List of top Questions asked in CBSE CLASS XII

Which of the following is not a safety concern in a manufacturing industry?
Impedance, in general, is the opposition to voltage. (True/False)
What do you mean by occupational hygiene?
Which view in a presentation application allows you to see all your slides at once?
What is self-awareness?
The process of establishing a hazardous location or agent at the workplace is called
Occupational diseases are generally caused by poor work or working conditions. (True/False)
In which sector do green jobs contribute to the development and implementation of renewable energy sources?
Begin working on electrical equipments only when they are energized. (True/False)
A ________ is a company that is in the first stage of its operations.
With control circuit diagram, explain the working of direct on-line motor starter.
Write the precautions to be taken while using a single-phase motor. Also give its advantages and disadvantages over three-phase induction motor.
Explain the good handling technique of lifting heavy load manually at workplace.
What is a key characteristic of Schizoid personality disorder?
What is a Digital multimeter? Write its features and draw its schematic block diagram.
What is the first step in the active listening process?
Explain why a single-phase induction motor is not self-starting. What are the methods used to make it self-starting?
Explain the basic concept of transformer. Mention any two different types of transformers.
Draw a labelled diagram of an Electric Mixer.
Draw a diagram showing inductance in an AC circuit with the voltage and current waveform.
Explain the construction, working, and uses of a capacitor-start capacitor-run single-phase induction motor.
Write any two precautions to be taken while using an immersion heater.
Write possible faults that may occur in a Room Cooler and an Electric Geyser. How can these faults be removed?
Explain in brief the different types of cooling systems used for transformers.
List the importance of positive thinking in life.