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posted on 19 Nov 2024
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two coils of wire (primary and secondary) wound around a core
Primary coil receives electrical energy and produces a magnetic field
Magnetic field induces a voltage in the secondary coil, transferring energy to the load
Used to step up or step down voltage levels in power
Types of DC motors include brushed DC motors, brushless DC motors, and stepper motors.
Brushed DC motors have a rotating armature connected to a commutator and brushes for switching current.
Brushless DC motors use electronic commutation instead of brushes for switching current.
Stepper motors move in precise increments, making them suitable for applications like 3D printers and CNC machines.
Apparatus for underground cable test includes cable fault locators, time domain reflectometers, and insulation resistance testers.
Cable fault locators are used to pinpoint the exact location of faults in underground cables.
Time domain reflectometers measure the length of the cable and locate any impedance mismatches.
Insulation resistance testers check the insulation integrity of the cable to prevent electrical leakage.
Safety devices used on overhead lines include insulators, lightning arresters, and earthing systems.
Insulators prevent current from flowing to the ground through the supporting structure.
Lightning arresters protect the line from lightning strikes by diverting the surge of electricity to the ground.
Earthing systems provide a path for fault currents to safely dissipate into the ground.
Other safety devices may include bir...
posted on 3 Aug 2024
I applied via Recruitment Consulltant and was interviewed in Feb 2024. There were 3 interview rounds.
Easy to moderate questions are given on general aptitude part.
My college life was a mix of academics, extracurricular activities, and making lifelong friendships.
Studied engineering with a focus on mechanical engineering
Participated in various college events and competitions
Was a member of the college robotics club
Made close friends who I still keep in touch with
Yes, I am comfortable working at any shift as per the company's requirements.
I am flexible and adaptable to different shift schedules.
I understand the importance of teamwork and meeting project deadlines, which may require working different shifts.
I am willing to adjust my personal schedule to accommodate the needs of the company.
I have previous experience working in shifts and have successfully managed my time and res...
My favorite subject is Mechanical Engineering because I enjoy learning about how machines work and designing new technologies.
I enjoy studying topics like thermodynamics, fluid mechanics, and materials science.
I like working on projects that involve designing and building machines or systems.
I find the principles of mechanical engineering fascinating and enjoy applying them to real-world problems.
Micrometre is a precision measuring instrument used to measure small distances accurately.
Micrometre consists of a stationary anvil and a movable spindle.
The object to be measured is placed between the anvil and spindle, and the spindle is turned to make contact with the object.
The measurement is read from the scale on the sleeve and thimble of the micrometre.
Micrometres are commonly used in engineering and manufacturi...
Degree of freedom refers to the number of independent variables or parameters that can vary in a system.
Degree of freedom is the number of variables that can be changed independently without affecting the overall system.
In mechanics, a rigid body in a plane has 3 degrees of freedom - two translations and one rotation.
In thermodynamics, a simple compressible substance has 2 degrees of freedom - temperature and pressure.
...
Forging and rolling are two common metalworking processes used to shape metal into desired forms.
Forging involves shaping metal by applying compressive forces, typically using a hammer or press.
Types of forging include open-die forging, closed-die forging, and impression-die forging.
Rolling involves passing metal between rollers to reduce thickness or change shape.
Types of rolling include hot rolling, cold rolling, and
Manufacturing process involves converting raw materials into finished products through various steps and techniques.
Manufacturing process starts with the design of the product
Raw materials are sourced and inspected for quality
Materials are processed through various methods like casting, molding, machining, etc.
Quality control checks are performed at different stages
Finished products are packaged and distributed to cust
posted on 11 Jul 2024
Two-stroke engines have power strokes every revolution, while four-stroke engines have power strokes every other revolution.
Two-stroke engines have a simpler design with fewer moving parts.
Four-stroke engines are more fuel efficient and produce less pollution.
Two-stroke engines are commonly used in small power tools and motorcycles.
Four-stroke engines are typically found in cars, trucks, and larger machinery.
posted on 10 Sep 2024
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
All Machines information in Aptitude test
All employees are group discussion
posted on 17 Oct 2023
I applied via Campus Placement and was interviewed in Sep 2023. There were 2 interview rounds.
A thermal plant works by converting heat energy into electrical energy through the use of steam turbines.
Fuel (such as coal, natural gas, or nuclear fuel) is burned to produce heat
The heat is used to boil water and produce steam
The steam turns a turbine connected to a generator, producing electricity
The electricity is then sent to the grid for distribution
Cooling systems are used to condense the steam back into water f
I was interviewed in Sep 2022.
I applied via Company Website and was interviewed before Feb 2023. There were 2 interview rounds.
Quality is the measure of excellence or superiority of a product or service.
Quality is meeting or exceeding customer expectations.
It involves consistency, reliability, and durability of a product or service.
Quality is achieved through adherence to standards and continuous improvement.
Examples include high precision in manufacturing, low defect rates, and excellent customer service.
I was interviewed in Jun 2022.
Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy.
It studies the behavior of systems in response to changes in temperature, pressure, and volume.
It is concerned with the conversion of heat energy into other forms of energy and vice versa.
It has three laws that govern the behavior of thermodynamic systems.
Examples include the study of engines, refrigeration,...
Thermodynamic rules govern the behavior of energy and its transformation in a system.
The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.
The second law of thermodynamics states that the total entropy of a closed system always increases over time.
The third law of thermodynamics states that the entropy of a perfect crystal at absolute zero is zero.
Thermodynamic...
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