1) Which of the following component(s) is/are manufactured by powder metallurgy processes?
a. Gears
b. Cutting tools
c. Bearing bushes
d. All of the above
|
Answer
Explanation
|
ANSWER: All of the above
Explanation:
No explanation is available for this question!
|
|
2) Which of the following factors reduce strength of casted components?
a. Blow holes
b. Gas cavities
c. Non-metallic incursions
d. All of the above
|
Answer
Explanation
|
ANSWER: All of the above
Explanation:
No explanation is available for this question!
|
|
3) Which of the following is a not a surface finishing process?
a. Honing
b. Buffing
c. Lapping
d. Turning
|
Answer
Explanation
|
ANSWER: Turning
Explanation:
No explanation is available for this question!
|
|
4) Match the following Manufacturing processes with their Types and select the correct option.
1. Metal forming -------------------------------------- A. Grinding
2. Surface finish --------------------------------------- B. Rivetting
3. Sheet metal working ------------------------------- C. Extrusion
4. Metal joining ----------------------------------------D. Blanking
a. 1 – A, 2 – C, 3 – D, 4 – B
b. 1 – C, 2 – A, 3 – D, 4 – B
c. 1 – B, 2 – A, 3 – D, 4 – C
d. 1 – D, 2 – B, 3 – A, 4 – C
|
Answer
Explanation
|
ANSWER: 1 – C, 2 – A, 3 – D, 4 – B
Explanation:
No explanation is available for this question!
|
|
5) In which of the following processes, material is neither added nor removed but is deformed into desired shape?
a. Surface finishing process
b. Metal forming process
c. Casting
d. Machining
|
Answer
Explanation
|
ANSWER: Metal forming process
Explanation:
No explanation is available for this question!
|
|
6) What is meant by drag in casting process?
a. Upper part of casting flask
b. Molten metal
c. Lower part of casting flask
d. Upper and lower part of casting flask
|
Answer
Explanation
|
ANSWER: Lower part of casting flask
Explanation:
No explanation is available for this question!
|
|
7) Casting replica used to make the cavity is called as
a. Mould
b. Pattern
c. Cope
d. None of the above
|
Answer
Explanation
|
ANSWER: Pattern
Explanation:
No explanation is available for this question!
|
|
8) The process of joining similar or dissimilar materials by heating them below 450o C using non-ferrous filler material is called as ______
a. Brazing
b. Soldering
c. Welding
d. All of the above
|
Answer
Explanation
|
ANSWER: Soldering
Explanation:
No explanation is available for this question!
|
|
9) At forging temperature when a compressive force is applied on the material, it deforms
a. elastically in the direction of least resistance
b. elastically in the direction of maximum resistance
c. plastically in the direction of least resistance
d. plastically in the direction of maximum resistance
|
Answer
Explanation
|
ANSWER: plastically in the direction of least resistance
Explanation:
No explanation is available for this question!
|
|
10) What is the average temperature required for hot forging of aluminium alloys?
a. 1100 oC to 1200 oC
b. 350 oC to 525 oC
c. 2000 oC to 2500 oC
d. None of the above
|
Answer
Explanation
|
ANSWER: 350 oC to 525 oC
Explanation:
No explanation is available for this question!
|
|
