# Multiple choice question for engineering

## Set 1

1. When a solid is placed such that axis is inclined with the H.P and parallel to the V.P. Its projections are drawn in __________ stages.

a) 1

b) 4

c) 2

d) 3

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2. A hexagonal pyramid first placed in such a way its axis is perpendicular to V.P and one edge AB parallel to H.P and then next this is turned about its axis so the base AB is now making some angle with H.P. The top view for previous and later one will be having different shapes.

a) True

b) False

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3. A regular cone first placed in such a way its axis is perpendicular to H.P and next this is tilted such that its base is making some acute angle with H.P. The top view for previous and later one will be ____________

a) triangle, triangle

b) irregular shape of circle and triangle, triangle

c) circle, irregular shape of circle and triangle

d) circle, triangle

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4. A regular cone first placed in such a way its axis is perpendicular to H.P and next this is tilted such that its base is making some acute angle with H.P. The front view for previous and later one will be having same shape.

a) True

b) False

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5. A regular pentagon prism first placed in such a way its axis is perpendicular to H.P and one edge is parallel to V.P and next this is tilted such that its axis is making some acute angle with H.P. The front view for previous and later one will be _____________

a) pentagon, rectangle

b) rectangle, pentagon

c) rectangle, rectangle

d) irregular hexagon, pentagon

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6. A cylinder first placed in such a way its axis is perpendicular to H.P and next this is tilted such that its axis is making some acute angle with H.P. The top view for previous and later one will be ____________

a) circle, rectangle with circular ends

b) rectangle, rectangle

c) rectangle with circular ends, rectangle

d) circle, rectangle

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7. A cylinder first placed in such a way its axis is perpendicular to H.P and next this is tilted such that its axis is making some acute angle with H.P. The front view for previous and later one will be __________

a) circle, rectangle with circular ends

b) rectangle, rectangle

c) rectangle with circular ends, rectangle

d) circle, rectangle

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8. A triangular pyramid is placed such that its axis is perpendicular to H.P and one of its base’s edges is parallel to H.P the front view and top view will be _________________

a) Triangle of base, triangle due to slanting side

b) Triangle due to slanting side, triangle of base

c) Triangle of base, rhombus

d) Rhombus, triangle of base

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9. A square pyramid is placed such that its axis is inclined to H.P and one of its base’s edges is parallel to V.P the front view and top view will be ______________

a) Square, Isosceles triangle

b) Irregular pentagon, square

c) Isosceles triangle, irregular pentagon

d) Pentagon, equilateral triangle

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10. A square prism is placed such that its axis is inclined to H.P and one of its base’s edges is parallel to V.P the front view and top view will be ____________

a) square, irregular polygon

b) irregular polygon, square

c) square, rectangle

d) rectangle, irregular polygon

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11. A regular cone having its axis parallel to V.P and perpendicular to H.P at first but then the cone’s axis keeping parallel to V.P and rotated such that its new axis is perpendicular to previous axis. The front view of the previous and later one is ______________

a) circle, triangle

b) circle, triangle with circular base

c) triangle, triangle

d) circle, circle

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12. A regular cone having its axis parallel to V.P and perpendicular to H.P at first but then the cone’s axis keeping parallel to V.P and rotated such that its new axis is perpendicular to previous axis. The top view of the previous and later one is ___________

a) circle, triangle

b) circle, triangle with circular base

c) triangle, triangle

d) circle, circle

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13. A tetrahedron is made to place on H.P that is with its axis perpendicular to it and one of the edges of base parallel to V.P and then the tetrahedron is made to rotate w.r.t to H.P up to an acute angle. The top view of previous and later one is _____________

a) isosceles triangle, Isosceles triangle

b) equilateral triangle, isosceles triangle

c) equilateral triangle, square

d) square, irregular polygon of 4 sides

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## Set 2

1. Unit for moment of inertia is _____________

a) m^{3}

b) m^{4}

c) m^{2}/sec

d) m^{3}/sec

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^{2}product is m

^{4}.

2. Moment of inertia of circle about the axis which is passing through its center and perpendicular to that circle is _____________

a) πd^{4}/32

b) πd^{3}/32

c) πd^{3}/16

d) πd^{4}/16

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3. Moment of inertia of a rectangle whose base is b and height is h and axis is along base is __________

a) b*h^{3}/3

b) h*b^{3}/3

c) b*h^{4}/6

d) b*h^{3}/12

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4. Moment of inertia of a rectangle whose base is b and height is h and axis is alongside of height is ________

a) b*h^{3}/3

b) h*b^{3}/3

c) b*h^{4}/6

d) b*h^{3}/12

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5. Moment of inertia of a triangle having base as b and height as h and axis is along the centroid and parallel the base.

a) b*h^{3}/12

b) b*h^{3}/24

c) b*h^{3}/36

d) b*h^{3}/6

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6. Moment of inertia of a triangle having base as b and height as h and axis is along the centroid and parallel the height.

a) b*h^{3}/12

b) h*b^{3}/36

c) b*h^{3}/36

d) b*h^{3}/6

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7. A rectangle is having base b and height h. The ratio of moment of inertia when axis is passing through its base to moment of inertia of when axis passing through center of gravity and parallel to base is ___________

a) 3

b) 4

c) 12

d) 9

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8. A triangle is having base b and height h. The ratio of moment of inertia when axis is passing through its base to moment of inertia of when axis passing through centroid and parallel to base is ______

a) 3

b) 6

c) 12

d) 9

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9. The moment of inertia is minimum when the axis is _________

a) passing through center of object

b) passing along x-axis

c) passing along y-axis

d) passing through centroid of object

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10. In the polar moment of inertia the axis is perpendicular to _____________

a) depends on object

b) x-axis

c) z-axis

d) y-axis

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## Set 3

1. The angle of chamfer for hexagonal and square nut is ____ degrees as per standards.

a) 30

b) 45

c) 60

d) 15

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2. The angle through which the spanner will have to be turned to get next hold is ____ degrees in case of hexagonal shape.

a) 90

b) 60

c) 30

d) 45

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3. Width across the flats in case of hexagonal nut is___ where D is the diameter of shank.

a) 2D

b) 1.5D +3mm

c) 1.4D

d) 1.5D

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4. Distance across diagonally opposite corners in case of hexagonal nut is ______ where D is nominal diameter.

a) 2D

b) 1.5D +3mm

c) 1.4D

d) 1.5D

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5. What is the name of the nut which is a hexagonal nut with a washer?

a) Dome nut

b) Wing nut

c) Flanged nut

d) Cap nut

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6. What is the name of the nut which is a hexagonal nut provided with a cylindrical cap?

a) Dome nut

b) Wing nut

c) Flanged nut

d) Cap nut

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7. What is the name of the nut which is a cap nut with spherical dome at the top?

a) Dome nut

b) Wing nut

c) Flanged nut

d) Cap nut

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8. What is the name of the nut which can be easily operated by the thumb and a finger?

a) Ring nut

b) Wing nut

c) Cap nut

d) Flanged nut

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9. What is the name of the nut which is in form of a ring provided with slots in the curved surface for c-spanner?

a) Ring nut

b) Wing nut

c) Capstan nut

d) Flanged nut

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10. What is the outer diameter of washer when nominal diameter of bolt is 5 mm?

a) 13 mm

b) 15 mm

c) 10 mm

d) 12 mm

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11. What is the thickness of washer when nominal diameter of bolt is D?

a) 0.12D

b) 0.1D

c) D

d) 0.09D

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## Set 4

1. Oblique projections are useful for making an assembly.

a) True

b) False

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2. Lines of sights (projectors) for oblique projection will be ______________

a) Parallel to each other and perpendicular to projection plane

b) Not parallel to each other and perpendicular to projection plane

c) Parallel to each other and inclined to projection plane

d) Not parallel to each other and inclined to projection plane

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3. All the faces of the object are distorted in the shape and size.

a) True

b) False

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4. Which of the following statement is wrong in case of oblique projection?

a) The object is drawn with the reduced dimensions.

b) Projectors are parallel to each other and inclined to projection plane.

c) The choice of the position of the object depends upon the shape and size.

d) The faces of object which are perpendicular to the plane of projection will be distorted.

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5. When the receding lines are drawn to full size scale then the oblique projection is ___________

a) Cabinet projection

b) Isometric projection

c) Orthographic projection

d) Cavalier projection

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6. When the receding lines are drawn to half size scale then the oblique projection is __________

a) Cabinet projection

b) Isometric projection

c) Orthographic projection

d) Cavalier projection

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7. Which are not usually used as angle between the projection plane and receding lines for oblique projection?

a) 30 degrees

b) 50 degrees

c) 45 degrees

d) 60 degrees

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8. The appearance of the distortion of an object can be improved by ___________ the length of the receding lines.

a) increasing

b) doubling

c) shortening

d) dividing

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9. In oblique projection, the object is assumed to be placed with one face _______________

a) parallel to plane of projection

b) parallel to adjacent edge

c) perpendicular to plane of projection

d) perpendicular to adjacent edge

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10. The perpendicular edges of planes parallel to projection plane are drawn at an angle of 30, 45, 60 degrees with the horizontal. The inclined lines are called _____________

a) projectors

b) slanting edges

c) contour lines

d) receding lines

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11. The faces parallel to projection plane are having ________ size and shape in oblique projection.

a) actual

b) double

c) half

d) increased

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12. In cavalier projection the receding lines are drawn _________

a) half of its actual size

b) double of its actual size

c) full size

d) increased or decreased to particular ratio

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## Set 5

1. What are the two parts of Vernier scale?

a) Primary scale and secondary scale

b) Plain scale and comparative scale

c) Vernier scale and secondary scale

d) Primary scale and Vernier scale

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2. Which of the following scale is a plain scale with fully divided minor divisions?

a) Diagonal scale

b) Vernier scale

c) Primary scale

d) Comparative scale

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3. The graduations of which scale is derived from the primary scale?

a) Comparative scale

b) Vernier scale

c) Plain scale

d) Diagonal scale

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4. Which of the following is used in checking the instruments to measure angles with great accuracy?

a) Circular Vernier scale

b) Plain scale

c) Diagonal scale

d) Comparative scale

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5. Which of the following scales represent two different units having same representative fration?

a) Plain scale

b) Diagonal scale

c) Comparative scale

d) Vernier scale

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6. What is the length of the scale, the representative fraction is 1:50000 and the scale must measure up to 25 km?

a) 5 x 10^{-4} cm

b) 50 cm

c) 5 cm

d) 0.5 cm

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7. In a particular drawing, 40 inches is represented by a 10 cm long line. A comparative scale is constructed that measures up to 180 inches and 2 m respectively. What are the lengths of scale for both the inches as well as the meter scales? (1 inch = 0.0254 meter)

a) 7 cm and 8.3 cm

b) 35 cm and 18.35

c) 2.2 cm and 22.9 cm

d) 45 cm and 19.7 cm

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8. Which of the following is used to set or measure angles when a protractor is not available?

a) Plain scale

b) Diagonal scale

c) Scale of chords

d) Comparative scale

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9. In a map, 30 miles is represented by 20 cm. What is the length of the kilometer scale if the maximum length to be measured is 10 km? (1 mile = 1.609 km)

a) 4.14 cm

b) 10.73 cm

c) 9.32 cm

d) 24.14 cm

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10. What is the representative fraction of the kilometer scale if 20 miles is represented as 5 cm and maximum length to be measured is 5 km? (1 mile = 1.609 km)

a) 1:4

b) 1:643600

c) 1:1.287

d) 0.7768:1