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Salvaging Techniques MCQ Questions - Casting

Salvaging Techniques MCQs : Here you will find MCQ Questions related to "Salvaging Techniques" in Casting, Forming & Welding. These Salvaging Techniques MCQ Questions Will help you to improve your Casting, Forming & Welding knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.




Question 1

In the soldering process, the solder gets melted, when the temperature goes below?

A. 700°F
B. 800°F
C. 900°F
D. 600°F

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Question 2

Which are the one of the techniques used for salvaging defective castings?

A. Caulking
B. impregnation
C. Both A and B
D. None of the above

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Question 3

In impregnation technique of salvaging casts, the material has to be kept immersed inside the sodium silicate solution at a temperature between 175°F to 200°F, for about?

A. 1 hour to 3 hours
B. 2 hour to 4 hours
C. 3 hour to 5 hours
D. 4 hour to 6 hours

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Question 4

Which of the following is true?

A. Salvaging through welding is mainly focused on high alloy steels.
B. Filling can be used for non-ferrous alloys.
C. Both A and B
D. None of the above

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Question 5

Which of the following is not an important property in terms of filler metals?

A. Thermal resistance
B. Chemical resistance
C. Corrosion resistance
D. Appearance

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Question 6

Which statement is false?

A. A metallic powder is basically used as a coating for the heat transfer enhancement.
B. In electric arc wire spray process, the atomizing air pressure is the only significant variable for controlling the surface layers.
C. Both A and B
D. In salvaging of castings, cooling fluid used can be directly exposed to the hot castings to enhance heat transfer

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Question 7

Which of the following parts of castings are mostly salvaged with defective cast cooling bumps?

A. Piston
B. Cylinder
C. Connecting rods
D. Gas turbine parts

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Question 8

Which of the following types of inspection is mostly used for the identification of cast bumps on the castings?

A. Radiography
B. Eddy current method
C. Visual inspection
D. Dimensional inspection

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Question 9

In salvaging process, the metallic particles used for enhancing heat transfer may stick to the surface areas of casting by melting itself.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 10

This metallic coating provides _______ improvement in heat transfer which forms the casting defects free and highly efficient.

A. 5-10%
B. 10-30%
C. 30-50%
D. 1

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