CTS & CITS Electrician nimi mock test mcq test Part -3

 

Electrician Questions and Answers 

Electrician MCQ Part -3

Electrician MCQ: Types of questions and answers in Electrician, Electrician, Electrician quiz questions, and answers. 

 

1. Which is used as a positive electrode in a dry cell?

A) Zinc
B) Carbon
C) Copper
D) Lithium

ANSWER= (B) Carbon

 

2. What happens to the terminal voltage of a cell if load increases?

A) Increases
B) Decreases
C) Falls to zero
D) Remains same

ANSWER= (B) Decreases

 

3. How local action defect is prevented in voltaic cells?

A) By connecting cells in series
B) By using a depolarizing agent
C) By connecting cells in parallel
D) By amalgamating the zinc plate

ANSWER= (D) By amalgamating the zinc plate

 

4. What does the letter Z indicate in the formula M=Z/it | M=Z/it

A) Time in seconds
B) E.C.E of electrolyte
C) Amount of current in Amp
D) Mass deposited in grams

ANSWER= (B) E.C.E of electrolyte

 

5. What is the Electro Chemical Equivalent (ECE) of copper?

A) 0.329 mg / coulomb
B) 0.329 g/ coulomb
C) 1.1182 mg / coulomb
D) 1.1182 g/ coulomb

ANSWER= (A) 0.329 mg / coulomb

 

6. Which is the cause for buckling defect in lead acid battery?

A) Overcharging or over discharging
B) Charging with low rate for short period
C) Formation of sediments falling from the plate
D) Battery is kept in discharged condition for long period

ANSWER= (A) Overcharging or over discharging

 

7. Which apparatus is used to check the charging condition of voltage in battery?

A) Voltmeter
B) Multimeter
C) Hydrometer
D) High rate discharge tester

ANSWER= (D) High rate discharge tester

 

8. Which part is losing electron during electrolysis?

A) Cathode
B) Anode
C) Electrolyte
D) Seperator

ANSWER= (B) Anode

 

9. How the conduit pipes are specified?

A) Length in metre
B) Wall thickness in mm
C) Inner diameter in mm
D) Outer diameter in mm

ANSWER= (D) Outer diameter in mm

 

10. What is the fusing factor for rewireable fuse?

A) 1.1
B) 1.4
C) 2.1
D) 2.5

ANSWER= (A) 1.4

 

11. What is the purpose of underwriter’s knot for pendent holder connection?

A) Avoid loose connections
B) Increase mechanical strength
C) Prevent excessive cap cover pressure
D) Reduce the strain from the terminals of accessories

ANSWER= (D)Reduce the strain from the terminals of accessories

 

12. What is the type of fuse? system?

A) Knife edge cartridge fuse
B) High rupturing capacity fuse
C) Ferrule contact cartridge fuse
D) Diazed screw type cartridge fuse

ANSWER= (B) High rupturing capacity fuse .

 

13. Which type of load is protected by the L-series MCB?

A) Motors
B) Geyser
C) Hand tools
D) Air conditioner

ANSWER= (B) Geyser

 

14. What is the effect of low current rated cable used to connect higher current load?

A) Voltage drop increases
B) Load current increases
C) Voltage drop decreases
D) Cable damage due to heat

ANSWER= (D) Cable damage due to heat

 

15. How many two way switches with intermediate switch are used to control one lamp from three different places?

A) 1
B) 2
C) 3
D) 4

ANSWER= (B) 2