Maharashtra SSC Electrical Appliances (MSBSHSE) case studies
Maharashtra SSC Electrical Appliances (MSBSHSE) · Put your knowledge to work in context.
Electrical Appliances is a vocational subject offered at the SSC (Class 10) level under the Maharashtra State Board of Secondary and Higher Secondary Education. It is designed for students who want a practical, trade-oriented pathway alongside their general Class 10 subjects, and it also appeals to self-learners, ITI trainees and technicians who service household appliances. The Maharashtra SSC Electrical Appliances (MSBSHSE) case studies are 5 cases and about 3,327 words.
1Socket Circuit Overload in a Small Home
At a small home in Nashik, the following appliances are connected to one 15 A, 230 V single-phase socket circuit: a 2,000 W storage geyser, a 1,000 W electric iron, a 750 W mixer, three ceiling fans of 70 W each and eight LED lamps of 9 W each. The owner wants to run the geyser and iron together and occasionally the mixer at the same time.
641 words, about 3 min2Adding High-Load Appliances to an Old Lighting Circuit
A two-room house in Pune has one 6 A lighting circuit wired with 1.5 mm² copper, feeding 12 lamp points and four fans of 70 W each. The owner adds a 1.5 TR split air conditioner with an input of 1.7 kW, a 2 kW geyser, and a kitchen circuit with a 1.2 kW microwave and a 750 W mixer.
683 words, about 3 min3Storage Geyser With Hot Water Failure
A 15-litre, 2 kW, 230 V storage geyser in a Nagpur bathroom has stopped giving hot water. The neon indicator on the geyser glows whenever the switch is on, but the water stays cold even after 40 minutes.
722 words, about 4 min4Ceiling Fan Hums but Does Not Start
A 1200 mm ceiling fan (230 V, 50 Hz, 80 W) in a Kolhapur bedroom hums when switched on but the blades do not rotate. The fan has a 2.25 µF, 400 V AC capacitor.
627 words, about 3 min5Electric Shock From a Washing Machine Body
While using a washing machine in a ground-floor flat in Mumbai, the user gets a severe shock on touching the metal body. The machine is connected to a 6 A socket with a 16 A MCB at the board; there is no RCCB.
654 words, about 3 min