# Industrial Engineering Questions and Answers – Product Design Specifications and Drawings

This set of Industrial Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Product Design Specifications and Drawings”.

1. ____________ is the last step in product design.
a) Adopting a feasible design solution
b) Identification of problem
c) Preparation of drawings and specifications
d) Checking for alternative solutions

Explanation: Product design is a process of execution sequential steps to arrive at the final design of the component/product. The first step is the identification of the problem and the last step is preparation of drawings and specifications.

2. What is the standard size of A2 drawing sheet in millimetres?
a) 210 × 148
b) 420 × 297
c) 297 × 210
d) 594 × 420

Explanation: Drawing sheets are available in standard sizes, as specified by the Bureau of Indian Standards. 594 × 420 mm is the standard size of the A2 drawing sheet.

3. The standard size of A1 drawing sheet in mm is __________________
a) 841 × 594
b) 1189 × 841
c) 210 × 148
d) 594 × 420

Explanation: Drawing sheets are available in standard sizes, as specified by the Bureau of Indian Standards. 841 × 594 mm is the standard size of the A1 drawing sheet.

4. ‘‘ is the representation of the visible outline.
a) True
b) False

Explanation: Visible outlines and edges are represented by continuous thick lines. There are similar lines namely continuous thin lines, continuous thin free-hand, continuous thin with zig-zags, dashed thin etc.,

5. A square thread of nominal diameter 40 mm and pitch 10 mm is denoted by _____________
a) SQ40 × 10
b) M40 × 10
c) ACME40 × 10
d) WORM40 × 10

Explanation: SQ stands for a square thread. SQ40 × 10 means a square thread of nominal diameter 40 mm and pitch 10 mm. Based on thread profiles, its designation is given. M stands for metric, WORM for worm thread and ACME for ACME thread profile.

6. Which of the following line is used to denote hidden lines in drawing?
a)
b)
c)
d)

Explanation: In assembly drawings of complicated designs, some of the geometric features are not visible on the outer surface of the product. To indicate such complicated geometrical design features, hidden lines are used.

7. Product design features other than physical dimensions are described in writing in the form of specifications.
a) True
b) False

Explanation: Product design features other than physical dimensions are described in writing in the form of specifications. It refers to the Bill of materials or parts list i.e., details of various components and materials.

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