MCQOPTIONS
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MCQOPTIONS
This section includes 521 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Drawing knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Which of the following process is suitable for making injection molding tools? |
| A. | SL |
| B. | SLS |
| C. | EBM |
| D. | FDM |
| Answer» C. EBM | |
| 402. |
In synthetic curves, zero-order continuity yields |
| A. | a position continuous curve |
| B. | a slope continuous curve |
| C. | a curvature continuous curve |
| D. | none of the above |
| Answer» B. a slope continuous curve | |
| 403. |
From the following in which type of GT code tree-type structure is used? |
| A. | Poly code |
| B. | Hybrid code |
| C. | Mono code |
| D. | None of the above |
| Answer» D. None of the above | |
| 404. |
Full form of STL is _____ |
| A. | Straight-lithography |
| B. | Streto-lithography |
| C. | Stereo-lithography |
| D. | Straight-lipsography |
| Answer» D. Straight-lipsography | |
| 405. |
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 the above |
| Answer» B. Wind-up of drive shafts | |
| 406. |
C0 continuity refers to |
| A. | Common tangent |
| B. | Common curvature |
| C. | Common point |
| D. | Common normal |
| Answer» D. Common normal | |
| 407. |
The parabola is defined mathematically as a curve generated by a point that moves suchthat its distance from the focus is always__________the distance to the directrix |
| A. | larger than |
| B. | smaller than |
| C. | equal to |
| D. | none of the above |
| Answer» D. none of the above | |
| 408. |
Number of displacement polynomials used for an element depends on . |
| A. | nature of element |
| B. | type of an element |
| C. | degrees of freedom |
| D. | nodes |
| Answer» D. nodes | |
| 409. |
If a ‘3 x 3’ matrix shears in Y direction, how many elements of it are ‘0’? |
| A. | 2 |
| B. | 3 |
| C. | 6 |
| D. | 5 |
| Answer» E. | |
| 410. |
Which kind of model can store information about geometry |
| A. | Solid model |
| B. | Surface model |
| C. | Wireframe model |
| D. | none of the above |
| Answer» B. Surface model | |
| 411. |
Support structures are required for ______ |
| A. | thin portions |
| B. | thick portions |
| C. | overhanging portions |
| D. | all of the above |
| Answer» D. all of the above | |
| 412. |
What is the format for the prototyping machine file? |
| A. | .prt |
| B. | .slt |
| C. | .stl |
| D. | .iges |
| Answer» D. .iges | |
| 413. |
The actual thickness of plane strain element is . |
| A. | very large |
| B. | very small |
| C. | assumed by software |
| D. | any of the above |
| Answer» B. very small | |
| 414. |
In homogeneous coordinates value of ‘h’ is consider as 1 & it is called….. |
| A. | Magnitude Vector |
| B. | Unit Vector |
| C. | Non-Zero Vector |
| D. | Non-Zero Scalar Factor |
| Answer» E. | |
| 415. |
From following, the alternative name for RP is ________ |
| A. | Additive Manufacturing |
| B. | Layer Manufacturing |
| C. | Direct CAD Manufacturing |
| D. | All of the above |
| Answer» E. | |
| 416. |
Which of the following is not an FEA package? |
| A. | ANSYS |
| B. | Nastran |
| C. | Abaqus |
| D. | AutoCAD |
| Answer» E. | |
| 417. |
From the following which is the type of FMS layout |
| A. | In line layout |
| B. | Ladder layout |
| C. | Both A &B |
| D. | None of the above |
| Answer» D. None of the above | |
| 418. |
Which one is NOT related to rapid prototyping definition? |
| A. | Layer by layer |
| B. | Physical model |
| C. | From 3D CAD data |
| D. | Production line |
| Answer» E. | |
| 419. |
Example for one – Dimensional element is . |
| A. | triangular element |
| B. | brick element |
| C. | truss element |
| D. | axisymmetric element |
| Answer» D. axisymmetric element | |
| 420. |
We can combine the multiplicative and translational terms for 2D into a singlematrix representation by expanding |
| A. | 2 x 2 matrix into 4x4 matrix |
| B. | 2 x 2 matrix into 3 x 3 |
| C. | 3 x 3 matrix into 2 x 2 |
| D. | Only c |
| Answer» C. 3 x 3 matrix into 2 x 2 | |
| 421. |
In the following geometric modelling techniques which are not three-dimensionalmodelling? |
| A. | Wireframe modelling |
| B. | Drafting |
| C. | Surface modelling |
| D. | solid modelling |
| Answer» C. Surface modelling | |
| 422. |
Which of the process, the input material is in liquid form? |
| A. | LOM |
| B. | SLS |
| C. | FDM |
| D. | MJM |
| Answer» E. | |
| 423. |
The first five digits of the Opitz classification system are ______ |
| A. | Form code |
| B. | Secondary code |
| C. | Supplementary code |
| D. | Stationary code |
| Answer» B. Secondary code | |
| 424. |
Axis-Symmetric element is Element |
| A. | 1D |
| B. | 2D |
| C. | 3D |
| D. | 4D |
| Answer» C. 3D | |
| 425. |
Which of the following is the process in the RP cycle? |
| A. | Post-processing |
| B. | Transfer to machine |
| C. | Pre-processing |
| D. | All of the above |
| Answer» E. | |
| 426. |
How many nodes are there in a tetrahedron element? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 427. |
____ sensors are used to identify objects for pick and place purpose |
| A. | Range detectors |
| B. | Infrared sensors |
| C. | Vision sensors |
| D. | Photo-metric sensors |
| Answer» D. Photo-metric sensors | |
| 428. |
____ is a collection of mechanical linkage connected by joints |
| A. | End effector |
| B. | Gripper |
| C. | Sensor |
| D. | Manipulator |
| Answer» E. | |
| 429. |
Which of the following is not the method of part family formation |
| A. | Visual inspection method |
| B. | Automatic product sorting |
| C. | Parts classification & coding |
| D. | Production flow analysis |
| Answer» C. Parts classification & coding | |
| 430. |
In , the coordinates are mentioned in the program with respect to onePrevious point. |
| A. | Incremental System |
| B. | Absolute System |
| C. | Datum System |
| D. | Screen Coordinates System |
| Answer» B. Absolute System | |
| 431. |
A cam should be designed only using uniform rise and fall within first half of cam profile, the remaining is dwell period, and without any dwell period in between the rise-fall periods and rise and fall periods should be same. The maximum rise in follower is 35 mm. How much the follower will rise when the follower is 240 degrees from its initial position of a cam? |
| A. | 17.5 |
| B. | 11.6 |
| C. | 0 |
| D. | 23.3 |
| Answer» D. 23.3 | |
| 432. |
A cam should be designed only using uniform rise and fall within the second half of cam profile, the first half is dwell period, without any dwell period in between the rise and fall periods and rise and fall periods should be same. The maximum rise in follower is 55 mm. How much the follower will rise when the follower is 240 degrees from its initial position of a cam? |
| A. | 18.3 |
| B. | 0 |
| C. | 27.5 |
| D. | 36.6 |
| Answer» B. 0 | |
| 433. |
A cam should be designed only using uniform rise and fall within the second half of cam profile, the first half is dwell period, without any dwell period in between the rise and fall periods and rise and fall periods should be same. The maximum rise in follower is 45 mm. How much the follower will rise when the follower is 120 degrees from its initial position of a cam? |
| A. | 15 |
| B. | 30 |
| C. | 20 |
| D. | 0 |
| Answer» E. | |
| 434. |
A cam should be designed only using uniform rise and fall within half of the cam, the remaining is dwell period, and without any dwell period in between the rise-fall periods and rise and fall periods should be same. The maximum rise in follower is 45 mm. How much the follower will rise when the follower is 45 degrees from its initial position of a cam? |
| A. | 22.5 |
| B. | 0 |
| C. | 30 |
| D. | 15 |
| Answer» B. 0 | |
| 435. |
For increasing the productivity, CNC system can be interfaced with |
| A. | CAD/CAM |
| B. | DNC |
| C. | FMS |
| D. | All of these |
| Answer» E. | |
| 436. |
CAD stands for _______. |
| A. | Common Aided Design |
| B. | Computer Aided Design |
| C. | Complex Aided Design |
| D. | Communication Aided Design |
| E. | None of these |
| Answer» C. Complex Aided Design | |
| 437. |
CIM II represents the |
| A. | Second generation of development in manufacturing |
| B. | Third generation of development in manufacturing |
| C. | Fourth generation of development in manufacturing |
| D. | Fifth generation of development in manufacturing |
| Answer» E. | |
| 438. |
A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100, 100) on the XY plane (dimensions in mm). the feed rate used for milling is 50 mm/min milling time for the slot (in seconds) is |
| A. | 120 |
| B. | 170 |
| C. | 180 |
| D. | 240 |
| Answer» C. 180 | |
| 439. |
'Qualified tooling' and 'preset tooling', these two basic types of tooling are used in : |
| A. | Conventional lathe machines |
| B. | Conventional milling machines |
| C. | Unconventional machining centres |
| D. | NC turning machines |
| Answer» E. | |
| 440. |
For thread cutting and drilling cycles following codes are used: |
| A. | G - 33 and G - 83 respectively |
| B. | G - 83 and G - 33 respectively |
| C. | G - 81 and G - 83 respectively |
| D. | G - 33 and G - 81 respectively |
| Answer» E. | |
| 441. |
Offset command can be used for drawing |
| A. | Infinite lines |
| B. | Parallel lines |
| C. | Intersecting lines |
| D. | Perpendicular lines |
| Answer» C. Intersecting lines | |
| 442. |
For machining a rectangular island represented by coordinates P(0,0), Q(100,0), R(100,50) and (0,50) on a casting using CNC milling machine, an end mill with a diameter of 16 mm is used. The trajectory of the cutter centre to machine the island PQRS is |
| A. | (−8, −8), (108, −8), (108,58), (−8,58) , (−8, −8) |
| B. | (8,8), (94,8), (94,44), (8,44), (8,8) |
| C. | (−8,8), (94,0), (94,44), (8,44), (−8,8) |
| D. | (0,0), (100,0), (100,50), (50,0), (0,0) |
| Answer» B. (8,8), (94,8), (94,44), (8,44), (8,8) | |
| 443. |
A drill bit is positioned in absolute system at A (2.5, 1.2) and it has to move to point B (12.5, 24.2). In CNC program, the coordinates of B in an incremental system will be: |
| A. | (12.5, 24.2) |
| B. | (24.2, 1.2) |
| C. | (10.0, 23.0) |
| D. | (23.0, 10.0) |
| Answer» D. (23.0, 10.0) | |
| 444. |
A taper hole is inspected using a CMM, with a probe of 2 mm diameter. At a height, Z=10 mm from the bottom, 5 points are touched and a diameter of circle (not compensated for probe size) is obtained as 20 mm. similarly, a 40 mm diameter is obtained at a height Z=40 mm. The smaller diameter (in mm) of hole at Z=0 is |
| A. | 13.334 |
| B. | 15.334 |
| C. | 15.442 |
| D. | 15.542 |
| Answer» B. 15.334 | |
| 445. |
In the CNC part programs, commands that remains in effect in multiple blocks until they are changed by another command from the same group are called |
| A. | Standard commands |
| B. | Modal commands |
| C. | Non modal commands |
| D. | Miscellaneous commands |
| Answer» C. Non modal commands | |
| 446. |
CIM Wheel was developed by |
| A. | CASA/SME in 1975 |
| B. | ASTI/MRP in 1875 |
| C. | MRSA/SEM in 1965 |
| D. | CIMA/ASM in 1985 |
| Answer» B. ASTI/MRP in 1875 | |
| 447. |
______ is usually employed in the open-loop control system. |
| A. | Servo motor |
| B. | Stepper motor |
| C. | Induction motor |
| D. | Brush-less DC motor |
| Answer» C. Induction motor | |
| 448. |
A part programme for any arbitrary object is given as follows:N001 G91 G71 M03 S600 EOBN002 G00 X 10.00 Y10.00 EOBN003 G00 Z-10.00 EOBN004 G83 Z-60.00 F100 EOBN005 G80 EOBN006 M02 EOBThe above programming format will be used as Canned cycle for |
| A. | Drilling |
| B. | Tapping |
| C. | Boring |
| D. | Grooving |
| Answer» B. Tapping | |
| 449. |
In NC machining, coordinated movement of separately driven axes motion is required to achieve the desired path of tool relative to workpiece. The generation of these reference signals is accomplished through a device called |
| A. | approximator |
| B. | interpolator |
| C. | coordinator |
| D. | director |
| Answer» C. coordinator | |
| 450. |
In NC machines, slides are positioned by hydraulic ram and are influenced by |
| A. | length of stroke and mass to be displaced |
| B. | feed and spindle speed |
| C. | length of stroke and feed |
| D. | spindle speed and mass to be displaced |
| Answer» D. spindle speed and mass to be displaced | |