The drawing which represents the rough idea of the actual design is called as ______

conceptual digit

conceptual sketch

conceptual elevation

conceptual parameter

Correct Answer : conceptual sketch

Explanation : Based on the general requirements, design engineer makes rough calculations of different parameters during the stage of conceptual design. Based on the initial estimation of weight and performance, engineers will draw a rough sketch having all the required details. Such rough drawing is called conceptual sketch.

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The three view drawing which shows arrangements of parts during conceptual design is called as _____

lofting

analyzing

planning

first order sizing

Correct Answer : Option (C) : planning

Explanation : First order sizing is nothing but a three vie drawing base on initial estimated data. The three vie drawing can highlight vital information such as undercarriage location etc.

What is the function of 'irst order sizing'?

To provide data for initial layout

To crate lofting

To test model in Fluent

To provide manufacturing

Correct Answer : Option (A) : To provide data for initial layout

Explanation : During the conceptual stage we make a rough sketch called a conceptual sketch. With the help of it we can provide initial estimation of some parameters such as aerodynamics, weight etc. This initial estimation will provide data for the initial layout. Thus, it is called as first order sizing.

The estimation of weight, fuel weight etc. is done by ____ process.

lofting

drafting

drawing

sizing

Correct Answer : Option (D) : sizing

Explanation : Sizing is the process to calculate some performance parameters of aircraft. Lofting is modelling of skin. Drafting and drawing are linked together.