NTDC Jobs 2023 NTS Top 25 MCQs Paper with Answers PDF Written Test Sub Station Attendant Electrician Assistant Lineman Apply Online
NTDC Jobs 2023 NTS Top 25 MCQs Paper PDF along with their answers for the positions of Sub Station Attendant, Electrician, Assistant Lineman, Test Inspector, Sub Station Operator, Line Superintendent, Foreman, Telecom Supervisor, Laboratory Assistant, Cable Jointer, Telecom Mechanic and Crane Operator.
What is the SI unit of electric current?
a. Volt
b. Watt
c. Ampere
d. Ohm
Answer: c. Ampere
What is the color coding of a neutral wire in electrical wiring?
a. Red
b. Yellow
c. Blue
d. Black
Answer: c. Blue
Which of the following is a hazardous material commonly found in electrical equipment?
a. Water
b. Oil
c. Plastic
d. Wood
Answer: b. Oil
What is the purpose of an insulator in an electrical system?
a. To conduct electricity
b. To regulate voltage levels
c. To protect against electric shock
d. To increase power generation
Answer: c. To protect against electric shock
What is the function of a circuit breaker?
a. To protect against electric shock
b. To regulate voltage levels
c. To measure electrical resistance
d. To protect against overcurrent
Answer: d. To protect against overcurrent
What is the unit of electrical resistance?
a. Volt
b. Watt
c. Ampere
d. Ohm
Answer: d. Ohm
What is the purpose of an earthing system in electrical installations?
a. To improve power factor
b. To reduce energy consumption
c. To protect against electric shock
d. To increase voltage levels
Answer: c. To protect against electric shock
What is the purpose of a capacitor in an electrical circuit?
a. To store electrical energy
b. To regulate voltage levels
c. To measure electrical resistance
d. To convert AC to DC
Answer: a. To store electrical energy
What is the unit of electric potential difference?
a. Ampere
b. Joule
c. Watt
d. Volt
Answer: d. Volt
Which of the following is an example of a series circuit?
a. Home lighting system
b. Parallel-connected appliances
c. Electric vehicle charging station
d. Power distribution network
Answer: a. Home lighting system
What is the purpose of a rectifier in an electrical circuit?
a. To convert AC to DC
b. To regulate current flow
c. To measure electrical resistance
d. To increase power factor
Answer: a. To convert AC to DC
What is the primary function of a transformer in an electrical system?
a. To convert DC to AC
b. To regulate voltage levels
c. To store electrical energy
d. To measure electrical resistance
Answer: b. To regulate voltage levels
Which of the following materials is commonly used as an electrical conductor?
a. Rubber
b. Plastic
c. Glass
d. Copper
Answer: d. Copper
What is the purpose of a lightning arrester in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against overvoltage
d. To increase power factor
Answer: c. To protect against overvoltage
What is the purpose of an isolator in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To provide grounding connection
d. To disconnect circuits for maintenance
Answer: d. To disconnect circuits for maintenance
What is the main function of an electric motor?
a. To generate electricity
b. To convert electrical energy into mechanical energy
c. To measure electrical resistance
d. To store electrical energy
Answer: b. To convert electrical energy into mechanical energy
Which of the following safety measures should be taken while working with live electrical wires?
a. Wearing rubber gloves
b. Working on a wet surface
c. Touching live wires with bare hands
d. Using metallic tools
Answer: a. Wearing rubber gloves
What is the purpose of an automatic voltage regulator (AVR) in an electrical system?
a. To regulate current flow
b. To measure electrical resistance
c. To protect against overcurrent
d. To stabilize voltage levels
Answer: d. To stabilize voltage levels
What is the unit of electrical power?
a. Volt
b. Ampere
c. Watt
d. Ohm
Answer: c. Watt
What is the purpose of a power factor correction capacitor?
a. To measure electrical resistance
b. To reduce energy consumption
c. To protect against electric shock
d. To improve power factor
Answer: d. To improve power factor
Which of the following tools is commonly used for electrical wire stripping?
a. Pliers
b. Screwdriver
c. Hammer
d. Wrench
Answer: a. Pliers
What is the function of an ammeter in an electrical circuit?
a. To measure electrical current
b. To regulate voltage levels
c. To convert AC to DC
d. To increase power factor
Answer: a. To measure electrical current
What is the purpose of a surge protector in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against power surges
d. To increase power factor
Answer: c. To protect against power surges
What is the purpose of a ground fault circuit interrupter (GFCI)?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against electric shock
d. To increase power factor
Answer: c. To protect against electric shock
Which of the following is a safety measure when working at heights in electrical installations?
a. Wearing safety goggles
b. Using non-conductive ladders
c. Using metallic tools
d. Working alone
Answer: b. Using non-conductive ladders
Note: It is the relevant technical knowledge, practical skills, and theoretical concepts to prepare for the specific requirements of the job.
NTDC Jobs 2023 NTS Top 25 MCQs Paper with Answers PDF Written Test Sub Station Attendant Electrician Assistant Lineman Apply Online
NTDC Jobs 2023 NTS Top 25 MCQs Paper with Answers PDF Written Test Sub Station Attendant Electrician Assistant Lineman Apply Online
NTDC Jobs 2023 NTS Top 25 MCQs Paper with Answers PDF Written Test Sub Station Attendant Electrician Assistant Lineman Apply Online
NTDC Jobs 2023 NTS Top 25 MCQs Paper PDF along with their answers for the positions of Sub Station Attendant, Electrician, Assistant Lineman, Test Inspector, Sub Station Operator, Line Superintendent, Foreman, Telecom Supervisor, Laboratory Assistant, Cable Jointer, Telecom Mechanic and Crane Operator.
What is the SI unit of electric current?
a. Volt
b. Watt
c. Ampere
d. Ohm
Answer: c. Ampere
What is the color coding of a neutral wire in electrical wiring?
a. Red
b. Yellow
c. Blue
d. Black
Answer: c. Blue
Which of the following is a hazardous material commonly found in electrical equipment?
a. Water
b. Oil
c. Plastic
d. Wood
Answer: b. Oil
What is the purpose of an insulator in an electrical system?
a. To conduct electricity
b. To regulate voltage levels
c. To protect against electric shock
d. To increase power generation
Answer: c. To protect against electric shock
What is the function of a circuit breaker?
a. To protect against electric shock
b. To regulate voltage levels
c. To measure electrical resistance
d. To protect against overcurrent
Answer: d. To protect against overcurrent
What is the unit of electrical resistance?
a. Volt
b. Watt
c. Ampere
d. Ohm
Answer: d. Ohm
What is the purpose of an earthing system in electrical installations?
a. To improve power factor
b. To reduce energy consumption
c. To protect against electric shock
d. To increase voltage levels
Answer: c. To protect against electric shock
What is the purpose of a capacitor in an electrical circuit?
a. To store electrical energy
b. To regulate voltage levels
c. To measure electrical resistance
d. To convert AC to DC
Answer: a. To store electrical energy
What is the unit of electric potential difference?
a. Ampere
b. Joule
c. Watt
d. Volt
Answer: d. Volt
Which of the following is an example of a series circuit?
a. Home lighting system
b. Parallel-connected appliances
c. Electric vehicle charging station
d. Power distribution network
Answer: a. Home lighting system
What is the purpose of a rectifier in an electrical circuit?
a. To convert AC to DC
b. To regulate current flow
c. To measure electrical resistance
d. To increase power factor
Answer: a. To convert AC to DC
What is the primary function of a transformer in an electrical system?
a. To convert DC to AC
b. To regulate voltage levels
c. To store electrical energy
d. To measure electrical resistance
Answer: b. To regulate voltage levels
Which of the following materials is commonly used as an electrical conductor?
a. Rubber
b. Plastic
c. Glass
d. Copper
Answer: d. Copper
What is the purpose of a lightning arrester in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against overvoltage
d. To increase power factor
Answer: c. To protect against overvoltage
What is the purpose of an isolator in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To provide grounding connection
d. To disconnect circuits for maintenance
Answer: d. To disconnect circuits for maintenance
What is the main function of an electric motor?
a. To generate electricity
b. To convert electrical energy into mechanical energy
c. To measure electrical resistance
d. To store electrical energy
Answer: b. To convert electrical energy into mechanical energy
Which of the following safety measures should be taken while working with live electrical wires?
a. Wearing rubber gloves
b. Working on a wet surface
c. Touching live wires with bare hands
d. Using metallic tools
Answer: a. Wearing rubber gloves
What is the purpose of an automatic voltage regulator (AVR) in an electrical system?
a. To regulate current flow
b. To measure electrical resistance
c. To protect against overcurrent
d. To stabilize voltage levels
Answer: d. To stabilize voltage levels
What is the unit of electrical power?
a. Volt
b. Ampere
c. Watt
d. Ohm
Answer: c. Watt
What is the purpose of a power factor correction capacitor?
a. To measure electrical resistance
b. To reduce energy consumption
c. To protect against electric shock
d. To improve power factor
Answer: d. To improve power factor
Which of the following tools is commonly used for electrical wire stripping?
a. Pliers
b. Screwdriver
c. Hammer
d. Wrench
Answer: a. Pliers
What is the function of an ammeter in an electrical circuit?
a. To measure electrical current
b. To regulate voltage levels
c. To convert AC to DC
d. To increase power factor
Answer: a. To measure electrical current
What is the purpose of a surge protector in an electrical system?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against power surges
d. To increase power factor
Answer: c. To protect against power surges
What is the purpose of a ground fault circuit interrupter (GFCI)?
a. To regulate voltage levels
b. To measure electrical resistance
c. To protect against electric shock
d. To increase power factor
Answer: c. To protect against electric shock
Which of the following is a safety measure when working at heights in electrical installations?
a. Wearing safety goggles
b. Using non-conductive ladders
c. Using metallic tools
d. Working alone
Answer: b. Using non-conductive ladders
Note: It is the relevant technical knowledge, practical skills, and theoretical concepts to prepare for the specific requirements of the job.
NTDC Jobs 2023 NTS Top 25 MCQs Paper with Answers PDF Written Test Sub Station Attendant Electrician Assistant Lineman Apply Online
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