Diesel Mechanic Various Electrical and Electronics Connections - Set 02 - ObjectiveBooks

Diesel Mechanic Various Electrical and Electronics Connections - Set 02

Practice Test: Question Set - 02

1. What is the advantage of free maintenance sealed battery?
    (A) No need for check and top up distilled water
    (B) No need for recharging of battery
    (C) No chance for sulphation of battery terminals
    (D) No need for disconnect the terminals to

2. What is the material of positive plate in the lead acid battery?
    (A) Tin
    (B) Lead peroxide
    (C) Antimony
    (D) Spongy lead

3. Which is the semi conductor material?
    (A) Iron
    (B) Gold
    (C) Silicon
    (D) Carbon

4. What does number 25 in the cable size (25/0.012) indicate?
    (A) Length of the strand
    (B) Number of the strand
    (C) Diameter of the strand
    (D) Thickness of the cable

5. Which Law states that 'The current is directly proportional to the voltage and inversely proportional to the resistance?
    (A) Ohm's Law
    (B) Hook's Law
    (C) Boyle's Law
    (D) Newton's Law

6. What is the energy conversion of battery during charging?
    (A) Electrical energy into chemical energy
    (B) Electrical energy into heat energy
    (C) Chemical energy into electrical energy
    (D) Electrical energy into mechanical energy

7. Which logic gate is called as 'Inverter'?
    (A) OR gate
    (B) AND gate
    (C) NOT gate
    (D) NOR gate

8. Which acid is used in the lead acid battery?
    (A) Nitric acid
    (B) Sulphuric acid
    (C) Hydrobromic acid
    (D) Hydrochloric acid

9. What is the specific gravity of fully charged battery?
    (A) 1.170 - 1.200
    (B) 1.210 - 1.230
    (C) 1.240 - 1.250
    (D) 1.260 - 1.280

10. What is the purpose of color code in cables?
    (A) Color refers the current rating
    (B) Color refers the voltage rating
    (C) Easy identification of each circuit
    (D) Refers the size of the wire

11. What is the ampere hour rating of battery deliver 5 ampere and period of 20 hours?
    (A) 80 Ampere hour
    (B) 90 Ampere hour
    (C) 100 Ampere hour
    (D) 110 Ampere hour

12. What is the name of central part of an atom?
    (A) Proton
    (B) Electron
    (C) Neutron
    (D) Nucleus

13. Which is a temperature sensitive resistor?
    (A) Diode
    (B) Thyristor
    (C) Thermistor
    (D) Transistor

14. What type of resistor is used in the vehicle flasher unit?
    (A) Ballast resistor
    (B) Film resistor
    (C) Printed resistor
    (D) Integrated resistor

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