convert to Kelvins