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100+ Free Maharashtra SSC Electrical Technology Pre-Voc/NSQF Practice Questions
Maharashtra Secondary School Certificate (SSC / Class 10) Electrical Technology — MSBSHSE pre-vocational / NSQF skill subject (commonly code 92; confirm hall ticket) practice questions are available now; exam metadata is being verified.
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Sample Maharashtra SSC Electrical Technology Pre-Voc/NSQF Practice Questions
Try these sample questions to test your Maharashtra SSC Electrical Technology Pre-Voc/NSQF exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Before starting work on a live circuit, the safest first action is to:
A.Isolate the supply and verify it is dead
B.Touch the wires with a bare finger to check
C.Leave the main switch ON for lighting
D.Stand in water for better contact
Explanation: Safe electrical work begins with isolation (switching off and securing the supply) and proving dead with a suitable tester before touch. Working on energised conductors without controls risks shock and arc flash.
2Which personal protective item is most directly used to reduce electric shock risk when handling potentially live equipment?
A.Cotton dust mask only
B.Insulated gloves rated for the voltage
C.Ordinary wet cotton gloves
D.Metal jewellery for better grip
Explanation: Voltage-rated insulating gloves form a barrier between the worker and live parts. They must be dry, undamaged, and suitable for the system voltage, and used with other controls such as isolation when possible.
3Electric shock severity mainly depends on which combination of factors?
A.Only the colour of the cable sheath
B.Current through the body, path, and duration
C.Only the brand of the switchboard
D.Only ambient room temperature
Explanation: Injury from shock is driven by how much current flows through the body, which path it takes (especially heart/brain), and how long contact lasts. Voltage and body resistance affect current via Ohm’s law, but current and path determine harm.
4If a co-worker is receiving a continuous electric shock and is stuck to a live conductor, your first priority is to:
A.Pull them free with bare hands immediately
B.Pour water on them while they remain connected
C.Isolate the supply or separate them with a dry insulating means, then call for help
D.Leave the site without reporting
Explanation: Rescuers must not become second victims. Switch off the supply if possible, or use a dry non-conducting object to break contact, then start first aid/CPR as trained and call emergency services.
5Why should jewellery and metal watches be removed before electrical work?
A.They improve insulation automatically
B.They can short live parts or cause severe burns if current flows through them
C.They are required by all wiring colour codes
D.They increase megger readings
Explanation: Conductive jewellery can bridge terminals or live parts, causing short circuits, arc burns, or concentrating current on skin. Removing metal accessories reduces contact and burn hazards.
6A damaged flexible cord with exposed copper strands should be:
A.Wrapped with ordinary sticky tape and left in service
B.Taken out of service and repaired or replaced by a competent person
C.Painted red so people know it is special
D.Used only for outdoor extension at full load
Explanation: Exposed live conductors are a shock and fire hazard. Remove the equipment from service, tag it defective, and repair or replace the cord correctly—do not rely on temporary adhesive tape as a permanent fix.
7Which practice best reduces fire risk from overloaded wiring?
A.Using multiple high-wattage appliances on one undersized socket adapter chain
B.Matching cable size and protective device rating to the expected load
C.Bypassing fuses with thick copper wire
D.Ignoring warm plugs and smell of burning insulation
Explanation: Overheating occurs when current exceeds the safe capacity of cables or joints. Correct conductor sizing, proper protective devices, and avoiding multi-adapter overloads keep temperature within limits.
8In a workshop, electrical tools with metal bodies should preferably be:
A.Used with broken earth pins if the job is urgent
B.Double-insulated or properly earthed as designed
C.Connected through a wet floor for cooling
D.Operated without any plug
Explanation: Class I tools need a protective earth path; Class II (double-insulated) tools rely on reinforced insulation. Either way, the designed protection must be intact—never defeat the earth pin for convenience.
9Lockout/tagout (or equivalent isolation control) is used mainly to:
A.Speed up production by skipping isolation
B.Prevent unexpected re-energisation while someone is working on equipment
C.Increase voltage during maintenance
D.Replace the need for PPE forever
Explanation: Isolation controls keep the energy source secured so co-workers cannot switch equipment back on during work. Tags communicate who locked it and why; PPE still supports residual risk control.
10Which statement about ladders near overhead lines is correct?
A.Metal ladders are always safest near live lines
B.Keep safe clearance; treat unknown lines as live and use non-conductive ladders when appropriate
C.Touch the line briefly to check if it is dead
D.No clearance is needed if work is quick
Explanation: Approach distance and insulated practices matter near overhead conductors. Metal ladders can conduct; never contact a line to test it. If clearance cannot be guaranteed, de-energise through the utility or stop work.
About the Maharashtra SSC Electrical Technology Pre-Voc/NSQF Practice Questions
Verified exam format metadata for Maharashtra Secondary School Certificate (SSC / Class 10) Electrical Technology — MSBSHSE pre-vocational / NSQF skill subject (commonly code 92; confirm hall ticket) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.