7.1 Noem TWEE funksies van 'n moment-en-kragtoetser - NSC Mechanical Technology Fitting and Machining - Question 7 - 2021 - Paper 1
Question 7
7.1 Noem TWEE funksies van 'n moment-en-kragtoetser.
7.2 Noem TWEE hardheidstoestoters wat gebruik word om die hardheid van staal te toets.
7.3 Watter presisiemeet... show full transcript
Worked Solution & Example Answer:7.1 Noem TWEE funksies van 'n moment-en-kragtoetser - NSC Mechanical Technology Fitting and Machining - Question 7 - 2021 - Paper 1
Step 1
Noem TWEE funksies van 'n moment-en-kragtoetser.
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Answer
Om die reaksie aan weerskante van 'n eenvoudige belasde balk te bepaal.
Om die begrip van die kragdreheuk te illustreer.
Step 2
Noem TWEE hardheidstoestoters wat gebruik word om die hardheid van staal te toets.
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Answer
Brinell
Rockwell
Step 3
Watter presisiemeetinstrument word gebruik om die diepte van 'n gat te meet?
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Answer
Diepte mikrometer
Step 4
Identifiseer die tipe toetse wat in FIGUUR 7.4 hieronder getoon word.
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Answer
Trektoetser
Step 5
Noem DRIE maniere om die hardheid van 'n metaal te toets.
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Answer
Weerstand teen penetrasie.
Elastiese hardheid.
Weerstand teen slytasie / krap / fyletos.
Step 6
Bereken die vereiste hoogte van 'n skroefdraad wat benodig word om 'n M16 x 2-bout te vervaardig.
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Answer
Die hoogte kan bereken word met die formule:
H=0,866imesP, waar P=2. Dus,
H=0,866imes2=1,732.
Step 7
Noem EEN presisiemeetinstrument wat gebruik kan word om die buitediameter, binne diameter en die diepte van 'n werktstuk te meet.
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Answer
Nonius passer
Step 8
Watter word verwisselbare bars van die dieptemikrometers gebruik?
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