Explore and find out what kind of scale is used by cloth merchants, tailors, carpenters and mechanics to measure length. Answer: Cloth merchants use iron/steel metre scale. Tailors use plastic metre scale tape.
What scale do mechanics use to measure length?
10.5 CORRECT MEASUREMENT OF LENGTH. In our daily life we use various types of measuring devices. We use a meter scale for measuring length.
Which of the following is used to measure length?
Length, or the distance between two lengths: Tools used to measure length include a ruler, a Vernier caliper, and a micrometer screw gauge. Vernier calipers and micrometer screw gauges are more precise and can be used to measure the diameter of objects like pipe and wire.
What is metre scale used for?
A metre scale is used to measure length of an object which has SI unit of meter m.
What type of scale do carpenters use?
Carpenters use plastic metre tape and iron metre scale both.
What type of measuring device would you use to measure the thickness of electric pole?
Ultrasonic paint thickness gauges can measure the thickness of coatings on nonmetallic substrates.
What is meant by length scale?
In physics, length scale is a particular length or distance determined with the precision of at most a few orders of magnitude. The concept of length scale is particularly important because physical phenomena of different length scales cannot affect each other and are said to decouple.
How is length measured quizlet?
The length of a segment is the measure of the distance from one endpoint to the other. A unit of length is a way of measuring length or distance. When something is exactly equal in size and shape, then it is congruent. Congruent sides or segments have the exact same length.
What instrument is used to measure length in the metric system?
metric ruler
The basic unit of length in the metric system is the meter. A metric ruler or meter stick are the instruments (tools) used in measuring length. The units of length most commonly used include the meter (m), centimeter (cm), millimeter (mm), and kilometer (km).
Why was a metre scale used to measure the length of a cloth?
Answer: A metre scale is used to measure length of a cloth because it has SI unit of meter m.
What kind of scale is used by cloth merchants?
Answer: Cloth merchants use iron/steel metre scale. Tailors use plastic metre scale tape. Carpenters use plastic metre tape and iron metre scale both. Question 8.
Is try square a measuring tool?
Cut or make marking at right angles & A try square is a woodworking tool used for marking and measuring a piece of wood. The square refers to the tool’s primary use of measuring the accuracy of a right angle; to try a surface is to check its straightness or correspondence to an adjoining surface.
How do you use an L ruler?
How to Use a Tailor’s L-Square
- Place your pattern on a piece of pattern paper.
- Find the scale measurement on the ruler to which you want to scale your pattern.
- Place the ruler with your scale directly on the first seam of the pattern.
- Read the original measurement of the seam you are about to scale.
What type of measuring device would you use to measure?
Textbook solution. A measuring tape is a long, thin piece of plastic, cloth, or metal that is marked with units of length such as inches or centimeters.
Which is the thickness measurement technique?
Techniques include: the magnetic technique; eddy current; ultrasonic; micrometers; cross sectioning; gravimetric techniques; wet-film thickness gages; and thickness standards.
Which instrument is used to measure thickness?
Screw gauge is used to find the thickness and the vernier calliper is used to measure the length.
What is the length scale of biological sciences?
Size matters in biology. From the diameter of DNA molecules (2 nanometers) to the height of an adult (1.75 meters), the length scale can be across approximately 9 orders of magnitude!
What is characteristic length in fluid mechanics?
In simple terms, a characteristic length is THE MOST important length scale in a fluid flow. For example: (1) In a VERY LONG pipe or channel flow, the characteristic length is diameter or channel width – By very long, I meant the velocity becomes independent of the pipe length.
What scale of length do we deal in physics class 11?
CBSE NCERT Notes Class 11 Physics Units and Measurements. Length can be measured using metre scale (10–3m to 102m), verniercallipers (10–4m) and screw gauge and spherometer (10–5m).
How do you use an engineering scale?
When using the engineer scale, you must multiply the value you identify by 10. The small lines between the whole numbers represent individual feet, so a point that falls two marks to the right of the whole number 4 is interpreted as 42 feet. You should never use your scale to draw lines.
What are three instruments used to measure length?
the three instruments used to measure length,in increasing order of accuracy are vernier calliper, micrometh screw gauge and meter rule.