Extrusion, Drawing And Powder Metallurgy - MCQ Test 1


20 Questions MCQ Test Mock Test Series - Mechanical Engineering (ME) for GATE 2020 | Extrusion, Drawing And Powder Metallurgy - MCQ Test 1


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This mock test of Extrusion, Drawing And Powder Metallurgy - MCQ Test 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 20 Multiple Choice Questions for Mechanical Engineering Extrusion, Drawing And Powder Metallurgy - MCQ Test 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Extrusion, Drawing And Powder Metallurgy - MCQ Test 1 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Extrusion, Drawing And Powder Metallurgy - MCQ Test 1 exercise for a better result in the exam. You can find other Extrusion, Drawing And Powder Metallurgy - MCQ Test 1 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
QUESTION: 1

Assertion (A): Greater force on the plunger is required in case of direct extrusion than indirect one.
Reason (R): In case of direct extrusion, the direction of the force applied on the plunger and the direction of the movement of the extruded metal are the same. 

Solution:

In direct extrusion, friction with the chamber opposes forward motion of the billet.

QUESTION: 2

The rate of production of a powder metallurgy part depends on     

Solution:
QUESTION: 3

Metal extrusion process is generally used for producing 

Solution:

The metal extrusion process is generally used for producing Uniform solid and hollow sections.
Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed through a die of the desired cross-section. The extrusion process can be done with the material hot or cold.

QUESTION: 4

Which one of the following statements is correct? 

Solution:
QUESTION: 5

In parts produced by powder metallurgy process, pre-sintering is done to  

Solution:
QUESTION: 6

Assertion (A): Cemented carbide tool tips are produced by powder metallurgy.

Reason (R): Carbides cannot be melted and cast. 

Solution:
QUESTION: 7

The extrusion process (s) used for the production of toothpaste tube is/are
1. Tube extrusion 2. Forward extrusion 3. Impact extrusion

Select the correct answer using the codes given below:Codes: 

Solution:
QUESTION: 8

Carbide-tipped cutting tools are manufactured by powder- metal technology process and have a composition of 

Solution:
QUESTION: 9

Extrusion force DOES NOT depend upon the 

Solution:
QUESTION: 10

In wire drawing process, the bright shining surface on the wire is obtained if one 

Solution:
QUESTION: 11

Which one of the following processes is performed in powder metallurgy to promote selflubricating properties in sintered parts?       

Solution:
QUESTION: 12

A brass billet is to be extruded from its initial diameter of 100 mm to a final diameter of 50mm. The working temperature of 700°C and the extrusion constant is 250 MPa. The force required for extrusion is 

Solution:

Extrusion constant, k = 250 MPa

and

Force required for extrusion,

QUESTION: 13

Match List-I (Gear component) with List-II (Preferred method of manufacturing) and select the correct answer using the codes given below the Lists:     

Solution:
QUESTION: 14

Consider the following processes:     

1. Mechanical pulverization    

2. Atomization

3.  Chemical reduction    

4. Sintering 

Which of these processes are used for powder preparation in powder metallurgy?

Solution:
QUESTION: 15

Match List-I (Components) with List-II (Manufacturing Processes) and select the correct answer using the codes given below the lists:  

Solution:
QUESTION: 16

What does hydrostatic pressure in extrusion process improve? 

Solution:

It is pressure induced ductility.

QUESTION: 17

Which one of the following is the correct statement? 

Solution:
QUESTION: 18

In powder metallurgy, the operation carried out to improve the bearing property of a bush is called      

Solution:
QUESTION: 19

Assertion (A): Direct extrusion requires larger force than indirect extrusion.
In Reason (R): indirect extrusion of cold steel, zinc phosphate coating is used.

Solution:

Both A and R are true but R is not correct explanation of A. Zinc phosphate coating is
used to prevent metal contact

QUESTION: 20

Which one of the following processes is the wiredrawing process? 

Solution:

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