Latest TLE Reviewer 14 - LET EXAM - Questions & Answers

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Latest TLE Reviewer 14


1. Which hand tool is used solely for cutting metals

A. Utility knife
B. Saw
C. Magnifying Glass
D. Paint brush

ANS: B

2. What is the reason why threads become stripped?

A. Screws are over tightened
B. Screws are heated
C. Screws are molded
D. Screws are painted

ANS: A

3. In what instrument is the Ohm meter found?

A. Ammeter
B. Tube tester
C. capacitor tester
D. VOM

ANS: D

4. From what part of the ohmmeter do you resistance reading?

A. range multiplier
B. reading scale
C. test probes
D. pointer

ANS: A

5. Which instrument serves as 3 measuring instruments in one?

A. Audio generator
B. Oscilloscope
C. Signal generator
D. VOM


ANS: D

6. Which device produces simple waveforms?

A. audio amplifier
B. VOM
C. Signal tracer
D. Signal generator

ANS: D

7. What is another name for connection diagram?

A. Wiring diagram
B. Block diagram
C. Pictorial diagram
D. Schematic diagram

ANS: D

8. Which equipment is used to discharge electrical charges produced by the human body?

A. Audio generator
B. Signal generator
C. ESD
D. VOM

ANS: C

9. Which term refers to the set of rules practices to ensure no accident prevention?

A. safety practices
B. rules and regulation
C. Policy order
D. Action plan

ANS: A

10. What is the best place of electronic hand tools and equipment?

A. tool box
B. tool cabinet
C. tool room
D. tool bag

ANS: A

11. What tools are not recommended to be used in electronics works?

A.  brand new tools
B. branded tools
C. damaged tools
D. Locally produced tools

ANS: C

12. Which type of lines is used to show mechanical linkage between components or part components on schematic diagram?

A. Connecting  lines
B. Dashed lines
C. medium lines
D. Thin lines

ANS: A

13. What does VOM mean?

A. Ac voltmeter
B. Ohmmeter
C. DC Milliameter
D. Volt-Ohm-Milliammeter

ANS: D

14. Which fool is used to cut the  insulation without cutting the wire?

A. Utility knife
B. Hacksaw
C. Side cutter
D. Wire stripper

ANS: D

15. What does LED stand for?

A. light emitting display
B. Low energy display
C. Light emitting diode
D. Light emitting detector

ANS: C

16. Which picture or sketch shows the component of a circuit and how these components are connected together?

A. Wiring diagram
B. Block diagram
C. Pictorial diagram
D. Schematic diagram

ANS: C

17. 3 Pcs. Of resistor in which the values are 1- ohms, 2 ohms, and 50 ohms. If the 20 ohms is open what will be the reading in the ohmmeter?

A. 60 ohms
B. 0 ohms
C. infinite
D. 80 Ohms

ANS: C

18. Why does an AM receiver or pick-up sign despite the far distance from the transmitter compared to the FM receiver?

A. The Am receiver picks up signal easily because of the transistor
B. The Am receiver picks up signal easily because the signal  transmitted by Am transmitted is by means of line to sight.
C. The Am receiver picks up signal easily because the transmitted by Am transmitter is by means of line to ground
D. The Am receiver picks up signal easily because the signals transmitted by Am transmitter is by means of the line to sight

ANS: C

19. Why is it needed to antenna in higher or an elevated area particular in a mountainous place?

I. All signals transmitted by the transmitter station is by mean of line to ground; the higher antenna the more signal can be received
II. The antenna is placed in higher or elevated area in order to capture the direction.
III. Signals transmitted by the transmitter station is by means of line to sight the higher antenna the more signal can be received.

A. I only
B. III only
C. III only
D. I, II and III

ANS: B

20. A service electronics technician cleaned the terminal of the component using sand paper or knife before it soldered to the PCB. What is the main purpose of that cleaning?

A. To attracted more charges
B. To remove the insulator so that soldering can be made easily
C. To attract electron, protons and neutron
D. To maximize the desired voltages

ANS: B

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