EIAT Tool Recognition and Use 4

Question 1

Which tool is used to measure the resistance of an elevator motor winding?

Accepted Answer

Ohmmeter or multimeter in resistance mode

Answer

An ohmmeter (or multimeter set to resistance) measures winding resistance in ohms to check for opens or shorts.

Question 2

A technician is testing insulation integrity of elevator motor windings. Which specialized instrument is required?

Accepted Answer

Megohmmeter (megger)

Answer

A megohmmeter applies high voltage to measure insulation resistance in megohms, revealing degraded insulation.

Question 3

When cutting the threads on a threaded rod used for hitch plate installation, which tool is used?

Accepted Answer

Die and die stock

Answer

A die and die stock cuts external threads onto a rod; a tap cuts internal threads inside a hole.

Question 4

Which tool is used to cut a clean hole through a steel panel for a push button or indicator fixture?

Accepted Answer

Hole saw or chassis punch

Answer

A chassis (knockout) punch or hole saw produces a clean, correctly sized hole in a steel panel for electrical fixtures.

Question 5

What tool measures the actual running current of an elevator motor without interrupting the circuit?

Accepted Answer

Clamp ammeter (clamp meter)

Answer

A clamp ammeter slips around a conductor and measures current via electromagnetic induction without breaking the circuit.

EIAT - Elevator Industry Aptitude Test Practice Test