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Electrical Engineering › Utilisation & Building Services

Lifts & Escalators MCQ [Free PDF] – 3 Objective Questions with Answers

Every Lifts & Escalators question asked in GPSC AE Electrical — solve, check instantly, then read the formula and exam tip.

3 PYQs3 subtopics1 examUpdated 23 Oct 2026
Topic practice0/3✓ 0✗ 0

Elevators (1)

Q1Easy
Asked in: GPSC AE Electrical · AE R&B · 2025 · Series M
In an electromechanical lift system, what is the primary function of the governor?
View answer & solution
Correct answer: C. To activate the safety brake in case of overspeeding
Quick explanation

The lift governor is an overspeed-sensing safety device. If car speed exceeds its permitted value, the governor trips the safety mechanism so the car's safety gear/brake can grip the guide rails and stop the lift.

Overspeed → governor trips → safety gear/brake engages → car stops
Verified · SRO editorial deskSolution page → Report

Escalators (1)

Q2Easy
Asked in: GPSC AE Electrical · AE R&B · 2025 · Series M
What is the typical angle of inclination for a commercial escalator as per general safety standards?
View answer & solution
Correct answer: B. 30 degrees
Quick explanation

A common commercial escalator inclination is about 30° to the horizontal. This provides a practical compromise between vertical rise, passenger comfort, safety and floor-space requirements.

Verified · SRO editorial deskSolution page → Report

Traction Elevators (1)

Q3Easy
Asked in: GPSC AE Electrical · AE R&B · 2025 · Series M
In a traction lift, what is the function of the counterweight?
View answer & solution
Correct answer: B. It balances the weight of the lift car and a portion of its load to save energy
Quick explanation

The counterweight balances the lift car plus a designed fraction of rated load, reducing the traction motor torque and energy needed to move the system. It also helps maintain traction on the sheave.

Verified · SRO editorial deskSolution page → Report
SarkariResultOutLifts & Escalators MCQ — 3 questions with answersFree PDF · sarkariresultout.com/mcq/electrical-engineering/utilisation-and-building-services/lifts-and-escalators/
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