City Guilds Model Questions Vol1 2024 Engineering Question 1

Practice practical question 1 from the 2024 City Guilds Model Questions Vol1 Engineering examination. This question covers Scale conversion, Rectangular cross‑section, Bending stress, Moment of inertia .

City Guilds Model Questions Vol1 2024 Engineering Practical
Topics: Scale conversion Rectangular cross‑section Bending stress Moment of inertia
Question 1 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2024 • ENGINEERING • practical

A civil engineering student constructs a scale model of a rectangular steel beam to determine its load‑bearing capacity. The drawing uses a scale of 1 cm : 0.5 m (1 cm on the drawing represents 0.5 m in reality). In the drawing the beam measures length 12 cm, width 2 cm and height 3 cm.

Question Parts

( a )
Determine the actual (real‑world) dimensions of the beam.
( b )
Calculate the cross‑sectional area of the beam in square metres.
( c )
Using the allowable stress for the steel (σ_allow = 250 MPa) and the formula for bending stress σ = (M·y)/I, where for a simply supported beam with a central point load W, the maximum bending moment M = W·L/4, y = h/2 and I = (b·h³)/12, determine the maximum load W_max the beam can support without exceeding the allowable stress.

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About This Question

This is City Guilds Model Questions Vol1 2024 Engineering Question 1. It is one of the practical questions from the 2024 City Guilds Model Questions Vol1 Engineering examination.

The question covers Scale conversion, Rectangular cross‑section, Bending stress, Moment of inertia .

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