City Guilds Model Questions Vol1 2017 Engineering Question 44

Practice objective / multiple choice question 44 from the 2017 City Guilds Model Questions Vol1 Engineering examination.

City Guilds Model Questions Vol1 2017 Engineering Objective / Multiple Choice Medium Difficulty
Question 44 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2017 • ENGINEERING • objective

In a rectangular workshop measuring 60 m by 40 m, the farthest point from a fire alarm is 30 m. After the alarm, a worker must reach the nearest fire extinguisher within 15 s, walking at 1.8 m s⁻¹. Extinguishers are to be placed in a regular square grid covering the whole floor. Determine the maximum allowable spacing between adjacent extinguishers so that any point in the workshop is within the required travel distance, and suggest a practical spacing that satisfies the condition.

Answer Options

Correct Answer A. Maximum spacing ≈ 38 m; a practical spacing of 30 m meets the 15 s travel requirement.
B. Maximum spacing ≈ 45 m; a practical spacing of 35 m meets the 15 s travel requirement.
C. Maximum spacing ≈ 32 m; a practical spacing of 25 m meets the 15 s travel requirement.
D. Maximum spacing ≈ 50 m; a practical spacing of 40 m meets the 15 s travel requirement.
Correct Answer
A
Correct Option:
Maximum spacing ≈ 38 m; a practical spacing of 30 m meets the 15 s travel requirement.

About This Question

This is City Guilds Model Questions Vol1 2017 Engineering Question 44. It is one of the objective questions from the 2017 City Guilds Model Questions Vol1 Engineering examination.

Difficulty level: Medium .

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