Which of the following is true?
In a kitchen, aluminium vessels are used because aluminium is a good conductor of heat.
The correct answer is option 4: "In a kitchen, aluminium vessels are used because aluminium is a good conductor of heat."
Let's analyze each option:
- Option 1: This statement is false. Insulators resist the flow of heat, while conductors allow heat to pass through easily. They have opposite properties regarding heat transfer.
- Option 2: This statement is false. Wood is an insulator; it resists the flow of heat. This is why wooden handles are often used on cooking utensils.
- Option 3: This statement is false. Plastic, like wood, is an insulator and a poor conductor of heat.
- Option 4: This statement is true. Aluminium is a good conductor of heat. This property makes it ideal for cookware because it allows for efficient and even heating of food. The heat is quickly transferred from the heat source (stovetop or oven) to the food, leading to faster cooking times.
Therefore, the use of aluminium vessels in kitchens directly relates to its excellent heat conductivity.
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Match the columns:
Engineering Applications Type of Engineering Drawings
A) Plan, front elevation of homes to be built, foundation drawings
P) Mechanical Engineering Drawings
B) Circuit diagrams and Electrical installation drawings
Q) Electronics Engineering drawings
C) PCB tracks drawings
R) Electrical Engineering drawings
D) Riveted joints and Welded joints
S) Civil Engineering drawingsWhich of the following statements is/are true about Functional Dimensions (F) in engineering drawing?
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Important Questions from Miscellaneous - Physics
The force which makes a vehicle to stop when brake is applied is called __________.
According to the ISO-A size series, what is the designation of a trimmed sheet with dimensions 297 mm × 420 mm?
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