CAD-CAM and Automation MCQ Questions and answers

A

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Q. In which system we get feedback?

(A) Open-loop system
(B) Machine control system
(C) Closed-loop system
(D) None of the above

A

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Q. How many maximum tools can ATC hold?

(A) 60
(B) 80
(C) 90
(D) 100

A

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Q. In the CNC machine which device used to hold the workpiece?

(A) Automatic pallet changer
(B) Automatic work part positioner
(C) A & B both
(D) None of the above

A

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Q. 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)

A

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Q. NC contouring is an example of

(A) Continuous path positioning
(B) Point-to-point positioning
(C) Absolute positioning
(D) Incremental positioning

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Q. 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

A

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Q. In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right compensation, the trajectory of the cutter will be

(A) (-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)
(B) (0,-5), (55,-5), (55, 35), (-5, 35), (-5,-5)
(C) (5, 5), (5, 25), (45, 25), (45, 5), (5, 5)
(D) (5, 5), (45, 5), (45, 25), (5, 25), (5, 5)

A

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Q. 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

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Q. From following, the alternative name for RP is ________

(A) Additive Manufacturing
(B) Layer Manufacturing
(C) Direct CAD Manufacturing
(D) All of the above

A

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Q. Input of RP data is ______

(A) CAM data
(B) CAPP data
(C) CAD data
(D) All of the above

CAD-CAM and Automation MCQs with answers Page - 22

Q. In which system we get feedback?

Q. How many maximum tools can ATC hold?

Q. In the CNC machine which device used to hold the workpiece?

Q. 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

Q. NC contouring is an example of

Q. With reference to NC machines, which of the following statements is wrong

Q. In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right compensation, the trajectory of the cutter will be

Q. The lost motion in CNC machine tool is on account of

Q. From following, the alternative name for RP is ________

Q. Input of RP data is ______

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