| 1. | The sensitivity of precision spirit level is ? | |
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0.02 to 0.05/100 mm
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0.02 to 0.05/200 mm
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0.02 to 0.05/500 mm
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0.02 to 0.05/1000 mm
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Report Question| 2. | Why do mesons prefer to use plumb bob with nylon string ? | |
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it is cheap
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it is more accurate
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it can stand dampness
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it is easily to carry
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| 3. | Bolt having a ring shaped head used in heavy electric motors and other machines for providing a facility for lifting is called ? | |
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counter sunk bolt
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T-bolt
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cheese head bolt
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eye bolt
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| 4. | Which of the following is an example of non corrosive flux material ? | |
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zink chloride
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ammonium chloride
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hydrochloric acid
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olive oil
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