Electro-Technical Competence

Basic Questions of Electrical Equipment

This test covers the basics of operating and maintaining electrical equipment, including setting thermal relays, measuring voltages, servicing batteries, distinguishing between analog and digital signals, methods of starting electric motors, selective protection, automations and much more.

Питань 18

Час 9 min

Мова Англійська

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Питання 1

Which of the presented connection options for a Pt100 sensor is characterized by the highest accuracy in temperature data transmission?

A 3.

B 2.

C 1.

Питання 2

Which of the following describes the behavior of temperature indication when one of the two wires of a thermocouple is broken?

A Constant temperature jumps within a certain range unrelated to the actual temperature.

B Constant temperature jumps within a certain range from the actual temperature (±15°C from the actual temperature value).

C A fixed deviation towards the lower side.

D A fixed deviation towards the higher side.

Питання 3

In the absence of a spare pressure switch, can a faulty pressure switch be replaced with a pressure transmitter without making additional changes to the system?

A No, it cannot.

B Yes, it can.

C Only after agreement with the shipowner.

Питання 4