City Guilds Model Questions Vol1 2018 Engineering Question 13

Practice objective / multiple choice question 13 from the 2018 City Guilds Model Questions Vol1 Engineering examination.

City Guilds Model Questions Vol1 2018 Engineering Objective / Multiple Choice Medium Difficulty
Question 13 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2018 • ENGINEERING • objective

A motor runs at \(1500\) rpm and delivers a torque of \(12\) N·m. It drives a gear train as follows: the driver gear (20 teeth) meshes with an intermediate gear (40 teeth) on the same shaft; this intermediate gear (30 teeth) meshes with a driven gear (60 teeth) attached to a conveyor. Each mesh operates at \(95\)% efficiency. Find the speed (rpm) and the torque (N·m) delivered to the conveyor shaft.

Answer Options

A. Speed = 750 rpm, Torque ≈ 22.8 N·m
B. Speed = 375 rpm, Torque ≈ 48 N·m
Correct Answer C. Speed = 375 rpm, Torque ≈ 43.3 N·m
D. Speed = 1500 rpm, Torque ≈ 12 N·m
Correct Answer
C
Correct Option:
Speed = 375 rpm, Torque ≈ 43.3 N·m

About This Question

This is City Guilds Model Questions Vol1 2018 Engineering Question 13. It is one of the objective questions from the 2018 City Guilds Model Questions Vol1 Engineering examination.

Difficulty level: Medium .

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