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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 | |