Materials and Construction

441. Which of the following is a non-magnetic material?

1. Cobalt
2. Zinc
3. Nickel
4. None of these

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442. Which of the following is an alloy of nickel and copper?

1. Hastelloy
2. Duriron
3. Monel
4. Inconel

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443. Which of the following is not a nickel based alloy?

1. Inconel
2. Hastelloys
3. Nimonics
4. Babbitt metal

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444. Which of the following is not a non-ferrous alloy?

1. Meehanite
2. Magnalium
3. Gun metal
4. Muntz metal

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445. Which of the following is not an alloy of copper?

1. Muntz metal
2. Admiralty gun metal
3. German silver
4. Pewter metal

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446. Which of the following is not an alloy of nickel and chromium?

1. Inconel
2. Hastelloy
3. Nimonic alloys
4. Duralumin

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447. Which of the following is not an alloy of tin?

1. White-bearing metal
2. Pewter type metal
3. Soft solder
4. German silver

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448. Which of the following is not shipped in mild steel containers?

1. Acetone
2. Ammonia
3. Ethyl alcohol
4. Formic acid

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449. Which of the following is not used as the ceramic material in „cermets‟?

1. Silicides
2. Oxides
3. Carbides
4. Nitrides

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450. Which of the following is produced by condensation polymerisation?

1. Bakelite
2. Polythene
3. Poly vinyl chloride
4. Polystyrene

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