- Low carbon steel
- Titanium
- Copper
- Tin
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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area ; in the casting)?
Answer: Option 4 Let'
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Statement : A large number of engineering graduates in the country are not in a position to have gainful employment at present and the number of such engineers is likely to grow in the future. Courses of Action : I. The government should launch attractive employment generation schemes and encourage these graduates to opt for such schemes to use their expertise and knowledge effectively. II. This happened due to proliferation of engineering colleges in the country and thereby lowered the quality of the engineering graduates. Those colleges which are not equipped to impart quality education should be closed down.?
Answer: Option 2 The emphasis should be not on the Government putting all the engineering graduates to jobs but on the colleges producing not 'degree-holders' but real technical minds which...
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Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as?
Answer: Option 1 Let'
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A casting defect which results in general enlargement of a casting is known as?
Answer: Option 3 A swell occurs when the mold wall gives way across a whole face, and is caused by an improperly rammed mold. Burn-on occurs when metallic oxides interact...
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A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as?
Answer: Option 2 A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Sand wash
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The needle beam method of tunnelling (i) Is suitable for soils in which roof can stand for few minutes without support (ii) Is suitable for brick lining (iii) Is suitable for concrete lining (iv) Requires large number of trench jacks?
Answer: Option 2 Let'
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Which of the following is the most suitable abrasive for grinding high tensile strength materials?
Answer: Option 3 Let'
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Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process?
Answer: Option 3 Let'
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For measuring the temperature of a red hot furnace, which is the most suitable instrument?
Answer: Option 3 Let'
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Who had, while fasting in the prison, written to the British governor, The individual must die so that the nation may live. Today, I must die so that India may win freedom and glory?
Answer: Option 1 Jatin Das, while fasting in the prison, written to the British governor, The individual must die so that the nation may live. Today, I must die so...
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