Manufacturing Processes II Mock Test 5

10%

Question 1 of 10

1. The degree of powder stratification is not affected by_____

diameter of the funnel in the mixing chamber

mixing time

powder mass flow rate

air flow velocity

Question 1 of 10

Question 2 of 10

2. The powder distribution changes because of _____

variation in air flow velocity

variation in nozzle diameter

powder stratification

variation in feed rates

Question 2 of 10

Question 3 of 10

3. By AJMM, holes of intricate shapes can be drilled easily.

True

False

Question 3 of 10

Question 4 of 10

4. There are _____ different types of suspension abrasive water jet (AWJ).

Question 4 of 10

Question 5 of 10

5. Material removal in AJM of glass is around_____

0.1 mm³/min

1500 mm³/min

15 mm³/s

15 mm³/min

Question 5 of 10

Question 6 of 10

6. In AWJM, mixing process takes place in _____

mixing line

intensifier

mixing table

mixing chamber

Question 6 of 10

Question 7 of 10

7. Assuming no losses, what will be the water jet velocity, when the water pressure is 4000 bar, being issued from an orifice of diameter 0.3 mm?

467 m/s

894 m/s

592 m/s

212 m/s

Question 7 of 10

Question 8 of 10

8. There are variations in the powder mass flow rate due to_____

powder compaction

air flow rate inside the mixing chamber

size of the powder particles

pressure build-up in the chamber

Question 8 of 10

Question 9 of 10

9. Which of the following technology is used for ferrite substrates?

Powder coating

Sintering

Powder blasting

Continuous powder processing

Question 9 of 10

Question 10 of 10

10. Which of the following is correct about AJMM?

It tends to pollute the environment

The nozzle has very less wear

It has very high accuracy

It requires no cleaning

Question 10 of 10