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				This section includes 464 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. | In a “first angle” orthographic projection, the distance of a point lying on the object being projected, from HP will be visible in: | 
| A. | Front view | 
| B. | Top view | 
| C. | Front view and side view | 
| D. | All the three views | 
| Answer» D. All the three views | |
| 2. | Isometric projection of a sphere is | 
| A. | Circle | 
| B. | Ellipse | 
| C. | Hyperbola | 
| D. | Parabola | 
| Answer» B. Ellipse | |
| 3. | For complete description of a component, a machine drawing would require minimum how many orthographic projections? | 
| A. | 1 | 
| B. | 2 | 
| C. | 3 | 
| D. | 4 | 
| Answer» D. 4 | |
| 4. | As per (BIS) is: 10711, the Title Block | 
| A. | Bottom left | 
| B. | Top left | 
| C. | Bottom right | 
| D. | Top right | 
| Answer» D. Top right | |
| 5. | A sectioning plane cuts a cone such that it is inclined to cone axis at an angle other than 90° and it cuts all its generators. The section so cut is | 
| A. | Rectangular Hyperbola | 
| B. | A Parabola | 
| C. | A Hyperbola | 
| D. | An ellipse | 
| Answer» E. | |
| 6. | Circular shapes appear in this fashion when viewed at an angle other than 90 degrees | 
| A. | Circular | 
| B. | Elliptical | 
| C. | Lengthened | 
| D. | Angular | 
| Answer» C. Lengthened | |
| 7. | If both the front and top views of a plane are straight lines, it may be | 
| A. | Perpendicular to both horizontal and vertical planes | 
| B. | Parallel to horizontal plane and perpendicular to vertical plane | 
| C. | Perpendicular to horizontal plane and parallel to vertical plane | 
| D. | Parallel to both horizontal and vertical planes | 
| Answer» B. Parallel to horizontal plane and perpendicular to vertical plane | |
| 8. | Angles project true size only when the plane containing the angle and plane of projection are | 
| A. | Aligned | 
| B. | Adjacent | 
| C. | Perpendicular | 
| D. | Parallel | 
| Answer» E. | |
| 9. | Hidden lines are drawn as | 
| A. | dashed narrow lines | 
| B. | dashed wide lines | 
| C. | long-dashed dotted wide line | 
| D. | long-dashed double dotted wide line | 
| Answer» B. dashed wide lines | |
| 10. | If a line is parallel to V.P. and inclined to H.P., its top view will be | 
| A. | A point | 
| B. | A line of larger dimension | 
| C. | A line of smaller dimension | 
| D. | A line of same dimension | 
| Answer» D. A line of same dimension | |
| 11. | If a line is parallel to H. P. and inclined to V. P., its front view will be | 
| A. | a line of smaller dimension | 
| B. | a line of larger dimension | 
| C. | a line of same dimension | 
| D. | a point | 
| Answer» B. a line of larger dimension | |
| 12. | If a thread is wound around a cone, starting from a point on the base, and brought back to the same point, then the shortest possible length of the thread is equal to the | 
| A. | Diameter of the base of the cone | 
| B. | Slant height of the cone | 
| C. | Largest chord of the development sector | 
| D. | Length of the perpendicular from a corner of the development sector to the opposite edge | 
| Answer» D. Length of the perpendicular from a corner of the development sector to the opposite edge | |
| 13. | Curve generated by a fixed point on the circumference of a circle which rolls without slipping along a fixed straight line. | 
| A. | Involute | 
| B. | Cycloid | 
| C. | Spiral | 
| D. | Helix | 
| Answer» C. Spiral | |
| 14. | In an engineering drawing, it is written scale 1 cm = 100 m. Which ratio does it correspond to? | 
| A. | 1: 100 | 
| B. | 1: 1000 | 
| C. | 1: 10,000 | 
| D. | 1: 1,00,000 | 
| Answer» D. 1: 1,00,000 | |
| 15. | A drawing which shows the product with its components in their correct physical relationship is called | 
| A. | Part drawing | 
| B. | Layout drawing | 
| C. | Assembly drawing | 
| D. | Fabrication drawing | 
| Answer» D. Fabrication drawing | |
| 16. | In Isometric projection, objects are drawn with __________ | 
| A. | Reduced dimensions | 
| B. | Actual dimensions | 
| C. | Increased dimensions | 
| D. | Depends on the size of the drawing | 
| Answer» E. | |
| 17. | For Engineering Drawings, match the Col. X and Col. Y Col. X (Type) Col. Y (Use) P. Large sized letters 1. Sub-Titles Q. Medium sized letters 2. Dimensions R. Small sized letters 3. Main Titles | 
| A. | P – 3, Q – 1, R - 2 | 
| B. | P – 2, Q – 1, R - 3 | 
| C. | P – 3, Q – 2, R - 1 | 
| D. | P – 2, Q – 3, R - 1 | 
| Answer» B. P – 2, Q – 1, R - 3 | |
| 18. | In Engineers scales, designation M5 indicates the scales ____________ | 
| A. | 1 : 200 | 
| B. | 1 : 10 | 
| C. | 1 : 50 | 
| D. | 1 : 400 | 
| Answer» B. 1 : 10 | |
| 19. | If the development of the lateral surface of a cone is a semicircle, then | 
| A. | The slant height of the cone < diameter of the base of the cone | 
| B. | The slant height of the cone > diameter of the base of the cone | 
| C. | The slant height of the cone = diameter of the base of the cone | 
| D. | The slant height of the cone = radius of the base of the cone | 
| Answer» E. | |
| 20. | A circle rolls without slipping on a flat surface. The path traced by a point, lying on circle’s periphery during its rolling is: | 
| A. | Involute | 
| B. | Hyperbola | 
| C. | Epicycloid | 
| D. | Cycloid | 
| Answer» E. | |
| 21. | In Isometric view, two sides are inclined at __________ to the height of axis | 
| A. | 60° | 
| B. | 45° | 
| C. | 30° | 
| D. | 15° | 
| Answer» B. 45° | |
| 22. | A third angle orthographic projection of an object is given below. What is this object? | 
| A. | Triangle | 
| B. | Trapezium | 
| C. | Cone | 
| D. | Frustrum of a cone | 
| Answer» E. | |
| 23. | If a line is parallel to H.P. and inclined to V.P., its true length will be seen in | 
| A. | Front view | 
| B. | Top view | 
| C. | Side view | 
| D. | Both front and top views | 
| Answer» C. Side view | |
| 24. | _____ is used to communicate information to industry | 
| A. | machine drawing | 
| B. | Design data | 
| C. | Installation drawing | 
| D. | Patent drawing | 
| Answer» B. Design data | |
| 25. | Match Col. X (Line Type) with Col. Y (Application)Col. XCol. Y P. 1. Centre lines Q. 2. Ground lines R. 3. Hidden edges S. 4. Long break lines | 
| A. | P – 2, Q – 1, R – 4, S - 3 | 
| B. | P – 3, Q – 1, R – 2, S - 4 | 
| C. | P – 4, Q – 3, R – 1, S - 2 | 
| D. | P – 2, Q – 1, R – 3, S - 4 | 
| Answer» C. P – 4, Q – 3, R – 1, S - 2 | |
| 26. | Projection of an object shown by three views is known as | 
| A. | Oblique | 
| B. | Orthographic | 
| C. | Isometric | 
| D. | Perspective | 
| Answer» C. Isometric | |
| 27. | A square lamina is perpendicular to both the reference planes. Its top and front views will be | 
| A. | The straight lines | 
| B. | The squares | 
| C. | A square and a straight line respectively | 
| D. | A straight line and a square respectively | 
| Answer» B. The squares | |
| 28. | An isometric projection plane is one which is inclined to the three orthogonal planes at: | 
| A. | 30° | 
| B. | 60° | 
| C. | 15° | 
| D. | Equally | 
| Answer» E. | |
| 29. | In a rectangular hyperbola, if a curve is traced out by a point moving in such a way that the product of its distances from two fixed lines at right angles to each other is a constant, then those fixed lines are called | 
| A. | asymptotes | 
| B. | intercepts | 
| C. | holes | 
| D. | limits | 
| Answer» B. intercepts | |
| 30. | In the first-angle projection system, the right-hand side view of an object is drawn | 
| A. | right of the elevation | 
| B. | above the elevation | 
| C. | left of the elevation | 
| D. | below the elevation | 
| Answer» D. below the elevation | |
| 31. | In multi-view projections, the XY line is known as | 
| A. | horizontal line | 
| B. | vertical line | 
| C. | traces | 
| D. | reference line | 
| Answer» E. | |
| 32. | A cone resting on its base in horizontal plane (HP) is cut by a plane inclined to the axis and parallel to one of its generators, the sectional view will be | 
| A. | Ellipse | 
| B. | Parabola | 
| C. | Hyperbola | 
| D. | Circle | 
| Answer» C. Hyperbola | |
| 33. | Dimensions in a series may be placed in any one of the following ways, except | 
| A. | progression dimensioning | 
| B. | proportional dimensioning | 
| C. | continuous dimensioning | 
| D. | chain dimensioning | 
| Answer» C. continuous dimensioning | |
| 34. | As per IS962-1989, the minimum space between parallel lines including hatching is: | 
| A. | Not less than 0.7 mm | 
| B. | Not less than 10 mm | 
| C. | Less than 0.7 mm | 
| D. | Less than 10 mm | 
| Answer» B. Not less than 10 mm | |
| 35. | If a circular plane is inclined at 60° with the H.P. and 30° with the V.P., its side view will be | 
| A. | a circle | 
| B. | a straight line | 
| C. | an ellipse | 
| D. | true shape | 
| Answer» C. an ellipse | |
| 36. | First angle and third angle projection methods are used in drawing ______ | 
| A. | Perspective projection | 
| B. | Oblique projection | 
| C. | Areal projection | 
| D. | Orthographic projection | 
| Answer» E. | |
| 37. | In __________ opposite sides are equal and parallel, but angle are not right angles. | 
| A. | Rhombus | 
| B. | Trapezium | 
| C. | Rectangle | 
| D. | Trapezoid | 
| Answer» B. Trapezium | |
| 38. | For profile controls, datum is | 
| A. | Allowed but not required | 
| B. | Not allowed | 
| C. | Required | 
| D. | None of these | 
| Answer» B. Not allowed | |
| 39. | In the first-angle projection method, the relative positions of the observer, object and plane are | 
| A. | Plane is placed between observer and object | 
| B. | Observer is placed between object and plane | 
| C. | Object is placed between observer and plane | 
| D. | May be placed in any order | 
| Answer» D. May be placed in any order | |
| 40. | For drawing engineering curves, which is correct option (e = eccentricity) | 
| A. | For Ellipse, e > 1 | 
| B. | For Parabola, e < 1 | 
| C. | For Hyperbola, e = 1 | 
| D. | For Parabola, e = 1 | 
| Answer» E. | |
| 41. | If a thin rectangular plate of 60 mm × 30 mm is inclined at an angle of 60° to the Horizontal Plane, its top view may be: | 
| A. | Square of 30 mm size | 
| B. | Square of 60 mm size | 
| C. | Rectangle of 60 mm × 45 mm size | 
| D. | Rectangle of 45 mm × 30 mm size | 
| Answer» B. Square of 60 mm size | |
| 42. | In Oblique projection, projectors from an object are parallel to each other and _________ to the plane of projection. | 
| A. | Inclined | 
| B. | Perpendicular | 
| C. | Parallel | 
| D. | Cross | 
| Answer» B. Perpendicular | |
| 43. | If an object lies in the third quadrant, its position with respect to reference planes will be | 
| A. | In front of V.P, above H.P | 
| B. | Behind V.P., above H.P. | 
| C. | Behind V.P., below H.P. | 
| D. | In front of V.P., below H.P. | 
| Answer» D. In front of V.P., below H.P. | |
| 44. | An Auto-CAD term that refers to a pre-drawn object which is stored in a drawing file and can be inserted into any other drawing file as needed is a __________. | 
| A. | lock | 
| B. | rick | 
| C. | alloon | 
| D. | one of the above | 
| Answer» B. rick | |
| 45. | Referring to the fractional inches to decimal inches to millimeter conversion chart on page 55 what is the equivalent mm measurement of3/16 inch. | 
| A. | 0.906 | 
| B. | 0.7625 | 
| C. | 0.958 | 
| D. | 4.6844 | 
| Answer» C. 0.958 | |
| 46. | Most architectural firms and mechanical design companies utilize different categories of blocks. These sets of blocks are usually housed in _________. | 
| A. | lock vaults | 
| B. | lock libraries | 
| C. | lock books | 
| D. | lock references | 
| Answer» C. lock books | |
| 47. | In some circumstances an entire drawing can be inserted into a different drawing as a block. When this is used the base point will default to _________. | 
| A. | , 0 | 
| B. | 0, 10 | 
| C. | 0, 20 | 
| D. | 0, 30 | 
| Answer» B. 0, 10 | |
| 48. | A circular plane with a 60 mm diameter is resting on a point of its circumference on the V.P. The surface of the plane is inclined at 45° to the V.P. and perpendicular to H.P. Its front view will be? | 
| A. | a straight line | 
| B. | an ellipse | 
| C. | a circle | 
| D. | a rectangle | 
| Answer» C. a circle | |
| 49. | If a line is inclined to Vertical Plane and parallel to Horizontal Plane, then which of the following statements is always correct ? | 
| A. | True Length = Plan Length | 
| B. | True Length = Elevation Length | 
| C. | True Length < Plan Length | 
| D. | Vertical Trace of the line is above the XY plane | 
| Answer» B. True Length = Elevation Length | |
| 50. | Isometric drawings fall into the category of | 
| A. | multi-view drawings | 
| B. | oblique drawings | 
| C. | axonometric drawings | 
| D. | perspective drawings | 
| Answer» D. perspective drawings | |