PREVIOUS YEAR QUESTION PAPERS CAD & CAM ( KUK )

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PREVIOUS YEAR UNSOLVED QUESTION PAPERS – 1 (KURUKSHETRA UNIVERSITY)
CAD / CAM
QUE NO. – 1
(A)   DEFINE CAD CAM & CIM. GIVE A BRIEF DESCRIPTION OF THEIR APPLICATION IN INDUSTRIES?
(B) DEFINE EXPLICT, IMPLICIT AND PARAMETRIC REPRESENTATION AND WHAT ARE THEIR ADVANTAGES?
QUE NO. – 2
 (A)   WHAT IS GROUP TECHNOLOGY? DISCUSS MACHINE CELL DESIGN IN G.T. ?
 (B)  EXPLAIN THE BASIC CONCEPT OF GEOMETRIC AND SOLID MODELLING USED IN CAD APPLICATION?
QUE NO – 3
 FIND THE DEGREE OF BEZIER CURVE CONTROLLED BY THREE POINTS (4, 2), (0, 0) AND (2, 8). ALSO  FIND THE EQUATION OF THE BEZIER CURVE IN PARAMETRIC FORMAT WITH PARAMETER “µ”?
QUE NO. – 4
EXPLAIN 3-D SCALING, ROTATION, REFLECTION AND TRANSLATION WITH SUITABLE EXAMPLE?
QUE NO.–5
(A) DISCUSS BRIEFLY SWEEP REPRESENTATION GIVING BASIC ELEMENTS AND BUILDING OPERATION WITH EXAMPLES?
 (B) DEFINE SURFACE ENTITIES AND DERIVES THE PARAMETRIC EQUATIONS OF THE FOUR ANALYTICAL SURFACE MODELS?
QUE NO. – 6
EXPLAIN THE BASIC ELEMENTS OF CONSTRUCTIVE SOLID GEOMETRY MODEL. DISCUSS THE MAIN BUILDING OPERATION OF CONSTRUCTIVE SOLID GEOMETRY SCHEMES WITH EXAMPLES?
QUE NO. – 7
WHAT ARE THE BASIC COMPONENTS OF NC SYSTEM AND EXPLAIN THE FUNCTION OF EACH COMPONENT?
QUE NO. – 8
DEFINE THE FLEXIBILITY IN FMS. WHAT ARE THE VARIOUS LAYOUTS USED IN FMS DESIGN? EXPLAIN THEM WITH THEIR APPLICATION?

PREVIOUS YEAR UNSOLVED QUESTION PAPERS – 2 (KURUKSHETRA UNIVERSITY)
CAD / CAM
QUE NO. – 1
(A)   DEFINE CAD CAM & CIM. GIVE A BRIEF DESCRIPTION OF THEIR APPLICATION IN INDUSTRIES?
(B) DEFINE EXPLICIT, IMPLICIT AND PARAMETRIC REPRESENTATION AND WHAT ARE THEIR ADVANTAGES?
QUE NO. – 2
(A)   DESCRIBE PART CLASSIFICATION AND COOLING USED IN GROUP TECHNOLOGY?
(B)    DISCUSS BASIC CONCEPT OF GEOMETRIC AND SOLID MODELLING USED IN CAD APPLICATION?
QUE NO. – 3
FIND THE TRANSFORMED COORDINATES WHEN A SQUARE [(1,1), (2,1), (1,2) AND (2,2)] IS ROTATED BY 90° ANTICLOCKWISE ABOUT A LINE PASSING THROUGH ONE OF ITS VERTEX (1,1) AND PARALLEL TO X-AXIS ?
QUE NO. – 4
FIND THE TRANSFORMED COORDINATES WHEN A SQUARE [(1,1), (2,1), (1,2) AND (2,2)] IS SCALED FOR
(A)      UNIFORM SCALLING WITH A FACTOR OF 2 IN XY PLANE?
(B)     NON UNIFORM SCALLING WITH A FACTOR OF A AND 1.5 IN X AND Y DIRECTIONS, WHILE ANCHORING POINT (1,1) ? 
QUE NO. – 5
EXPLAIN VARIOUS TYPES OF SURFACE ENTITIES.  DERIVE THE PARAMETRIC EQUATIONS OF THE FOUR ANALYTICAL SURFACE MODELS?
QUE NO. – 6
EXPLAIN IN BRIEF THE BASIC ELEMENTS OF A CSG MODEL. DISCUSS THE MAIN BUILDING OPERATION OF CSG SCHEMES WITH EXAMPLES?
QUE NO. – 7
(A)     DISCUSS FIXED PROGRAMMABLE AND FLEXIBLE AUTOMATION USED IN INDUSTRIES WITH EXAMPLES?
(B)     DESCRIBE VARIOUS NC COORDINATE SYSTEM USED FOR NC SYSTEM?
QUE NO. – 8
DESCRIBE VARIOUS G AND M CODES USED IN CNC MACHINES?


PREVIOUS YEAR UNSOLVED QUESTION PAPERS – 3 (KURUKSHETRA UNIVERSITY)
CAD / CAM
QUE NO. – 1
(A)   DEFINE CAD CAM & CIM. GIVE A BRIEF DESCRIPTION OF THEIR APPLICATION IN INDUSTRIES?
(B) DEFINE EXPLICT, IMPLICT AND PARAMETRIC REPRESENTATION AND WHAT ARE THEIR ADVANTAGES?
QUE NO. – 2
(A)     WHAT IS GROUP TECHNOLOGY? DISCUSS MACHINE CELL DESIGN IN G.T.?
(B)      DISCUSS THE ADVANTAGE OF GROUP TECHNOLOGY?
QUE NO. – 3
(A)   FIND THE TRANSFORMED COORDINATES WHEN A LINE [(3,4), (4,2),] IS ROTATED ABOUT A Z- AXIS BY AN ANGLE OF 45° IN ANTICLOCKWISE DIRECTION?
(B)   THE PARAMETRIC EQUATION OF THE HELIX WITH A RADIUS A AND A PITCH IS GIVEN BY
P(u) = [Acos2πu asin2nu 2bπu]T , 0≤u≤1
FIND THE NON PARAMETRIC EQUATION OF THE HELIX?

QUE NO. – 4
FIND THE RADIUS AND THE CENTER OF A CIRCLE PASSING THROUGH THREE POINTS?
QUE NO. – 5
NAME ANALYTICAL SURFACE ENTITIES. EXPLAIN?
QUE NO. – 6
WHAT ARE THE BASIC ELEMENTS OF A BOUNDARY REPRESENTED SOLID MODEL SCHEME? EXPLAIN BRIEFLY. DEVELOP AN ALGORITHM FOR PLANAR INTERSECTION POLYGON OF TWO SOLID USING B-rep. SCHEME?
QUE NO. – 7
(A)   WHAT ARE THE BASIC COMPONENTS OF NC SYSTEM AND EXPLAIN THE FUNCTION OF EACH COMPONENT?
(B)   DESCRIBE NC MANUAL PART PROGRAMMING WITH EXAMPLE?
QUE NO. – 8
(A)   DESCRIBE VARIOUS G AND M CODES USED IN CNC LATHE MACHINES?
(B)   DISCUSS COMPUTER ASSISTED PART PROGRAMMING FOR CNC MACHINES?

PREVIOUS YEAR UNSOLVED QUESTION PAPERS – 4 (KURUKSHETRA UNIVERSITY)
CAD / CAM
QUE NO. – 1
(A)     DEFINE CAD CAM & CIM. GIVE A BRIEF DESCRIPTION OF THEIR APPLICATION IN INDUSTRIES?
(B)     WHAT IS SOLID MODELLING? GIVE ITS APPLICATION?
QUE NO. – 2
FIND THE TRANSFORMED COORDINATES WHEN A SQUARE [(1,1), (2,1), (1,2) AND (2,2)] IS ROTATED BY 90° ANTICLOCKWISE ABOUT A LINE PASSING THROUGH ONE OF ITS VERTEX (1,1) AND PARALLEL TO X-AXIS ?
QUE NO. – 3
DRIVE AN EQUATION OF B-SPLINE QUADRATIC CURVE WITH 3 POINTS (4,2) (0,0) AND (2,8) ?
QUE NO. – 4
EXPLAIN VARIOUS TYPES OF SURFACE ENTITIES.  DERIVE THE PARAMETRIC EQUATIONS OF THE FOUR ANALYTICAL SURFACE MODELS?
QUE NO. – 5
EXPLAIN CONSTRUCTIVE SOLID GEOMETRY MODELLING TECHNIQUES IN DETAIL WITH EXAMPLE?
QUE NO. – 6
EXPLAIN PART PROGRAMMING FOR A SIMPLE PART WITH AN EXAMPLE?
QUE NO. – 7
(A)   WHAT ARE PART FAMILIES IN GROUP TECHNOLOGY? DISCUSS MACHINE CELL DESIGN IN G.T.
(B)   WHAT IS FLEXIBLE MANUFACTURING SYSTEM? DISCUSS VARIOUS FMS LAYOUTS USED?
QUE NO. – 8
WHAT IS COMPUTER AIDED PROCESS PLANNING? DISCUSS VARIANT PROCESS PLANNING IN DETAIL WITH AN EXAMPLE?


PREVIOUS YEAR UNSOLVED QUESTION PAPERS – 5 (KURUKSHETRA UNIVERSITY)
CAD / CAM
QUE NO. – 1
(A)     DEFINE CAD CAM & CIM. GIVE A BRIEF DESCRIPTION OF THEIR APPLICATION IN INDUSTRIES?
(B)    DEFINE EXPLICT, IMPLICT AND PARAMETRIC REPRESENTATION AND WHAT ARE THEIR ADVANTAGES?
QUE NO. – 2
FIND THE TRANSFORMED COORDINATES WHEN A SQUARE [(1,1), (2,1), (1,2) AND (2,2)] IS ROTATED BY 90° ANTICLOCKWISE ABOUT A LINE PASSING THROUGH ONE OF ITS VERTEX (1,1) AND PARALLEL TO X-AXIS ?
QUE NO. – 3
(A)     FIND THE COORDINATES OF THE HERMITE CUBIC CURVE AT u = 0.25, WHEN CURVE START FROM THE (0,3) & ENDS UP (4,2) WITH TANGENT AT THE START IS DEFINED BY ANGLE 45° AND 90°?
(B)     EXPLAIN THE CHARACTERISTICS OF BEZIER CURVE?
QUE NO. – 4
(A)   EXPLAIN TYPES OF SURFACES USED IN CAD WITH THE HELP OF NEAT SKETCHES?
(B)   EXPLAIN PARAMETRIC REPRESENTATION OF SURFACES?
QUE NO. – 5
(A)   EXPLAIN BOUNDARY REPRESENTATION (B-rep) SCHEME USED FOR THE REPRESENTATION OF SOLID IN CAD?
(B)   EXPLAIN THE BASIC COMPONENTS OF A NC SYSTEM?
QUE NO. – 6
(A)   EXPLAIN THE CONCEPT OF DIRECT NUMERICAL CONTROL (DNC) SYSTEMS?
(B)   DEFINE COMPUTER NUMERICAL CONTROL (CNC). EXPLAIN FUNCTION OF CNC?
QUE NO. – 7
 EXPLAIN FLEXIBLE MANUFACTURING SYSTEM (FMS) LAYOUT WITH THE HELP OF NEAT SKETCHES?
QUE NO. – 8
WHAT IS GROUP TECHNOLOGY? DISCUSS MACHINE CELL DESIGN IN G.T.?

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