Explore topic-wise MCQs in Manufacturing Processes.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

At higher energy densities, material removal rate is high.

A. True
B. False
Answer» B. False
Discussion
2.

In electron beam machining process, the energy density is controlled by spot size.

A. True
B. False
Answer» B. False
Discussion
3.

Increasing the beam current directly increases the _____

A. energy per pulse
B. accelerating voltage
C. spot size
D. lens current
Answer» B. accelerating voltage
Discussion
4.

Beam current is in the range of _____

A. 50 amp to 0.8 amp
B. 100 amp to 10 amp
C. 200 amp to 1 amp
D. 185 amp to 1.5 amp
Answer» D. 185 amp to 1.5 amp
Discussion
5.

For the electron beam machining process, pulse duration for the electron beam is in range of_____

A. 10 s to 90 s
B. 50 s to 15 ms
C. 80 s to 10 ms
D. 15 ms to 1 s
Answer» C. 80 s to 10 ms
Discussion
6.

Which of the following parameters do not affect the electron beam machining process?

A. Accelerating voltage
B. Lens current
C. Spot size
D. Workpiece material
Answer» E.
Discussion
7.

High velocity gets of oil vapour coming out of diffusion pump entrain ______ present within the gun.

A. water droplets
B. oil droplets
C. air molecules
D. hazardous gas molecules
Answer» C. air molecules
Discussion
8.

The oil coming out of diffusion pump is evacuated by a _____

A. screw pump
B. gear pump
C. rotary pump
D. piston pump
Answer» E.
Discussion
9.

Diffusion pump is an _____

A. oil filter equipment
B. oil heater
C. oil cooler
D. oil collector
Answer» C. oil cooler
Discussion
10.

In electron beam gun, vacuum is achieved by _____

A. reciprocating pump
B. rotary pump only
C. combination of rotary pump and diffusion pump
D. combination of diffusion pump and vane pump
Answer» D. combination of diffusion pump and vane pump
Discussion