Explore topic-wise MCQs in Machine Dynamics.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

M30 stands for:

A. End of program
B. End of block
C. End of tape and tape rewind
D. Coolant on/ off
Answer» B. End of block
2.

Dwell is defined by:

A. G04
B. G03
C. G02
D. G01
Answer» B. G03
3.

On turning lathes the machine zero point is generally at the:

A. Head stock of lathe spindle nose face
B. Dead center of tail stock
C. Tool point mounted on tool post
D. none of the mentioned
Answer» C. Tool point mounted on tool post
4.

DWELL_IS_DEFINED_BY:?$

A. G04
B. G03
C. G02
D. G01
Answer» B. G03
5.

M30 stands for:$

A. End of program
B. End of block
C. End of tape and tape rewind
D. Coolant on/ off
Answer» B. End of block
6.

On turning lathes the machine zero point is generally at the?

A. Head stock of lathe spindle nose face
B. Dead center of tail stock
C. Tool point mounted on tool post
D. none of the mentioned
Answer» C. Tool point mounted on tool post
7.

The axes of turning machine arc:

A. Z and X-axes
B. X and Y-axes
C. Z and Y-axes
D. X, Y and Z-axes
Answer» B. X and Y-axes
8.

The lost motion in CNC machine tool is on account of:

A. Backlash in gearing
B. Wind-up of drive shafts
C. Deflection of machine tool members
D. All of the mentioned
Answer» B. Wind-up of drive shafts
9.

CNC drilling machine is considered to be a:

A. Point-to-point controlled machine
B. Straight line controlled machine
C. Continuous path controlled machine
D. Servo-controlled machine
Answer» B. Straight line controlled machine
10.

The first commercial CNC machine was developed in the year:

A. 1970
B. 1972
C. 1976
D. 1980
Answer» B. 1972
11.

Computer will perform the data processing functions in

A. NC
B. CNC
C. DNC
D. ACS
Answer» D. ACS
12.

Stiffness is ______________ to the length of the element.

A. Inversely proportional
B. Directly proportional
C. Exponential
D. Independent
Answer» E.
13.

The sum of the shape functions over the element is always equal to:

A. Zero
B. Infinity
C. Unity
D. None of the mentioned
Answer» D. None of the mentioned