Pre-Test Exam-2022_EDS_CQ_EV_Sample Questions
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Subject Code: 1 8 0 BAF Shaheen College Dhaka
Pre-test examination Batch: HSC-2022
Subject: Engineering drawing and workshop practice 1st and 2nd paper
Subject Code: 180 Class: XII Group: Science
Time: 3 hours Full mark: 60
1. Mark the Diameter of bolt, Diameter of pitch, Diameter of core, Root, Crest, Pitch and Flank drawing the neat sketches of an internal and external screw thread.
Or,
A square nut is fitted with a square headed bolt. Diameter of the bolt = 2.5 cm. (1//), length of the bolt = 10 cm. ( ''
2
31 ), thread up to 3.75 cm. (
//
2
11 ) on the bolt, number of thread per
cm. = 3 no. / Per inch = 8 no. Types of thread = V-shaped. Draw top view and front view of the nut and bolt using mentioned data.
2. Draw top, front and right side view and write dimensions on the views of the block (Fig. 1) given below:
(Fig. 1) (Fig. 2)
Or,
Top view, front view and right side view of a block (Fig. 2) given up. Draw the view of original block using Isometric method.
3. The length of every sides of base of a triangular pyramid is 35 mm. and height is 75 mm.
Develop the surface of the pyramid.
Or,
The length, breadth of rectangle of a rectangular pyramid is 50 mm, 30 mm. and height is 75 mm. Develop the surface of the pyramid.
4. A regular hexagonal nut is fitted with a regular hexagonal bolt. Diameter of the bolt = 2.5 cm. (1//), length of the bolt = 10 cm. ( ''
2
31 ), thread up to 3.75 cm.
//
2
11 on the bolt, Number
Pre-Test Exam-2022_EDS_CQ_EV_Sample Questions
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of thread per cm. = 3 no. / Per inch = 8 no., types of thread = V-shaped. Draw top view and front view of the nut and bolt.
Or, Draw the sketch of the following screws:-
(a) Sharp-V (b) Buttress (c) Whitworth (d) Square.
5. Explain the principle of Optical square with line diagram.
Or, Mention the specific rule to taking the Offset.
6. Write the considerable factors to write the Field book and show preparing a sample of Field book.
Or,
Calculate the area of a land from the Field book given below:
