MCQOPTIONS
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MCQOPTIONS
This section includes 92 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
In the lathe it is the peripheral speed of the work piece cutting speed of tool is expressed in m/min, V is |
| A. | = /1000 |
| B. | = /1000 |
| C. | = /1000 |
| D. | = /10 |
| Answer» B. = /1000 | |
| 52. |
A combination of equipment and controls which handles, stores and retrieves materials with precision,accuracy and speed under a defined degree of automation is known as ____ |
| A. | Automated storage and retrieval system (AS/RS) |
| B. | Flexible manufacturing system |
| C. | Automated guided vehicle |
| D. | None of the above |
| Answer» B. Flexible manufacturing system | |
| 53. |
In CNC machining tool radius compensation turning the left mode ON programming contour done by |
| A. | G40 |
| B. | G41 |
| C. | G42 |
| D. | G43 |
| Answer» C. G42 | |
| 54. |
__________ is one where mechanical forces or restricting forms are applied on a material so as to form it into the desired shape |
| A. | Subtractive process |
| B. | Additive process |
| C. | Formative process |
| D. | All of above |
| Answer» D. All of above | |
| 55. |
Sensors which are come in contact with some surface to measured desired physical variable are known as____ |
| A. | Non-contact sensors |
| B. | Proximity sensors |
| C. | Contact sensors |
| D. | None of the above |
| Answer» D. None of the above | |
| 56. |
The rotation axis that is perpendicular to the xy plane and passes through the pivot point is known as |
| A. | Rotation |
| B. | Translation |
| C. | Scaling |
| D. | Shearing |
| Answer» B. Translation | |
| 57. |
Which of the following is NOT true? Image formed by reflection through a plane mirror is |
| A. | of same size |
| B. | same orientation |
| C. | is at same distance from the mirror |
| D. | virtual |
| Answer» C. is at same distance from the mirror | |
| 58. |
n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) along a circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion are |
| A. | N010 GO3 X7.0 Y2.0 I5.0 J2.0 |
| B. | N010 GO2 X7.0 Y2.0 I5.0 J2.0 |
| C. | N010 GO1 X7.0 Y2.0 I5.0 J2.0 |
| D. | N010 GOO X7.0 Y2.0 I5.0 J2.0 |
| Answer» C. N010 GO1 X7.0 Y2.0 I5.0 J2.0 | |
| 59. |
are used to express the geometry or shape of the element |
| A. | Mode shapes |
| B. | Shape functions |
| C. | Natural curves |
| D. | None of the above |
| Answer» C. Natural curves | |
| 60. |
Which of the following advantage does not possess by the rapid prototyping process over the traditional prototyping process? |
| A. | It consumes less time |
| B. | Gives better quality |
| C. | Reduces product launch time |
| D. | It's cheaper |
| Answer» E. | |
| 61. |
Of all of the current material addition rapid prototyping technologies, which one is the most widely used? |
| A. | Ballistic particle manufacturing |
| B. | Selective laser sintering |
| C. | Solid ground curing |
| D. | Stereolithography |
| Answer» E. | |
| 62. |
Among the following, which one is the earliest step in Data Processing for Rapid Prototyping? |
| A. | Model slicing |
| B. | Part orientation |
| C. | Tool path generation |
| D. | Support generation |
| Answer» C. Tool path generation | |
| 63. |
____ is a manufacturing philosophy in which different parts are manufactured in a small batch or group based on similarities |
| A. | Production technology |
| B. | Group technology |
| C. | Flexible manufacturing system |
| D. | None of the above |
| Answer» C. Flexible manufacturing system | |
| 64. |
If the structure is more complex in order to simplify the model, we need to subdivide the structure into substructures. These substructures are termed as . |
| A. | elements |
| B. | modules |
| C. | links |
| D. | models |
| Answer» C. links | |
| 65. |
We control the location of a scaled object by choosing the position is known as . |
| A. | Pivot point |
| B. | Fixed point |
| C. | Differential scaling |
| D. | Uniform scaling |
| Answer» C. Differential scaling | |
| 66. |
The machine tool, in which calculation and setting of the operating conditions like depth of cut, feed, speed are done during the machining by the control system itself, is called |
| A. | Computer Numerical Control System |
| B. | Direct Numerical Control System |
| C. | Machining Center System |
| D. | Adaptive Control System |
| Answer» E. | |
| 67. |
If all the processing equipment and machines are arranged according to the sequence of operations of a product the layout is known as |
| A. | Product layout |
| B. | Process layout |
| C. | Fixed-position layout |
| D. | GT layout |
| Answer» B. Process layout | |
| 68. |
If the body is in a state of equilibrium then the energy is minimum. This statement is considered in . |
| A. | inverse matrix method |
| B. | weighted residual method |
| C. | Galerkin s principle |
| D. | the minimum potential energy principle |
| Answer» E. | |
| 69. |
The minimum number of dimensions are required to define the position of a point in space is . |
| A. | 3 |
| B. | 4 |
| C. | 1 |
| D. | 2 |
| Answer» B. 4 | |
| 70. |
The software that is used to control the computer s work flow, organize its data and perform housekeeping functions is known as |
| A. | operating software |
| B. | graphics software |
| C. | application software |
| D. | programming software |
| Answer» B. graphics software | |
| 71. |
The technology is defined as the sophistication of a plant ,any equipment or any machine etc |
| A. | True |
| B. | False |
| Answer» C. | |
| 72. |
In Product Life Cycle a stage represents a new and previously unknown product for buyers known as_____. |
| A. | Mature stage |
| B. | Introduction stage |
| C. | Decline stage |
| D. | None of the above |
| Answer» C. Decline stage | |
| 73. |
In laminated object manufacturing (LOM), which of the following cutting strategy is preferable? |
| A. | Directional scanning |
| B. | Zigzag tool paths |
| C. | Contouring and spiral paths |
| D. | Boundary cutting tool paths |
| Answer» E. | |
| 74. |
In Product Life Cycle a stage in which buyers move on to other products and sales drop is known as_____. |
| A. | Growth stage |
| B. | Introduction stage |
| C. | Mature stage |
| D. | Decline stage |
| Answer» E. | |
| 75. |
Which of the following are examples of appropriate applications of additive manufacturing in the actual production of parts and products? |
| A. | Castings made in small quantities |
| B. | Plastic parts in small batch sizes |
| C. | Mass-produced metal parts |
| D. | Special textile products |
| Answer» C. Mass-produced metal parts | |
| 76. |
Which of the following are problems with the current rapid prototyping and additive manufacturing technologies? |
| A. | Limited material variety |
| B. | Inability to convert a solid part into layers |
| C. | Poor machinability of the starting material |
| D. | The inability of the designer to design the part |
| Answer» B. Inability to convert a solid part into layers | |
| 77. |
To indicate the position of the workpiece ly & easily machine zero pint should be displaced to another point on the workpiece called |
| A. | Workpiece zero Point |
| B. | machine Zero Point |
| C. | Start Point |
| D. | Program Zero point |
| Answer» B. machine Zero Point | |
| 78. |
_____ is area of engineering and science which understand the different principles, structure and programming of robot |
| A. | Mechatronics |
| B. | Robotics |
| C. | Aeronautics |
| D. | None of the above |
| Answer» C. Aeronautics | |
| 79. |
If the production is done according to change in various product design easily then such manufacturing system is called as flexible system. |
| A. | True. |
| B. | False. |
| Answer» C. | |
| 80. |
is defined as the ratio of the largest dimension of the element to the smallest dimension. |
| A. | Element depth ratio |
| B. | Mode shape ratio |
| C. | Aspect ratio |
| D. | None of the above |
| Answer» D. None of the above | |
| 81. |
During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 the type of tool motion will be |
| A. | circular Interpolation clockwise |
| B. | circular Interpolation counter clockwise |
| C. | linear Interpolation |
| D. | rapid feed |
| Answer» B. circular Interpolation counter clockwise | |
| 82. |
In cell formation using production flow analysis, the following process will be left out of the analysis |
| A. | Grinding |
| B. | Milling |
| C. | Drilling |
| D. | Gear cutting |
| Answer» E. | |
| 83. |
Repetitive CNC machine operations conveniently performing and execute with one command instead of programming of series of individual move called .. |
| A. | Common Cycle |
| B. | Incremental Programming |
| C. | Canned Cycle |
| D. | None of the above |
| Answer» D. None of the above | |
| 84. |
In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45 counterclockwise with the X-axis. The coordinates of the transformed point will be |
| A. | (7.5, 5) |
| B. | (10, 5) |
| C. | (7.5, -5) |
| D. | (10, -5) |
| Answer» C. (7.5, -5) | |
| 85. |
If two pure reflections about a line passing through the origin are applied successively the result is |
| A. | Pure rotation |
| B. | Quarter rotation |
| C. | Half rotation |
| D. | True reflection |
| Answer» B. Quarter rotation | |
| 86. |
In the ___________ process, one starts with a single block of solid material larger than the final size of the desired object and material is removed until the desired shape is reached. |
| A. | Subtractive process |
| B. | Additive process |
| C. | Formative process |
| D. | All of above |
| Answer» B. Additive process | |
| 87. |
A line AB with end point A (2,3) & B (7,8) is to be rotated about origin by 300 in clockwise direction. Determine the coordinates of end points S of rotated line. |
| A. | (3.232, 2.598) |
| B. | (5.232, 3.598) |
| C. | (3.232, 1.298) |
| D. | (3.232, 1.598) |
| Answer» E. | |
| 88. |
In the following geometric modelling techniques. which cannot be used for finite element analysis: |
| A. | Wireframe modelling |
| B. | Surface modelling |
| C. | Solid modeling |
| D. | none of the above |
| Answer» E. | |
| 89. |
The term that is used for geometric modelling like solid modelling, wire frame modelling and drafting is known as |
| A. | software package |
| B. | operating system |
| C. | application software |
| D. | none of the mentioned |
| Answer» B. operating system | |
| 90. |
The Bezier curve is smoother than the Hermite cubic spline because it has _________ order derivatives. |
| A. | lower |
| B. | higher |
| C. | lower and higher both |
| D. | none of the above |
| Answer» C. lower and higher both | |
| 91. |
In 2D-translation, a point (x, y) can move to the new position (x , y ) by using the equation |
| A. | x =x+dx and y =y+dx |
| B. | x =x+dx and y =y+dy |
| C. | X =x+dy and Y =y+dx |
| D. | X =x-dx and y =y-dy |
| Answer» C. X =x+dy and Y =y+dx | |
| 92. |
Polygons are translated by adding to the coordinate position of each vertex and the current attribute setting. |
| A. | Straight line path |
| B. | Translation vector |
| C. | Differences |
| D. | Only b |
| Answer» E. | |