ECT - Extra

Electromagnetic waves travels ______.

• at the speed of sound

• at the speed of light

• depending on the frequency

• more than the speed of light

RA9292 is composed of ___ Articles.

• 5

• 6

• 8

• 9

What is Section 42 of RA9292?

• Repealing Clause

• Separability Clause

• Effectivity

• Appropriations

What is Section 4 of RA9292?

• Definition of Terms

• Statement of Policy

• Nature and Scope of PECE, ECE, and ECT

• Categories of Practice

According to RA9292, It is defined as any variety of electronic devices that is capable of accepting data, programs and/or instructions, executing the programs and/or instruction to process data ang presenting the results

• Electronics

• Communications

• Computer

• Telecommunications

What is the range of frequency for VHF?

• 30 - 300 MHz

• 30 - 300 kHz

• 3 - 30 MHz

• 30 - 300 GHz

The green wire on a 3-phi system is for _____ connection.

• neutral

• ground

• nothing

• supply

A single-phi ideal transformer (240/2880) with the primary connected to a 240 V source with a cable resistance of 3Ω, and load resistance connected to the secondary is 720 Ω. What is the power dissipated at the load?

• 5.4 kW

• 4.3 kW

• 3.4 kW

• 4.5 kW

Answer explanation

What is the function of a A118 diode?

• Power Diode

• General Purpose

• Zener

• Tuning

What safety precautions should you take before beginning repairs on an antenna?

• Inform your neighbor so they are aware of your intentions

• Turn off the main power switch in your base

• Be sure you and the antenna structure are grounded

• Be sure to turn off the transmitter & disconnect the feedline