# Multiple choice question for engineering

## Set 1

1. Why it is more beneficial to represent the scale graphically other than by just numerical?

a) To represent clearly

b) More accurate

c) To measure directly from scale

d) To prevent

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2. What is not essential information to construct a scale from the following?

a) The R.F. of the scale

b) The units to represent

c) Length of scale

d) Maximum length

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3. Scales having same representative fraction but graduated to read different units are called ______________________

a) Scale of chords

b) Circular vernier scale

c) Comparative scale

d) Diagonal scale

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4. The scale used in micrometer is _____________

a) Plain scale

b) Comparative scale

c) Diagonal scale

d) Circular vernier scale

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5. The scale used to find angles is ________

a) Diagonal scale

b) Comparative scale

c) Circular vernier scale

d) Scale of chords

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6. Which scale you prefer if there is need to measure most accurately.

a) Plain scale

b) Vernier scale

c) Ordinary scale

d) Comparative scale

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7. Which scale represents only two units or a unit and its sub-division?

a) Diagonal scale

b) Plane scale

c) Scale of chords

d) Vernier scale

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8. Which scale is employed when we need to measure in three units?

a) Plane scale

b) Scale of chords

c) Vernier Scale

d) Diagonal scale

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9. We need a scale which has to show dm, cm and mm. Which scale do you prefer?

a) Diagonal scale

b) Plain scale

c) Vernier scale

d) Comparative scale

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10. Which scale is used in surveying instrument?

a) Comparative scale

b) Circular Vernier scale

c) Vernier scale

d) Scale of chords

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## Set 2

1. Line contained by a plane perpendicular to both the reference planes will lie on the ___________ plane.

a) horizontal plane

b) vertical plane

c) straight plane

d) profile plane

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2. If a line is in profile plane making an angle of 30 degrees with vertical plane. In which angle the line makes with the horizontal plane?

a) Can’t say

b) 90 degrees

c) 0 degrees

d) 60 degrees

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3. The view which gives the actual length of line in profile plane is ________

a) front view

b) top view

c) side view

d) bottom view

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4. The length of line placed in profile plane from front view is product of actual length and ____(angle with horizontal plane).

a) cosine

b) sine

c) tangent

d) secant

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5. The length of line placed in profile plane and making an angle of 30 degrees with the vertical is 5 cm from front view. What is the actual length?

a) 5 cm

b) 8.66 cm

c) 10 cm

d) 5.77 cm

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6. The length of line placed in profile plane and making an angle of 40 degrees with the horizontal is 10cm from top view. What is the actual length?

a) 7.66 cm

b) 6.4 cm

c) 13.05 cm

d) 15.55 cm

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7. The length of line placed in profile plane and making an angle of 55 degrees with the vertical is 2 m from side view. What is the actual length?

a) 2 m

b) 3.4 m

c) 2.4 m

d) 1.6 m

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8. The length of line placed in profile plane and making an angle of 155 degrees with the horizontal is 3 cm from top view. What is the actual length?

a) 3.31 cm

b) 7.09 cm

c) 1.26 cm

d) 2.7 cm

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9. A line of length 20 cm is placed in profile plane making an angle of 65 degrees with the horizontal. What is the length of line front view?

a) 18.12 cm

b) 8.45 cm

c) 20 cm

d) 22.06 cm

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10. A line of length 20 cm is placed in profile plane making an angle of 65 degrees with the horizontal. What is the length of line top view?

a) 18.12 cm

b) 8.45 cm

c) 20 cm

d) 22.06 cm

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11. A line of length 20 cm is placed in profile plane making an angle of 65 degrees with the horizontal. What is the length of line side view?

a) 18.12 cm

b) 8.45 cm

c) 20 cm

d) 22.06 cm

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12. A line of length 1 m is placed in profile plane making an angle of 180 degrees with the horizontal. What is the length of line top view?

a) 1m

b) 0 m

c) 0.5 m

d) 1.5 m

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## Set 3

1. In 1st angle projection the object is kept in _________

a) 1st quadrant

b) 2nd quadrant

c) 3rd quadrant

d) 4th quadrant

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2. 1st angle projection is recommended by _____________

a) USA

b) ISI

c) Bureau of Indian Standards

d) ASME

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3. In 1st angle projection the _________ lies between ___________ and ____________

a) object, projection plane, observer

b) projection plane, object, observer

c) reference line, side view, front view

d) reference line, left side view, right side view

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4. In 1st angle projection the front view will be below the top view.

a) True

b) False

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5. In 1st angle projection the positions of front and top views are __________

a) top view lies above the front view

b) front view lies above the top view

c) front view lie left side to top view

d) top view lie left side to front view

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6. In 1st angle projection the left side view will be left side of front view.

a) True

b) False

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7. The positions of right side view and front view of an object kept in 1st quadrant and projection are drawn?

a) Right side view is right side of front view

b) Right side view is left side of front view

c) Right side view is above the front view

d) Right side view is below the front view

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8. The positions of reference line and top view in 1st angle projection are __________

a) reference line lies above the top view

b) reference line lies below the top view

c) reference line lie left side to top view

d) reference line lie right side to top view

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9. If an object is placed in 1st quadrant such that one of the surfaces of object is coinciding with vertical plane, what is the correct position of views from the following?

a) The front view touches the reference line

b) The side view touches the reference line

c) The top view touches the reference line

d) The bottom view touches the reference line

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10. If an object is placed in 1st quadrant such that one of the surfaces of object is coinciding with horizontal plane, what is the correct position of views from the following?

a) The front view touches the reference line

b) The side view touches the reference line

c) The top view touches the reference line

d) The bottom view touches the reference line

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11. If an object is placed in 1st quadrant such that one of the surfaces of object is coinciding with both vertical plane and horizontal plane, what is the correct position of views from the following?

a) The top view touches the reference line

b) The top view and side view touch each other

c) Both side views touch each other

d) The top view and front touches each other at reference line

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12. Where is the position of bottom view in 1st angle projection?

a) left side of right hand side view

b) right side of right hand side view

c) above the front view

d) below the top view

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13. Where is the position of back view in 1st angle projection?

a) left side of right hand side view

b) right side of right hand side view

c) above the front view

d) below the top view

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## Set 4

1. A tangent to a circle is a line which touches the circle at one and only one point.

a) True

b) False

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2. The line perpendicular to a tangent and is passing through the point of contact is called as _____

a) Perpendicular bisector

b) Angle bisector

c) Normal

d) Tangent

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3. In the following figure, the tangent at point A can be drawn by _______

a) Angle bisector

b) Perpendicular bisector

c) Rectangle

d) Arc

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4. How many tangents can be drawn from a point outside a given circle?

a) 4

b) 3

c) 2

d) 1

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5. In the following figure, how will make a tangent from the point outside the circle?

a) By drawing a semicircle with diameter as OA

b) By drawing a perpendicular bisector

c) By drawing an angle bisector

d) By drawing circle with the same radius from A

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6. How many tangents to a given circle, can we draw parallel to a given line?

a) 1

b) 2

c) 3

d) 4

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7. In how many ways can there be a common tangent between two circles?

a) 3

b) 4

c) 1

d) 2

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8. How many internally common tangents can two circles have?

a) 3

b) 1

c) 2

d) 4

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9. To draw a tangent to an arc of unknown radius and centre though any point on the arc we use ________

a) Angle bisectors

b) Semicircles

c) Arc

d) Perpendicular bisector

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10. How is a normal to a tangent drawn?

a) Angle bisector

b) Perpendicular bisector

c) Rectangle

d) Semicircle

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## Set 5

1. In a regular cone the angle between base and slanting surface is 45 degrees and the base diameter is 100 mm. If a helix is to be build on such a cone with a pitch of 5. How many revolutions do the helix made in this cone?

a) 14.1

b) 18

c) 10

d) 20

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2. In a regular cone the angle between base and slanting surface is 60 degrees and the base diameter is 75 mm. If a helix is to be build on such a cone up to half of cones height with 6 revolutions in it. Pitch of the helix is?

a) 10.8

b) 5.4

c) 6.4

d) 12.9

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3. A conical spring is to be designed with base diameter 100 mm and other end diameter 50 mm and pitch of spring is 5 mm to a height of 80 mm. How many revolutions are there in spring?

a) 15

b) 16

c) 17

d) 18

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4. Pitch of helix is 7 mm and number of revolutions is 15. Length of spring is?

a) 100 mm

b) 10.5 cm

c) 110 mm

d) 12 cm

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5. Base diameter of conical helix is 80 mm, height of spring is 30 mm, angle between the base and slanting side of cone is 45 degrees and diameter of wire is 4 mm. What is the outer diameter at top edge of spring?

a) 14

b) 24

c) 32

d) 18

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6. Mean diameter of conical spring is 100 mm, height of spring is 50 mm, angle between the base and slanting side of cone is 45 degrees and diameter of wire is 5 mm. What is the inner diameter at top edge of spring?

a) 10

b) 5

c) 20

d) 15

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7. Conical spring is also called tapered spring.

a) True

b) False

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8. The base diameter of a conical helix is 120 mm and other end diameter is 70 mm. The height of helix is 40 mm. What is the angle between the base and slanting side is?

a) 58 degrees

b) 60 degrees

c) 30 degrees

d) 45 degrees

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9. The base diameter of a conical helix is 100 mm. The angle between the base and slanting side is 45 degrees. Pitch of helix is 5 mm. What is the height of helix and number of revolutions?

a) 50 mm, 10

b) 25 mm, 5

c) 30 mm, 7

d) 100 mm, 15

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10. The base diameter of a conical helix is 100 mm and other end diameter is 80 mm. The height of helix is 50 mm. What is the angle between the base and slanting side is?

a) 58 degrees

b) 79 degrees

c) 89 degrees

d) 45 degrees

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11. The base diameter of a conical helix is 80 mm. The angle between the base and slanting side is 60 degrees. Pitch of helix is 6 mm. What is the height of helix and number of revolutions?

a) 69.2 mm, 12

b) 39.2 mm, 6

c) 30 mm, 7

d) 80 mm, 12

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12. Base diameter of conical helix is 60 mm, height of spring is 30 mm, angle between the base and slanting side of cone is 45 degrees and diameter of wire is 3 mm. What is the outer diameter at top edge of spring?

a) 14

b) 15

c) 30

d) 18

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13. Base diameter of conical helix is 50 mm, height of helix is 30 mm, angle between the base and slanting side of cone is 60 degrees. What is the top end diameter of the helix?

a) 7.67 mm

b) 15.3 mm

c) 14.7 mm

d) 6.7 mm