Explore topic-wise MCQs in 12th.

This section includes 406 Mcqs, each offering curated multiple-choice questions to sharpen your 12th knowledge and support exam preparation. Choose a topic below to get started.

351.

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

A. tangent
B. normal
C. major axis
D. directrix
Answer» E.
352.

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
Answer» B. 7
353.

The line which passes through the focus and perpendicular to the major axis is

A. minor axis
B. latus rectum
C. directrix
D. tangent
Answer» C. directrix
354.

Which of the following constructions doesn’t use elliptical curves?

A. cooling towers
B. dams
C. bridges
D. man-holes
Answer» B. dams
355.

There are 2 circles say A, B. A is smaller than B and they are not intersecting at any point. Where will be the intersection point of internal tangents for these circles?

A. to the left of two circles
B. to the right of the two circles
C. middle of the two circles
D. they intersect at midpoint of line joining the centers
Answer» C. middle of the two circles
356.

There are 2 circles say A, B. A has 20 units radius and B has 10 units radius and distance from centers of A and B is 40 units. Where will be the intersection point of external tangents?

A. to the left of two circles
B. to the right of the two circles
C. middle of the two circles
D. they intersect at midpoint of line joining the centers
Answer» C. middle of the two circles
357.

How many internal tangents are there for two circles?

A. 4
B. 3
C. 2
D. 1
Answer» D. 1
358.

How many pairs of parallel lines are there in a regular pentagon?

A. 0
B. 1
C. 2
D. 5
Answer» B. 1
359.

A Ogee curve is a

A. semi ellipse
B. continuous double curve with convex and concave
C. freehand curve which connects two parallel lines
D. semi hyperbola
Answer» C. freehand curve which connects two parallel lines
360.

Perpendiculars can’t be drawn using

A. t- square
B. set-squares
C. pro- circle
D. protractor
Answer» D. protractor
361.

The length through perpendicular gives the shortest length from a point to the line.

A. true
B. false
Answer» B. false
362.

The isometric projection of a circle is a

A. Circle
B. Ellipse
C. Hyperbola
D. Parabola
Answer» C. Hyperbola
363.

The isometric projection of a sphere is a

A. Circle
B. Ellipse
C. Hyperbola
D. Parabola
Answer» B. Ellipse
364.

Rectagular prism is an example of

A. Objects having isometric lines
B. Object having non-isometric lines
C. Object having curved surfaces
D. None of the above
Answer» B. Object having non-isometric lines
365.

The following are the methods for drawing isometric views except

A. Box method
B. Offset method
C. Centre lines method
D. Parallel line method
Answer» E.
366.

The isometric axis are inclined at ___ degree to each other.

A. 60
B. 90
C. 120
D. 150
Answer» D. 150
367.

The following is (are) the method(s) of projecting the pictorial views.

A. Axonometric projection
B. Oblique projection
C. Perspective projection
D. All of the above
Answer» E.
368.

The isometric length is ____ percent of actual length.

A. 61.5
B. 71.5
C. 81.5
D. 91.5
Answer» D. 91.5
369.

The development of lateral surfaces of a pentagonal pyramid is

A. Five squares
B. Five Rectangles
C. Five triangles
D. None of the above
Answer» D. None of the above
370.

Zone method is used to develop

A. Prism
B. Pyramid
C. Cone
D. Sphere
Answer» E.
371.

The development of cylinder is a

A. Rectangle
B. Circle
C. Ellipse
D. None of the above
Answer» B. Circle
372.

Development of surfaces is used in the development of

A. Piping
B. Air conditioning duct
C. Buckets
D. All of the above
Answer» E.
373.

The following is the method for development of a sphere.

A. Parallel line method
B. Radial line method
C. Triangulation method
D. Approximate method
Answer» E.
374.

The following is the method for development of a right regular prism.

A. Parallel line method
B. Radial line method
C. Triangulation method
D. Approximate method
Answer» B. Radial line method
375.

A right circular cylinder resting on HP on its base is cut by a section plane inclined to HP, bisecting its axis. The true shape of the section is

A. Parabola
B. Hyperbola
C. Ellipse
D. Circle
Answer» D. Circle
376.

A right circular cone resting on HP on its base is cut by a section plane parallel to HP, bisecting its axis. The true shape of the section is

A. Parabola
B. Hyperbola
C. Ellipse
D. Circle
Answer» E.
377.

The sectional plane are represented by

A. Continuous thick line
B. Continuous thin line
C. Chain thin line
D. Chain thin line having thick edges
Answer» E.
378.

The following is formed by revolving rectangle about one of its sides which remains fixed

A. Cylinder
B. Sphere
C. Hemi sphere
D. Cone
Answer» B. Sphere
379.

A tetrahedron has four equal ____ faces

A. Square
B. Rectangular
C. Triangular
D. None of the above
Answer» D. None of the above
380.

The top view of a right cylinder resting on HP on its base rim is

A. Ellipse
B. Circle
C. Rectangle
D. Square
Answer» C. Rectangle
381.

Which of the following position is not possible for a right solid?

A. Axis perpendicular to HP and parallel to VP
B. Axis parallel to VP and perpendicular to HP
C. Axis parallel to both VP and HP
D. Axis perpendicular to both VP and HP
Answer» E.
382.

A right regular hexagonal prism in resting on HP on its base, its top view is a

A. Square
B. Rectangle
C. Hexagon
D. Pentagon
Answer» D. Pentagon
383.

If a solid is cut by a cutting plane parallel to the base of the solid and top part is removed, the remaining part is called

A. Frustum of a solid
B. Truncated solid
C. Oblique solid
D. None of the above
Answer» B. Truncated solid
384.

The following are the Solids of revolution except

A. Prism
B. Sphere
C. Cone
D. Cylinder
Answer» B. Sphere
385.

The following are the Polyhedron except

A. Prism
B. Pyramid
C. Cube
D. Cylinder
Answer» E.
386.

Which of the following position is not possible for a plane?

A. Perpendicular to both HP and VP
B. Parallel to both HP and VP
C. Perpendicular to HP and parallel to VP
D. Perpendicular to VP and parallel to HP
Answer» C. Perpendicular to HP and parallel to VP
387.

The front view of a rectangle, when its plane is parallel to HP and perpendicular to VP, is

A. Rectangle
B. Square
C. Line
D. Point
Answer» D. Point
388.

The following method(s) is used to find the true length and true inclination of a line when its front view and top view are given

A. Rotation method
B. Trapezoidal method
C. Auxiliary plane method
D. All of the above
Answer» E.
389.

When the line is parallel to VP and perpendicular to HP, we can get its true length in

A. Front view
B. Side view
C. Both ‘a’ and ‘b’
D. Top view
Answer» D. Top view
390.

When the line is parallel to both Horizontal Plane (HP) and Vertical Plane (VP), we can get its true length in

A. Front view
B. Top view
C. Both ‘a’ and ‘b’
D. Side view
Answer» D. Side view
391.

The side view of an object is drawn in

A. Vertical plane
B. Horizontal plane
C. Profile plane
D. Any of the above
Answer» D. Any of the above
392.

A point ‘P’ is above Horizontal Plane (HP) and in front of Vertical Plane (VP). The point is in

A. First quadrant
B. Second quadrant
C. Third quadrant
D. Fourth quadrant
Answer» B. Second quadrant
393.

A line of 1 meter is shown by 1cm on a scale. Its Representative fraction (RF) is

A. 1
B. 100
C. 1/100
D. 1/50
Answer» D. 1/50
394.

Representative fraction’ (RF) is defined as

A. Length of an object in the drawing / Actual length of the object
B. Length of an object in the drawing / Isometric length of the object
C. Actual length of the object / Length of an object in the drawing
D. Isometric length of the object / Length of an object in the drawing
Answer» B. Length of an object in the drawing / Isometric length of the object
395.

The internal angle of regular hexagon is ___ degree.

A. 72
B. 108
C. 120
D. 150
Answer» D. 150
396.

The internal angle of regular pentagon is ___ degree.

A. 72
B. 108
C. 120
D. 150
Answer» B. 108
397.

Metric thread of 10mm diameter is represented by

A. 10M
B. M10
C. M^10
D. None of the above
Answer» C. M^10
398.

The Length:Width in case of an arrow head is

A. 1:1
B. 2:1
C. 3:1
D. 4:1
Answer» D. 4:1
399.

In aligned system of dimensioning, the dimensions may be read from

A. Bottom or right hand edges
B. Bottom or left hand edges
C. Only from bottom
D. Only from left side
Answer» B. Bottom or left hand edges
400.

Hatching lines are drawn at ___ degree to reference line

A. 30
B. 45
C. 60
D. 90
Answer» C. 60