Engg. Drawing 3

Lengthening bar is used to draw circle of diameter more than

• 50 mm

• 120 mm

• 150 mm

• 300 mm

Which of the following scale is largest one?

........ pencil is suitable for lettering and dimensioning

• HB

• 3H

• 2B

• 2H

The method for drawing the isometric projection is

• auxiliary method

• Oblique method

• Co - ordinate method

• Parallel method

A line of length 55 mm lies on profile plane whose ends are at a distance of 15 mm and 20 mm to horizontal plane. What is the length in top view?

• 45.72 mm

• 35.62 mm

• 54.77 mm

• 75.43 mm

A line of length 4 mm is represented by a line of 4 cm. What is the representative fraction?

• 1:1

• 10:1

• 1:10

• 1:100

The true length of the line is 30 cm and isometric view is drawn. How much length is reduced?

• 24.45 cm

• 25.98 cm

• 4.01 cm

• 5.55 cm

Instrument used to measure angles or drawing lines at the given angles is called as

• Protractor

• Pro-circle

• Mini-drafter

• Compass

Scale used in a drawing is 1:2. The actual length of a 10 mm line in the drawing is

• 5 mm

• 10 mm

• 20 mm

• None of the above

Dimensioning starting from a common feature and shown to the right and to the left of the common feature is called as

• Chain dimensioning

• Parallel dimensioning

• Dimensioning by coordinates

• Combined dimensioning