Read the passage below and answer the questions as follows :
To begin constructing an aero model, carefully study the provided construction plans. Then, using sandpaper and sandblocks, shape various parts according to the blueprint. Next, affix the entire plan onto a drawing board to ensure accuracy. Assemble the parts according to the dimensions outlined in the blueprint. Apply dope with a brush in thin coats, repeating two to three times. Finally, sand off any excess dope using fine emery paper.
1. What should be thoroughly studied before beginning aero-modelling?
a) Aircraft
b) Construction plan
c) Helicopter
d) Ships
2. Are sandpaper and sand blocks shaped on a drawing board?
a) True
b) False
3. How often is dope applied with a brush in thin coats?
a) Once
b) Twice
c) Thrice
d) Four times
4. What is affixed onto a drawing board to ensure accuracy during construction?
a) Aircraft
b) Blueprint
c) Sandpaper
d) Construction plan
