City Guilds Model Questions Vol1 2025 Engineering Question 7

Practice objective / multiple choice question 7 from the 2025 City Guilds Model Questions Vol1 Engineering examination.

City Guilds Model Questions Vol1 2025 Engineering Objective / Multiple Choice Medium Difficulty
Question 7 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2025 • ENGINEERING • objective

In the orthographic projection of a part, line AB is inclined in space. In the front view its projection appears as a line of length 100 mm making an angle of \(30^{\circ}\) with the horizontal (z‑axis) of that view. In the top view the projection of AB has a length of 120 mm. Determine (a) the true length of AB, and (b) the angle that AB makes with the horizontal plane.

Answer Options

A. True length = 125 mm; angle with horizontal plane ≈ 20.0°.
B. True length = 140 mm; angle with horizontal plane ≈ 30.0°.
C. True length = 135 mm; angle with horizontal plane ≈ 25.4°.
Correct Answer D. True length = 130 mm; angle with horizontal plane ≈ 22.6°.
Correct Answer
D
Correct Option:
True length = 130 mm; angle with horizontal plane ≈ 22.6°.

About This Question

This is City Guilds Model Questions Vol1 2025 Engineering Question 7. It is one of the objective questions from the 2025 City Guilds Model Questions Vol1 Engineering examination.

Difficulty level: Medium .

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