MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 02 - Geometrical Figures Special Curves Free Hand

101)   

 A reflex angle added to an acute angle always gives a sum: 

A.
B.
C.
D.
Answer: C
102)   

 The number of reflex angles possible in a convex polygon with 8 sides is: 

A.
B.
C.
D.
Answer: A
103)   

 In any triangle, how many obtuse angles can it have at maximum?

A.
B.
C.
D.
Answer: B
104)   

 A pair of complementary angles has one angle 2× the other. The angles are: 

A.
B.
C.
D.
Answer: D
105)   

Which of the following pairs are  both  supplementary and adjacent? 

A.
B.
C.
D.
Answer: B
106)   

A triangle has two equal angles of 70°. What type of triangle is it?

A.
B.
C.
D.
Answer: A
107)   

 In a right triangle, if one angle is 30°, what is the other non-right angle? 

A.
B.
C.
D.
Answer: B
108)   

 In an isosceles triangle with base 10 cm and equal angles of 40°, what is the vertex angle?

A.
B.
C.
D.
Answer: B
109)   

 A triangle with side lengths of 7 cm, 24 cm, and 25 cm is:

A.
B.
C.
D.
Answer: A
110)   

 In triangle construction, which rule is valid?

A.
B.
C.
D.
Answer: D
111)   

 The diagonals of a rhombus: 

A.
B.
C.
D.
Answer: B
112)   

A trapezium has non-parallel sides equal and base angles equal. It is:

A.
B.
C.
D.
Answer: B
113)   

Which quadrilateral has  no  lines of symmetry but all opposite sides equal? 

A.
B.
C.
D.
Answer: A
114)   

Which figure has both rotational and reflection symmetry?

A.
B.
C.
D.
Answer: B
115)   

 In a parallelogram, one angle is 75°. What is the adjacent angle?

A.
B.
C.
D.
Answer: D
116)   

 The sum of internal angles of a 12-sided polygon is: 

A.
B.
C.
D.
Answer: C
117)   

 In a regular pentagon, each internal angle is:

A.
B.
C.
D.
Answer: A
118)   

The number of diagonals in a decagon is:

A.
B.
C.
D.
Answer: A
119)   

Which polygon has all sides equal but not all angles equal?

A.
B.
C.
D.
Answer: B
120)   

 A polygon with 15 sides is called: 

A.
B.
C.
D.
Answer: C
121)   

A section of cone perpendicular to its axis forms:

A.
B.
C.
D.
Answer: A
122)   

A conic section that is always symmetric about both axes is:

A.
B.
C.
D.
Answer: D
123)   

Trammel method is used for construction of:

A.
B.
C.
D.
Answer: C
124)   

A hyperbola has two: 

A.
B.
C.
D.
Answer: D
125)   

 The parabola has eccentricity equal to:

A.
B.
C.
D.
Answer: B