# Multiple choice question for engineering

## Set 1

1. When welding of two metal parts are carried out by heating the parts at joint up to plastic condition and then joined together by applying external mechanical pressure it is named as Fusion welding.

a) True

b) False

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2. In _________ welding heavy current (50,000A) is passed through the joint which gets melt and welding is under external pressure.

a) Arc welding

b) Gas welding

c) Forge welding

d) Spot welding

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3. In which of the following welding only fusion welding takes place?

a) Seam welding

b) Flash butt welding

c) Spot welding

d) Arc welding

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4. The symbol for weld type fillet is __________

a)

b)

c)

d)

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5. The symbol for seam welding is __________

a)

b)

c)

d)

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6. The symbol for weld type U butt is __________

a)

b)

c)

d)

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7. The symbol for weld type V-butt is _________

a)

b)

c)

d)

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8. The symbol for weld type double-V butt is ________

a)

b)

c)

d)

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9. The symbol for spot welding is ________

a)

b)

c)

d)

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10. The symbol for weld type double U- butt is __________

a)

b)

c)

d)

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11. The symbol for weld type Bevel butt is ____________

a)

b)

c)

d)

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12. The symbol for edge welding is _________

a)

b)

c)

d)

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## Set 2

1. A scale of 1:25 is to be constructed to show centimeters and it should be long enough to measure 10 meters. What is the length of the scale?

a) 4 cm

b) 0.4 cm

c) 40 cm

d) 400cm

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2. From the following figure what is the maximum length that can be measured?

a) 11 dm

b) 10 dm

c) 13 dm

d) 12 dm

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3. What is the length of the scale? (R.F. = 1/5)

a) 2.4 cm

b) 24 cm

c) 240cm

d) 0.24cm

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4. Using the given scale, we can measure 13.7 dm.

a) True

b) False

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5. What is the least count of the given scale?

a) 1 cm

b) 0.1 cm

c) 1dm

d) 10 cm

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6. What is the maximum length that can be measured using the given scale?

a) 7 inches

b) 7 feet

c) 8 feet

d) 12 inches

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7. What is the scale in the following figure?

a) 1:2

b) 1:12

c) 1:4

d) 1:7

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8. What is the length of the scale?

a) 7 feet

b) 7 inches

c) 8 feet

d) 8 inches

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9. What is the least count of the given scale?

a) 3“

b) 1“

c) 12”

d) 7”

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10. From the given scale we can measure 3 feet 10”.

a) True

b) False

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## Set 3

1. Which of the following is a conic section?

a) Apex

b) Circle

c) Rectangle

d) Square

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2. Which of the following has an eccentricity more than unity?

a) Parabola

b) Circle

c) Hyperbola

d) Ellipse

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3. If the distance from the focus is 10 units and the distance from the directrix is 30 units, then what is the name of the conic?

a) Circle

b) Parabola

c) Hyperbola

d) Ellipse

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4. If the distance from the focus is 2 mm and the distance from the directrix is 0.5 mm then what is the value of eccentricity?

a) 0.4

b) 4

c) 0.04

d) 40

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5. If the distance from the focus is 3 units and the distance from the directrix is 3 units, then what is the name of the conic section?

a) Ellipse

b) Hyperbola

c) Circle

d) Parabola

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6. If the distance from the directrix is 5 units and the distance from the focus is 3 units then what is the name of the conic section?

a) Ellipse

b) Parabola

c) Hyperbola

d) Circle

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7. If the distance from a fixed point is greater than the distance from a fixed straight line then what is the name of the conic section?

a) Parabola

b) Circle

c) Hyperbola

d) Ellipse

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8. If the distance from a fixed straight line is equal to the distance from a fixed point then what is the name of the conic section?

a) Ellipse

b) Parabola

c) Hyperbola

d) Circle

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9. If the distance from the directrix is greater than the distance from the focus then what is the value of eccentricity?

a) Unity

b) Less than one

c) Greater than one

d) Zero

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10. If the distance from the directrix is 5 units and the distance from the focus is 3 units then what is the value of eccentricity?

a) 1.667

b) 0.833

c) 0.60

d) 0.667

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11. If the distance from a fixed straight line is 5mm and the distance from a fixed point is 14mm then what is the name of the conic section?

a) Hyperbola

b) Parabola

c) Ellipse

d) Circle

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12. If the distance from the directrix is greater than the distance from the focus then what is the name of the conic section?

a) Hyperbola

b) Parabola

c) Ellipse

d) Circle

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13. If the distance from a fixed straight line is equal to the distance from a fixed point then what is the value of eccentricity?

a) Unity

b) Greater than one

c) Infinity

d) Zero

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14. If the distance from a fixed point is greater than the distance from a fixed straight line then what is the value of eccentricity?

a) Unity

b) Infinity

c) Zero

d) Greater than one

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15. If the distance from a fixed straight line is 5mm and the distance from a fixed point is 14mm then what is the value of eccentricity?

a) 0.357

b) 3.57

c) 2.8

d) 0.28

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## Set 4

1. Mathematically, what is the equation of ellipse?

a) x^{2}/a^{2} + y^{2}/b^{2} = -1

b) x^{2}/a^{2} – y^{2}/b^{2} = 1

c) x^{2}/a^{2} + y^{2}/b^{2} = 1

d) x^{2}/a^{2} – y^{2}/b^{2} = 1

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^{2}/a

^{2}+ y

^{2}/b

^{2}= 1. Here, a and b are half the distance of lengths of major and minor axes of the ellipse. If the value of a = b then the resulting ellipse will be a circle with centre (0,0) and radius equal to a units.

2. In general method of drawing an ellipse, a vertical line called as ____ is drawn first.

a) Tangent

b) Normal

c) Major axis

d) Directrix

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3. If eccentricity of ellipse is 3/7, how many divisions will the line joining the directrix and the focus have in general method?

a) 10

b) 7

c) 3

d) 5

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4. In the general method of drawing an ellipse, after parting the line joining the directrix and the focus, a _____ is made.

a) Tangent

b) Vertex

c) Perpendicular bisector

d) Normal

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5. An ellipse is defined as a curve traced by a point which has the sum of distances between any two fixed points always same in the same plane.

a) True

b) False

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6. An ellipse has ____ foci.

a) 1

b) 2

c) 3

d) 4

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7. If information about the major and minor axes of ellipse is given then by how many methods can we draw the ellipse?

a) 2

b) 3

c) 4

d) 5

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8. In arcs of circles method, the foci are constructed by drawing arcs with centre as one of the ends of the ____ axis and the radius equal to the half of the ____ axis.

a) Minor, major

b) Major, major

c) Minor, minor

d) Major, minor

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9. If we know the major and minor axes of the ellipse, the first step of drawing the ellipse, we draw the axes ____ each other.

a) Parallel to

b) Perpendicular bisecting

c) Just touching

d) Coinciding

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10. Loop of the thread method is the practical application of ______ method.

a) Oblong method

b) Trammel method

c) Arcs of circles method

d) Concentric method

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## Set 5

1. Which of the following scales is used when there are three units that need to be measured?

a) Plain scale

b) Comparative scale

c) Diagonal scale

d) Vernier scale

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2. Which of the following scales is used to accurately measure minute divisions?

a) Plain scale

b) Diagonal scale

c) Scale of chords

d) Comparative scale

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3. What is the length of AB in the following scale?

a) 2.74 m

b) 3.74 m

c) 2.47 m

d) 3.47 m

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4. What is the maximum length of the given scale?

a) 3 dm

b) 4 dm

c) 3 m

d) 4 m

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5. If the given scale is 1: 60, what is the length of the scale?

a) 6.67dm

b) 0.67 cm

c) 6.67 cm

d) 66.67 cm

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6. From the given scale, we can measure 4.56 m.

a) True

b) False

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7. From the given scale below, what is the length of PQ?

a) 3 yd 2 ft 0”

b) 3 yd 1 ft 10”

c) 3 yd 0 ft 10”

d) 4 yd 2 ft 0”

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8. What is the maximum length that can be measured using the given scale?

a) 6 yards

b) 5 yards

c) 6 feet

d) 15 feet

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9. What is the length of the scale, if the scale is 1:30?

a) 0.6 yard

b) 7.2 feet

c) 0.2 feet

d) 7.2 inches

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10. From the given scale, we can measure 5 yards 3 feet and 0 inches.

a) True

b) False