Engine Category > EO7-Maintain Marine Engineering & Control Systems

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Videotel questions are grouped by professional topic, including machinery, electrical equipment, fuel and ballast operations. Choose a subject relevant to your preparation.

“Видеотел — Engine Category > EO7-Maintain Marine Engineering & Control Systems” contains 53 questions across 1 collection.

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Sample questions and answers

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On this commonly used electric pressure transmitter, how will you adjust the range ?

One correct answer

• 1) With item No. 1.
• 2) With item No. 2.
• 3) With item No. 5.
• 4) With item No. 7.✓ Correct answer

If a fault occurs in this power supply system, the best and fastest way to locate this fault is by .......................

One correct answer

• 1) calling the electrician.
• 2) checking the fuses.
• 3) checking the input voltage.
• 4) checking supply volts, fuses then the Trouble Shooting Chart.✓ Correct answer

Between which values (expressed in psi) can setting of the Sv (set value or desired value) bellow of this pneumatic P controller be affected?

One correct answer

• 1) Between 0 and 20 psi.
• 2) Between 2 and 2.75 psi.
• 3) Between 3 and 15 psi.✓ Correct answer
• 4) Between 0 and 15 psi.

On which part of this pneumatic transmitter does the pressure of the process (steam, oil, water) act ?

One correct answer

• 1) Item No. 1.
• 2) Item No. 2.✓ Correct answer
• 3) Item No. 3.
• 4) Item No. 4.

The measuring signal obtained to carry out flow measuring is a Differential pressure signal. This is obtained by a certain medium flowing through a ................

One correct answer

• 1) nozzle system.
• 2) capillary tube.
• 3) oriface plate.✓ Correct answer
• 4) a right-angled nozzle system.

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