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LNG Operations - Engine

High Voltage Related Questions of LNG Fleet

Questions for ETO position working with High Voltage PMS and switchgear. Highly recommended for LNG fleet ETO's. Switchboards, procedures, VCB, HV Contactors and Safety questions are waiting for you here.

Mga Tanong 10
Time Limit 5 min
Wika Ingles

Mga Sample na Tanong

Narito ang ilang halimbawang tanong mula sa quiz na ito. I-download ang GYRO app upang kunin ang buong pagsusulit.

Tanong 1

Where continuous ground monitoring is used on systems with variable frequency drives, the ground monitoring system must be able to function properly. True or False?

A True
B False

Tanong 2

The faster the voltage pulses switch, the greater the impact of cable capacitance and inductance. More stress to motor’s windings, causing heat and premature failure.

A True
B False

Tanong 3

Racking ACB into Inserted position is allowed when earth switch is closed. True or False?

A True
B False

Tanong 4

Chose Advantages of Vacuum Circuit Breakers:

A Minimum arcing. Arc quenches when it is stretched over 2-3mm
B More compact than other breakers of similar capacity.
C Vacuum bottles are relatively inexpensive and easy to replace.
D Cheaper that SF6 circuit breakers.

Tanong 5

What are the main types of high voltage circuit breakers used in main switchboards?

A Air, vacuum, and sulfur hexafluoride (SF6).
B Manual, automatic, remote, and programmable.
C Electromechanical, hydraulic, pneumatic, and electronic.
D Single-pole, double-pole, three-pole, and four-pole.