Engineering Questions with Answers - Multiple Choice Questions
Machine Dynamics MCQ – Programme for Four Bar Mechanism
1 - Question
With reference to NC machines, which of the following statements is wrong
a) Both closed-loop and open-loop control systems are used
b) Paper tapes, floppy tapes and cassettes are used for data storage
c) Digitizers may be used as interactive input devices
d) Post processor is an item of hardware
View Answer
Answer: c
Explanation: None.
2 - Question
In a point-to-point type of NC system
a) Control of position and velocity of the tool is essential
b) Control of only position of the tool is sufficient
c) Control of only velocity of the tool is sufficient
d) Neither position nor velocity need to be controlled
View Answer
Answer: b
Explanation: Point to point is also sometimes called a positioning system. In PTP the objective of the machine tool control system is to move the cutting tool to predefined location. The speeder path by which this movement is accomplished is not important in point to point NC. Once the tool reaches the desired location, the machining operation is performed at that position.
3 - Question
GUI is the acronym for Graphical User Interface.
a) True
b) False
View Answer
Answer: a
Explanation: None.
4 - Question
The heart of a computer is:
a) CPU
b) ALU
c) Monitor
d) Keyboard
View Answer
Answer: a
Explanation: Keyboard is input device, monitor is output device.
5 - Question
The widely employed computer architecture for CAD/CAM applications is:
a) Mainframe-based system
b) Minicomputer-based system
c) Microcomputer-based system
d) Workstation-based system
View Answer
Answer: d
Explanation: Workstation based system is widely used for CAD/cAM architecture.
6 - Question
Keyboard is a ___________ input device.
a) Graphical
b) Text
c) Numericals
d) All of the mentioned
View Answer
Answer: d
Explanation: None
7 - Question
Locating devices are classified as:
a) Text input devices
b) Graphics input devices
c) Both a and b
d) None of the mentioned
View Answer
Answer: b
Explanation: None.
8 - Question
Mouse is a __________ type of input device.
a) Text
b) Graphics
c) Locating
d) All of the mentioned
View Answer
Answer: c
Explanation: Through mouse we locate the required data or information.
9 - Question
Light pen is a:
a) Writing device
b) Drawing device
c) Locating device
d) Lighting device
View Answer
Answer: b
Explanation: Light pen is used to draw on screen.
10 - Question
Digitizer is constructed on the basis of:
a) Magnetic tablet mechanism
b) Acoustic tablet mechanism
c) Optical tablet mechanism
d) both (a) and (b)
View Answer
Answer: c
Explanation: The Digitizer is a completely separate component than the LCD, although the LCD and Digitizer are usually fused together during manufacturing with an optical adhesive.