| 1. | The metal patterns as compared to wooden patterns require less ? | |
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shrinkage allowance
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machining allowance
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draft allowance
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distortion allowance
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Report Question| 2. | Cores are used to ? | |
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form internal cavities in the casting
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improve mould surface
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form a part of a green sand mould
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all of these
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| 3. | The binder commonly used in making oil sand, is ? | |
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clay-type binder
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organic-type binder
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inorganic-type binder
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any one of these
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| 4. | The process extensively used for making bolts and nuts is ? | |
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hot piercing
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extrusion
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cold peening
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cold heading
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| 5. | A basic shaft is one whose ? | |
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lower deviation is zero
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upper deviation is zero
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lower and upper deviations are zero
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none of these
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| 6. | Blanking and piercing operations can be performed simultaneously in a ? | |
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simple die
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progressive die
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compound die
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combination die
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| 7. | In order to ram the sand harder at the back of the mould and softer on the pattern face, a ........... is used ? | |
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sand slinger
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squeezing machine
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jolt machine
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stripper plate machine
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| 8. | In order to get uniform thickness of the plate by rolling process, one provides ? | |
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camber on the rolls
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offset on the rolls
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hardening of the rolls
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antifriction bearings
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| 9. | In a hot chamber die casting machine ? | |
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ferrous alloys with low melting temperature are casted
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ferrous alloys with high melting temperature are casted
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non-ferrous alloys with low melting temperature are casted
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non-ferrous alloys with high melting temperature are casted
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| 10. | In a ........... both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram ? | |
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simple die
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progressive die
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combination die
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compound die
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