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WorksheetsS3ME QUIZ MODULE 3
Total questions: 16
Worksheet time: 5mins
Hey there, future scientists! 🌟 Can you help Siya, Sanya, and Shreya in their quest to find the perfect materials for a heating element? Select the correct option from the choices below!
Eureka
Nickel
Chromium
Cobalt
Hey there, future engineers! 🌟 Let's put your knowledge to the test! Can you spot the odd one out when it comes to the properties of heating elements? Choose the incorrect property from the options below. Ready? Go!
High mechanical strength
High ductility
Low ductility
High resistance
Hey there, future scientists! 🌟 Let's dive into the world of heat transfer!
Statement 1: Conduction mode of heat transfer is only seen in solids.
Statement 2: Convection mode of heat transfer is not possible in solids.
Now, which option do you think is correct? Put on your thinking caps, Dhruv, Ishaan, and Advait!
Both Statement 1 & 2 are correct!
Both Statement 1 & 2 are incorrect!
Statement 1 is correct and Statement 2 is incorrect!
Statement 2 is correct and Statement 1 is incorrect!
Hey Aashi, Aanya, and Vanya!
Imagine you're in a high-tech workshop with an induction furnace. Can you guess what role the workpiece plays in this fascinating setup?
A primary winding
A secondary winding
Tertiary winding
Inductance
Hey there, future engineers! Induction heating is like magic in the world of metalwork. Can you guess where it's most commonly used?
Surface hardening of steels
Melting of metals
Brazing and soldering
All of the above
Hey Eshaan, Asher, and Rahul! Let's dive into the world of induction coils! Can you select the materials that are commonly used for these fascinating components?
Gold
Copper
Aluminum
Steel
Hey there, future engineers! Can you help Aarush, Dhruv, and Eshaan figure out which type of heating method is shown in the figure below? Take a close look and choose wisely!
Coreless arc furnace
Core type arc furnace
Direct core induction furnace
Coreless induction furnace
Hey there, science enthusiasts! Myra, Vanya, and Akhil are exploring the fascinating world of induction heating. Can you help them figure out which material is a no-go for this heating method?
Iron
Copper
PVC
Steel
Hey there, future engineers! Let's put your knowledge to the test. An important industrial application of dielectric heating is:
Melting of steel
Surface hardening
Soldering of metals
Welding of plastics
Hey Avyaan, if you were a wizard in a metal workshop, which type of material would you magically melt in your electric arc furnace?
Plastics and ceramics
Metals like steel, cast iron, and alloys
Glass only
Non-conducting materials
Hey there, future engineers! Imagine you're in a lab with your friends Rahul, Aashi, and Advait. What do you think is the coolest advantage of using induction heating instead of the old-school heating methods?
Lower energy consumption
Faster heating times
More uniform heating
All of the above
In a three-phase induction motor, the rotor current is produced due to
Direct connection with supply
Lenz,s lae
Faradays lay of electrolysis
Fradays law of electromagnetic induction
The speed of the rotating magnetic field in three phase induction motor is called
Asynchronous speed
Synch speed
Synchronous speed
Synchronous current
The rotor used in a single-phase induction motor is generally
Squirrel cage type
Squirrel cage and slip ring type
Slip ring type
None of these
The motor used in lift is
Three phase squirrel cage motor
Three phase slip ring motor
Three phase un wound motor
Three phase silk ring motor
Skewed slots are present in
Rotor
Stator
Shaft
Slip ring
