Explore topic-wise MCQs in Engineering Drawing.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Drawing knowledge and support exam preparation. Choose a topic below to get started.

1.

‘Hypo’ as prefix to cycloids give that the generating circle is inside the directing circle.

A. True
B. False
Answer» B. False
Discussion
2.

Steps given are to draw an involute of a given pentagon ABCDE. Arrange the steps. i. B as centre and radius AB, draw an arc cutting BC –extended at 1. ii. The curve thus obtained is the involute of the pentagon. iii. C as centre and radius C1, draw an arc cutting CD extended at 2. iv. Similarly, D, E, A as centres and radius D2, E3, A4, draw arcs cutting DE, EA, AB at 3, 4, 5 respectively.

A. ii, i, iv, iii
B. iii, i , iv, ii
C. i, iii, iv, ii
D. iv, iii, i, ii
Answer» D. iv, iii, i, ii
Discussion
3.

Steps given are to draw an involute of a given triangle ABC. Arrange the steps. i. With C as centre and radius C1 draw arc cutting AC-extended at 2. ii. With A as center and radius A2 draw an arc cutting BA- extended at 3 completing involute. iii. B as centre with radius AB draw an arc cutting the BC- extended at 1. iv. Draw the given triangle with corners A, B, C.

A. ii, i, iv, iii
B. iii, i , iv, ii
C. i, iii, iv, ii
D. iv, iii, i, ii
Answer» E.
Discussion
4.

Steps given are to draw an involute of a given square ABCD. Arrange the steps. i. With B as centre and radius BP1 (BA+ AD) draw an arc to cut the line CB-produced at P2. ii. The curve thus obtained is the involute of the square. iii. With centre A and radius AD, draw an arc to cut the line BA-produced at a point P1. iv. Similarly, with centres C and D and radii CP2 and DP3 respectively, draw arcs to cut DC-produced at P3 and AD-produced at P4.

A. ii, i, iv, iii
B. iii, i , iv, ii
C. i, iii, iv, ii
D. iv, iii, i, ii
Answer» C. i, iii, iv, ii
Discussion
5.

Steps are given to draw tangent and normal to the involute of a circle (center is C) at a point N on it. Arrange the steps. i. With CN as diameter describe a semi-circle cutting the circle at M. ii. Draw a line joining C and N. iii. Draw a line perpendicular to NM and passing through N which is tangent. iv. Draw a line through N and M. This line is normal.

A. ii, i, iv, iii
B. iii, i , iv, ii
C. i, iii, iv, ii
D. iv, iii, i, ii
Answer» B. iii, i , iv, ii
Discussion
6.

Steps are given to draw involute of given circle. Arrange the steps f C is the centre of circle and P be the end of the thread (starting point). i. Draw a line PQ, tangent to the circle and equal to the circumference of the circle. ii. Draw the involute through the points P1, P2, P3 ……..etc. iii. Divide PQ and the circle into 12 equal parts. iv. Draw tangents at points 1, 2, 3 etc. and mark on them points P1, P2, P3 etc. such that 1P1 =P1l, 2P2 = P2l, 3P3= P3l etc.

A. ii, i, iv, iii
B. iii, i , iv, ii
C. i, iii, iv, ii
D. iv, iii, i, ii
Answer» D. iv, iii, i, ii
Discussion
7.

‘Hypo’ as prefix to cycloids give that the generating circle is inside the directing circle?#

A. True
B. False
Answer» B. False
Discussion
8.

For inferior trochoid or inferior epitrochoid the curve touches the directing line or directing circle.

A. True
B. False
Answer» C.
Discussion
9.

Mathematical equation for Involute is ___________

A. x = a cos<sup>3</sup> θ
B. x = r cosθ + r θ sinθ
C. x = (a+b)cosθ – a cos(<sup>a+b</sup>⁄<sub>a</sub> θ)
D. y = a(1-cosθ)
Answer» C. x = (a+b)cos‚âà√≠‚Äö√†√® ‚Äö√Ñ√∂‚àö√ë‚àö¬® a cos(<sup>a+b</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>a</sub> ‚âà√≠‚Äö√†√®)
Discussion