Please verify whether the following statements are true or false. Write T in front for the true statement and F in front of the false statement. 1) safely is impotent, however accuracy is more important. 2) Always, the righter the tolerance the better. 3) Every technician is expected to fallow strictly the safety rules. 4) Took are to be taken back to the same boxes or the work bench place. 5) All chips on the work bench should be cleaned and deposited in a waste bin. 6) If you do not understand instructions, ask your friend. 7) Class A fire refers to solid: paper, wood, cloth, plastics, rubber etc. 8) Multimeters can measure current and resistance but not voltage. 9) One mega (M) equals 1,000,000. 10) Datum is the place from which all measurements are taken 11) The tolerance given on this dimension is trilateral. 12) The vernier caliper with 20 divisions is accurate 0.05 mm. 13) Micrometer accuracy can reach 0.01 mm. 14) A double-cut file cuts on the forward stroke and on the return stroke tool 15) Tolerance and accuracy are the same. 16) it is not possible to cut an object exactly as the specified dimension langth. 17) In a durance fit-tolerance of mating parts always leave additional space. 18) Hole drilling is one of the most popular machining operations. 19) plusminus 1% tolerance of 10 mm, is equivalent to 9.09 & 10.01 lower & upper limits 20) Making external threading on a shaft is called tapping.
1.) F
2.) T
3.) T
4.) T
5.) T
6.) T
7.) T
8.) F
9.) T
10.) T
11.) image is not clear however if there is a \'±\' sign than it is bilateral.
12.) T
13.) T
14.) F
15.) F
16.) T
17.) T
18.) T
19.) F
20.) F
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