Engine Category > EM7-Operate Electrical and Electronic Equipment

About this collection

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 > EM7-Operate Electrical and Electronic Equipment” contains 27 questions across 1 collection.

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Sample questions and answers

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In these integrator circuits the air flow through the restrictor and the current through the resistance ....................

One correct answer

• 1) remains constant.
• 2) decreases with time.✓ Correct answer
• 3) increases with time.
• 4) is negative.

Which of these formulas is used to calculate capacitive reactance (Xc) ?

One correct answer

• 1) A
• 2) B✓ Correct answer
• 3) C
• 4) D

The resistance characteristic of Platinum is linear. The resistance characteristic of Nickel is non-linear. How can the characteristic of Nickel be made linear ?

One correct answer

• 1) By using a three-wire system Wheatstone Bridge
• 2) By fitting a compensation cable
• 3) By fitting another resistance in parallel✓ Correct answer
• 4) By fitting another resistance in series

Which resistor determines the proportional band on this electronic proportional integrating controller ?

One correct answer

• 1) Rf
• 2) R1
• 3) R2
• 4) R3✓ Correct answer

What does this symbol represent?

One correct answer

• 1) A differential trigger.
• 2) A binary register.
• 3) A binary flip-flop.✓ Correct answer
• 4) A digital amplifier.

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