Basic Technology GK on-line Test - Set 04 - ObjectiveBooks

Basic Technology GK on-line Test - Set 04

GK Practice Test: Question Set - 04

1. Voltage is sometimes referred to as EMF, or Electromotive?
    (A) Field
    (B) Factor
    (C) Flash
    (D) Force

2. The input used by an antenna or cable to a TV set uses frequencies called?
    (A) IF
    (B) RF
    (C) AF
    (D) SAP

3. Larger buildings may be supplied with a medium voltage electricity supply, and will require a substation or mini-sub. What is the main item of equipment contained in these?
    (A) Transformer
    (B) Transponder
    (C) Transducer
    (D) Converter

4. What was the active medium used in the first working laser ever constructed?
    (A) A diamond block
    (B) Helium-neon gas
    (C) A ruby rod
    (D) Carbon dioxide gas

5. What is “Hot Line”?
    (A) An Electric wire
    (B) Line of control in the battle field
    (C) Imaginary line indicating atmospheric pressure
    (D) A telecommunication link

6. Blue is what number on the resistor color code?
    (A) 1
    (B) 4
    (C) 2
    (D) 6

7. What is an FET?
    (A) Farad Effect Transformer
    (B) Field Effect Transformer
    (C) Field Effect Transistor
    (D) French Energy Transfer

8. How many diodes are in a full wave bridge rectifier?
    (A) 8
    (B) 2
    (C) 4
    (D) 3

9. Which device can be used to store charge?
    (A) Transistor
    (B) Diode
    (C) Capacitor
    (D) Resistor

10. Name the terminals of a BJT.
    (A) Drain, Gate, Source
    (B) Positive, Negative, Neutral
    (C) Anode, Cathode, Triode
    (D) Emitter, Base, Collector

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