Q6. | If ‘n’ is the number of sides, then the total sum of interior angles of a closed traverse should be |
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A. | n + 2 [Wrong Answer] |
B. | 2n – 4 [Correct Answer] |
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C. | 2n + 4 [Wrong Answer] |
D. | 4n – 2 [Wrong Answer] |
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Q7. | The principle of optics used in the construction of an optical square is |
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A. | Reflection [Wrong Answer] |
B. | Double reflection [Correct Answer] |
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C. | Refraction [Wrong Answer] |
D. | Double refraction [Wrong Answer] |
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Q8. | Invar tapes are made of an alloy of | ||||||
A. | Nickel and steel [Correct Answer] |
B. | Copper and steel [Wrong Answer] |
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C. | Tin and steel [Wrong Answer] |
D. | Aluminum and steel [Wrong Answer] |
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Q9. | A scale which has a common representative fraction, but read in different measures is called a |
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A. | Plain scale [Wrong Answer] |
B. | Diagonal scale [Wrong Answer] |
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C. | Shrunk scale [Wrong Answer] |
D. | Comparative scale [Correct Answer] |
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Q10. | The linen tape reinforced with brass or copper wires to prevent stretching or twisting of fibers is called |
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A. | Limen tape [Wrong Answer] |
B. | Metallic tape [Correct Answer] |
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C. | Invar tape [Wrong Answer] |
D. | Cloth tape [Wrong Answer] |
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