GATE 2025 AR — Planning – Question 42

Design and Graphics · Architectural Graphics · 2 marks · Numerical answer

An actual roof area 6000 m² occupies 240 cm² on a drawing. Find scale denominator n in 1:n, to nearest integer.

Practise this question in The GATE Grind →

Show answer and explanation

Correct answer: 500 to 500

Explanation

Convert actual area to 6000×10000=60000000 cm². Area ratio is 60000000/240=250000. Linear scale ratio is its square root, 500. Thus the drawing is 1:500. Area ratios must be square-rooted to obtain linear scale.

More Architectural Graphics questions

GATE 2022 AR — Architecture Q25 – A site measures 96 cm² on a 1:12500 plan. Find its actual area in hectares, as an integer.
GATE 2022 AR — Planning Q25 – A site measures 96 cm² on a 1:12500 plan. Find its actual area in hectares, as an integer.
GATE 2021 AR Q57 – A level at Q reads 3.5 m on a staff at P, whose RL is 96.5 m. Instrument height above Q is…
GATE 2025 AR — Architecture Q42 – An actual roof area 6000 m² occupies 240 cm² on a drawing. Find scale denominator n in…

All Architectural Graphics questions →