13) In order to be certain of the dimension when measuring with a micrometer: a) Take at least one reading b) Take at least two readings c) Show the micrometer reading to a friend d) Show the micrometer reading to your instructor 14) When a Reamer is rotated in reverse, it will a) Leave a very smooth finish b) Break long stringy chips c) Become dull very quickly d) Reduce the heat build up 15) You wish to check the Layout on a part to determine whether it has been done Correctly. This could be done on a) A Dial Comparator b) A Profilometer c) A Radius Gage d) An Optical Comparator 16) Cutting Speed is expressed as a) Surface feet per second b) Surface Feet per minute c) Inches per minute d) Surface feet per revolution

solve question 2

Q1) For the given workpiece: a- Show the procedure used for finding the length AB and angle C using the toolmaker's microscope. b- Give three reasons for using the toolmaker's microscope. Angle C Q2) List two examples of misuse defects in screw threads? Q3) A student wants to know the linear measurements of a screw thread (in inch), if the student finds that the screw has 7.5 threads in 3 inches, (using thread pitch gauge). a) What is the thread angle of the screw thread. b) Determine the screw type? c) List all linear measurements on the screw thread sketch. Jel A

What is the meaning of 60H7 in dimensioning on a technical drawing (mechanical engineering)?   A)the nominal size is 60 mm, the ISO-tolerance on the hole is H7. B)the nominal size is 60 mm, the ISO-tolerance on the shaft is H7. C)the nominal size is 60 mm, the fit is tight. D)the nominal size is 60 mm, the fit is transitional.

a) Name two groups of standards in addition to national, industry-wide standards and where they are valid. b) Which three options exist for defining dimensional tolerances in a technical drawing?

Q1) 1 2 3 4 5 7 8 9 45 40 '2 3 '4 '5 '6 '7 '8 '9 '10 35 30. Considering the above given vernier caliper and micrometer: a) Calculate the resolution of vernier caliper b) Read the value on vernier caliper c) Calculate the resolution of micrometer. d) Read the value on micrometer. 6.

PLEASE CHOOSE THE CORRECT OPTİONcourse name : Measurement Technique

Discussion: 1) discuss the methods of measurement and what is the accurate method. 2) What is the micrometer .and what are the types and uses of each type? 3) Specimen Dimension to Dimension Dimension be measured Measured Measured by Vernier by ruler External diameter Internal diameter Thickness Length 4) Do you have another method or appearance that may be used in measurement ?

+0.15 +0.25 The dimensions for the shaft size are Ø30 -0.25 mm and the hole size are Ø30 -0.15 mm. i) Find the maximum and minimum limits of hole and shaft. i) Find the tolerance for hole and shaft. iii) Find the allowance. iv) Also find the type of fit.

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