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Different types of heat transfer include conduction, convection, and radiation, each governed by specific equations.
Conduction: Heat transfer through a material without any movement of the material itself. Governed by Fourier's Law of Heat Conduction.
Convection: Heat transfer through a fluid (liquid or gas) due to the movement of the fluid. Governed by Newton's Law of Cooling.
Radiation: Heat transfer through electromag...
Different types of boilers include fire tube boilers, water tube boilers, and electric boilers.
Fire tube boilers have hot gases flowing through tubes that are surrounded by water
Water tube boilers have water flowing through tubes that are heated by hot gases
Electric boilers use electricity to generate heat instead of burning fuel
Types of heat transfer include conduction, convection, and radiation.
Conduction: Heat transfer through direct contact between particles, such as a metal spoon heating up in a hot drink.
Convection: Heat transfer through the movement of fluids, such as boiling water in a pot.
Radiation: Heat transfer through electromagnetic waves, such as the sun warming the Earth.
Heat transfer in a tea cup involves conduction from the hot liquid to the cup, convection as the liquid circulates, and radiation from the cup to the surroundings.
Conduction: Heat is transferred from the hot tea to the cup through direct contact.
Convection: As the tea circulates in the cup, heat is distributed throughout.
Radiation: The cup emits heat to the surroundings, cooling down the tea.
Material of the cup affects...
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The working principles, requirements, and efficiency formulas of machines vary depending on their type and purpose.
Working principles: Machines can operate based on mechanical, electrical, hydraulic, or pneumatic principles.
Requirements: Machines may require power sources, specific operating conditions, maintenance, and safety measures.
Efficiency formulas: Different machines have specific efficiency formulas based on t...
posted on 9 Sep 2020
I applied via Campus Placement and was interviewed before Sep 2019. There were 4 interview rounds.
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
A capacitor is an electronic component that stores and releases electrical energy in a circuit.
Capacitors are used to filter out noise in electronic circuits.
They can also be used to store energy in flash cameras.
Capacitors are measured in Farads (F).
PCB stands for Printed Circuit Board, it is a board made of non-conductive material with conductive tracks for electronic components.
PCB is used to mechanically support and electrically connect electronic components using conductive pathways.
Components are soldered onto the PCB to create a functional electronic circuit.
PCB assembly involves placing components on the board, soldering them in place, and testing the circu...
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
There were 120 question
Test is about 1 hr and it contains 40 mcqs(both aptitude and coding)
Level order traversal of binary tree visits nodes level by level, from left to right.
Use a queue to keep track of nodes at each level
Start by pushing the root node into the queue
While the queue is not empty, dequeue a node, visit it, and enqueue its children
I applied via Campus Placement and was interviewed in Jan 2024. There was 1 interview round.
To change the odd bits in a binary number, flip the bits at odd positions and convert the new binary number to decimal form.
Start by converting the given number into binary form.
Identify the odd bits in the binary number (counting from right to left, starting at 1).
Flip the odd bits by changing 1s to 0s and 0s to 1s.
Convert the new binary number into decimal form.
For example, if the given number is 13 (binary 1101), th...
Primary memory is volatile and directly accessible by the CPU, while secondary memory is non-volatile and used for long-term storage.
Primary memory is faster but has limited capacity, while secondary memory is slower but has larger capacity.
Examples of primary memory include RAM and cache memory, while examples of secondary memory include hard drives and SSDs.
Primary memory stores data that is currently being used by t...
Find the second largest integer in an array of strings
Convert the strings in the array to integers
Sort the integers in descending order
Return the second element in the sorted array as the second largest integer
Reverse a string by iterating through the characters and swapping them
Create a function that takes a string as input
Initialize two pointers, one at the beginning and one at the end of the string
Swap the characters at the two pointers and move them towards the center until they meet
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