Unit I
Q1. Explain ac and dc voltage with suitable diagram, frequency and voltage of ac.Explain Miniature Circuit Breakers(MCB) for domestic electric supply.
Q2. What are lightning conductor? How can electrical hazards be managed?
Unit II
Q3. What are different Transmission of Heat?What are Modes of heat transfer? Explain with examples?
Q4. How the temperature from Fahrenheit to Celsius and Kelvin can be converted and Convert temperatures among them. With examples.
Unit III
Q5. Explain the basic Principle, construction and working of solar cooker with suitable diagram.
Q6. What is Heating effect of electric current?Explainthermostatic control and automation with bimetallic strip,and working of immersion heater
Combined (Covered each unit)
Q7. Answer the following questions (very short)
a) What is the need of lighting conductors on the roof ?
b) Differentiate any two points of good and bad conductors of heat
c) Complete the following sentences
Vacuum flask is designed to keep ……..
Bimetallic Strip is used in……
d)Write any two applications of MS-word
Unit IV
Q8. Explain the roll of operating system and features of WINDOWS, UNIXoperating systems.
Q9. Give Applications of MS-Excel and Explain the following commands Open a new document, Open a saved document, Typing text, selecting text, copy-paste,cut-paste, saving file, closing file, renaming a file, page layout.
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