Manufacturing Processes II Mock Test 6

10%

Question 1 of 10

1. Aluminium is difficult to friction weld because of _____

ductility

micro porosity

heat reflectivity

softness

Question 1 of 10

Question 2 of 10

2. The gun in EBM is used in _____ mode.

wave guide

biasing

high intensity

pulsed

Question 2 of 10

Question 3 of 10

3. Catcher is used to_____

collect the residual part of the machined component

focus the jet on the target

absorb the residual energy of the AWJ

increase the residual energy of the AWJ

Question 3 of 10

Question 4 of 10

4. As the electrons strike the work material _____

atomic energy is converted to heat energy

kinetic energy is converted to heat energy

heat energy is converted to kinetic energy

electrical energy is converted to heat energy

Question 4 of 10

Question 5 of 10

5. Weld strength in inertia friction welding is more than direct drive friction welding.

True

False

Question 5 of 10

Question 6 of 10

6. The abrasive grains are driven by the reciprocations across the gap in between the tool and the work piece.

True

False

Question 6 of 10

Question 7 of 10

7. In USM, horn is used for amplifying the vibrations.

False

True

Question 7 of 10

Question 8 of 10

8. Electron beam machining is a/an _____ process

iso-thermal

adiabatic

isentropic

thermal

Question 8 of 10

Question 9 of 10

9. The horn or concentrator can have how many different shapes?

It can have any shape

Question 9 of 10

Question 10 of 10

10. Which of the following set is not joined by friction welding process?

Copper to Titanium

Copper to Aluminium

Aluminium to Steel

Rubidium to Caesium

Question 10 of 10