Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part6 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.The composition of silver solder is |
| silver, copper, zinc |
| silver, tin, nickel |
| silver, lead, zinc |
| silver, copper, aluminium |
| silver, lead, tin. |
7.Drop forging dies contain carbon of the order of |
| 0.1 to 0.2% |
| 0.25 to 0.5% |
| 0.6 to 0.7% |
| 0.7 to 0.9% |
| 1.0 to 1.2%. |
8.Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio |
| 50 : 50 |
| 30 : 70 |
| 70 : 30 |
| 40 : 60 |
| 60 : 40. |
9.Which of the following is used for bearing liner |
| gun metal |
| bronze |
| bell metal |
| babbit metal |
| brass. |
10.Alnico, an alloy used extensively for per-manent magnets contains iron, nickel, aluminium and cobalt in the following ratio |
| 50 : 20 : 20 : 10 |
| 40 : 30 : 20 : 10 |
| 50 : 20 : 10 : 20 |
| 30 : 20 : 30 : 20 |
| 50 : 10 : 20 : 20. |
More Engineering Materials QUESTIONS AND ANSWERS available in next pages
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