Power tools
What is a drill used for?
To make holes.
What is the purpose of a screwdriver?
To drive or remove screws.
Why should you wear safety glasses when working?
To protect your eyes from flying debris
What is a technical drawing?
A precise and detailed drawing of an object or system.
What is the formula to find the area of a rectangle?
Area = length × width.
How do you use an angle grinder to smooth metal?
By holding it at the correct angle and moving it steadily.
How do you tighten a bolt using a wrench?
Turn the wrench clockwise to tighten
What should you do if you find a damaged tool?
Tag it and report it immediately.
What is the purpose of using scale in technical drawings?
To represent real objects accurately on paper.
How do you calculate the volume of a cube?
Volume = side³.
How do you adjust the cutting depth on a circular saw?
By adjusting the base plate or depth lever.
What is the correct technique for cutting wood with a handsaw?
Use long, steady strokes along the marked line.
Why is it important to keep your workspace clean?
To prevent accidents and improve efficiency.
How do you identify front, top, and side views in a drawing?
By layout or labels (front, top, side).
. If a circle has a radius of 5 cm, what is its area?
Area = π × 5² = 78.54 cm² (approx)
What should you check before using a power tool with an extension cord?
Check for cable damage and power rating.
What safety precautions should you take when using a chisel and hammer?
Wear goggles and keep hands behind the chisel.
What are the main types of personal protective equipment (PPE)?
Helmet, gloves, goggles, ear protection, safety boots.
What do different line types (solid, dashed) mean in technical drawings?
Solid = visible edge; dashed = hidden edge.
.A triangle has sides of 5 cm, 12 cm, and 13 cm. Is it a right triangle?
Yes, because 5² + 12² = 13² (Pythagorean).
How do you test a power tool for electrical safety before using it?
With insulation test and visual inspection.
How do you cut internal and external threads using a tap and die set?
Tap cuts internal threads; die cuts external threads.
How do you assess risks before starting a technical task?
By identifying hazards and evaluating their impact.
How do you convert a 2D drawing into a 3D visualization?
By visualizing dimensions and shape from views.
How do you solve a system of two linear equations with two variables
Use substitution or elimination methods