
ICIT: SEQUENCE OF CONTROL+DIRECT AND INDIRECT CONTACT

Quiz
•
Engineering
•
Professional Development
•
Hard
Y P Chai
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the kWh (Energy) meter in the AC incoming supply system?
To provide overcurrent protection
To distribute energy to final circuits
To register energy consumption
To isolate and switch the circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two forms of electric shock mentioned in SS638: 2018?
Direct and Indirect
Primary and Secondary
Visible and Invisible
Internal and External
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of earthed equipotential bonding and automatic disconnection of supply?
Protection against short circuit
Protection against overcurrent
Protection against indirect contact
Protection against direct contact
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of Class II equipment?
Use of supplementary insulation for safety
Presence of live parts in the equipment
Reliance on basic insulation for protection against electric shock
Connection of exposed metal work to a protective conductor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of overload current?
Result of two or more live conductors touching together
Result of a phase conductor touching the protective conductor
Result of adding more loads than the designed condition
Result of a current passing through the body of a person
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to signify the possible value of short-circuit current at the point where the protective device is installed?
Prospective short-circuit current
Fault current
Residual current
Overload current
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should fuses and single-pole circuit breakers be installed in systems with earthed neutrals?
In the neutral conductor
In the phase conductors
In the protective conductor
In the earth conductor
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