250+ TOP MCQs on AWJM – Machining System and Answers

Advanced Machining Processes Multiple Choice Questions on “AWJM – Machining System”.

1. Which of the following is not the feed mechanism of the abrasives in AWJM?
a) Side feed
b) Cross feed
c) Central feed
d) All of the mentioned
Answer: b
Clarification: Only side feed and central feed are used in Abrasive water jet machining.

2. In Abrasive water jet machining, how are the abrasives fed into the water jet stream?
a) Suspension
b) Injection
c) All of the mentioned
d) None of the mentioned
Answer: c
Clarification: Abrasives are fed into the water jet stream through suspension or injection.

3. What is the use of delivery system in the machining system of AWJM?
a) To deliver colloidal solution
b) To pump water
c) To fed abrasives
d) None of the mentioned
Answer: b
Clarification: In Abrasive water jet machining, water delivery system is used.

4. Of the following components, which one does not come under the machining system of AWJM?
a) Water delivery system
b) Transducer
c) Cutting nozzles
d) Mixing chambers
Answer: b
Clarification: Transducer is the component which does not come under the machining system of AWJM.

5. In Abrasive water jet machining, intensifier is used to deliver which type of pressure?
a) Very low pressure
b) Low pressure
c) Medium pressure
d) High pressure
Answer: d
Clarification: In AWJM, intensifier is used to deliver high pressure water using pistons with it.

6. In mixing chamber of AWJM, which of the following are mixed?
a) Abrasives and colloidal solution
b) Abrasives and water jet
c) Colloidal and water jet
d) None of the mentioned
Answer: b
Clarification: In mixing chamber, abrasives and water jet stream are mixed.

7. Of the following, which one is a type of suspension in AWJM?
a) Direct pumping
b) Indirect pumping
c) Bypass pumping
d) All of the mentioned
Answer: d
Clarification: There are three different types of suspension AWJ formed by indirect, direct and bypass pumping.

8. In machining system of AWJM, mixing chamber is immediately followed by which of the following component?
a) Focusing tube
b) Cutting Nozzle
c) Intensifier
d) Water delivery
Answer: a
Clarification: In Abrasive water jet machining, mixing chamber is immediately followed by the focusing tube.

9. Which of the following energies are absorbed using the catchers in Abrasive water jet machining?
a) Pressure energy
b) Kinetic energy of abrasives
c) Residual energy
d) All of the mentioned
Answer: c
Clarification: In AWJM, catchers are used to absorb the residual energy.

10. Which of the following are different types of catchers used in AWJM?
a) Water basin type
b) Submerged steel balls type
c) TiB2 type
d) All of the mentioned
Answer: d
Clarification: The above mentioned types are the types of catchers used in AWJM.

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