IMPORTANT! Short Questions and Answers from SCALE

IMPORTANT SHORT QUESTIONS & ITS ANSWERS FROM SCALE

IMPORTANT SHORT QUESTIONS AND ANSWERS FROM SCALE

1. An instrument used to measure the length or distance between two objects or points, termed as..................

Ans: Scale.

2. The scale of chords is used to measure ………………………..

Ans: Angles.

3. The ratio of drawing length to the actual length of an object is called ……………………….

Ans: Representative Fraction.

4. When measurements are required in two units or a unit and its subdivision, the ………………… is used.

Ans: Plain scale.

5. When measurements are required in three units, the …………………. Scale is used.

Ans: Diagonal.

6. When a drawing is drawn of the same size as that of the object, the scale used is ………………….

Ans: Full-size scale

7. When drawings are drawn smaller than the actual size of the object, the scale is said to be …………..

Ans: Reducing scale

8. R.F. is the ratio of .................................. to the ..................................

Ans: Drawing Length of an object, Actual Length of that object.

9. Least count of a plain scale is...............

Ans: 0.5 mm.

10. Least count of a vernier scale...............

Ans: 0.02 mm.

11. Least count of a diagonal scale................

Ans: 0.01 mm.

12. Generally, there are three types of scale. Those are......................., ........................ and .........................

Ans: Plain Scale, Diagonal Scale, Vernier Scale.

13. Standard length of scale considered as......................

Ans: 15 cm.

14. Standard width of a diagonal scale considered as......................

Ans: 40 mm.

15. Standard width of a plain scale considered as......................

Ans: 25 mm.

16. ..................... scale is used to measure the shortest length.

Ans: Diagonal.

17. Between diagonal and vernier, .....................scale can measure a distance more accurately.

Ans: diagonal.

18. When the drawing is drawn as the actual size as that of the object, the scale

known as......................

Ans: full-size scale.

19. For drawings of small instruments, ................... scale is always used.

Ans: enlarge.

20. Building drawing or large object drawing is drawn with a .......................scale.

Ans: reducing scale.

21. For a full-size scale, the R.F. would be....................

Ans: equal to 1.

22. For a reducing scale, the R.F. would be.....................

Ans: less than 1 or unity.

23. For an enlarged scale, the R.F. would be...................

Ans: greater than 1 or unity.

24. If the R.F. of a scale is 1:20 and the maximum length should measure up to 3 meters, then the length of the scale should be...................

Ans: 15 cm.

25. If the R.F. of a scale is 1:40 and the length of the scale is 15 cm., then the maximum length that can be measured by the scale is...................

Ans: 6 metres or 600 cm.

26. Length of scale can be obtained from R.F. .................... by.......................

Ans: Multiplied, Maximum length required to be measured.

27. Maximum length required to be measured can be found from ................... divided by.....................

Ans: Scale length, R.F.

28. R.F. is the abbreviation form of.................................

Ans: Representative Fraction.

29. An object is drawn 50 times larger than its original length, its R.F. would be......................

Ans: 50:1

30. Largest unit of length or distance is....................

Ans: Parsec (It's an Astronomical Unit).

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