MCQs of Unconventional Machining Processes (Advanced Manufacturing Processes - 3161922)

Showing 31 to 40 out of 42 Questions

31.

Which of the following elements of USM is used to apply the working force during machining operation?

32.

The material removal rate in USM increases with

(a)	decrease in amplitude
(b)	a decrease in the grain size of abrasives
(c)	decrease in frequency
(d)	increase in amplitude

33.

Which of the following process is used for preparing parts having large curved surfaces and thin sections?

34.

Chemical milling operation is performed

(a)	on a universal milling machine
(b)	on a plain milling machine
(c)	in a tank containing an etching solution
(d)	any one of these

35.

In Electron beam machining, workpiece is held in

36.

Abrasive jet machining process can be used for

37.

Metal removal rate in abrasive jet machining increases with

(a)	increase in abrasive flow rate
(b)	the decrease in abrasive flow rate
(c)	the decrease in grain size of abrasives
(d)	increase in grain size of abrasives

38.

Mixing ratio in abrasive jet machining is defined as a ratio of

(a)	the mass flow rate of abrasive to the mass flow rate of gas
(b)	the mass flow rate of gas to the mass flow rate of abrasive
(c)	velocity of the gas to velocity of abrasive
(d)	none of the mentioned

39.

A high abrasive flow rate decreases the life of the nozzle in the abrasive machining process.

(a)	True
(b)	False

40.

Which type of materials can be machined using Abrasive jet machining?

Showing 31 to 40 out of 42 Questions