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Technical questions mcqs
The rating of electrical components is selected based on factors like voltage, current, power, and temperature.
Consider the voltage and current requirements of the circuit
Calculate the power rating based on the voltage and current
Take into account the temperature conditions the component will operate in
Refer to datasheets and specifications provided by manufacturers
Ensure the selected rating meets safety standards and
Sensors are devices that detect changes in the environment and convert them into electrical signals. They have various applications in industries, automotive, healthcare, etc.
Types of sensors: temperature sensors, pressure sensors, proximity sensors, motion sensors, light sensors, etc.
Applications: temperature sensors in HVAC systems, pressure sensors in automotive industry, proximity sensors in smartphones for touch d...
I applied via Campus Placement
GS reasoning math science
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posted on 12 Mar 2019
I applied via Recruitment Consultant and was interviewed before Mar 2018. There were 4 interview rounds.
posted on 19 Mar 2024
DC motor converts electrical energy into mechanical energy through the interaction of magnetic fields.
DC motor operates based on the principle of Lorentz force
It consists of a stator (field) and a rotor (armature)
When current flows through the armature winding, a magnetic field is created which interacts with the stator field to produce rotational motion
Speed of DC motor can be controlled by varying the voltage or curr...
I applied via Internshala and was interviewed in Dec 2021. There was 1 interview round.
posted on 31 Mar 2022
I applied via AmbitionBox and was interviewed in Mar 2022. There were 2 interview rounds.
The difference between == and === is that == compares the values of two variables, while === compares both the values and the data types.
The == operator performs type coercion, meaning it converts the operands to a common type before comparison.
The === operator does not perform type coercion and requires both the values and the data types to be the same for a true comparison.
For example, 1 == '1' returns true because t...
Engineering drawing is a visual representation of an object or system, typically created using specialized software or by hand.
Engineering drawings communicate design intent and specifications to manufacturers and other stakeholders.
They include details such as dimensions, materials, tolerances, and assembly instructions.
Common types of engineering drawings include orthographic projections, isometric views, and explode...
MCB is a miniature circuit breaker used for low currents, while MCCB is a molded case circuit breaker used for higher currents.
MCB is designed for low currents, typically up to 100A, while MCCB is designed for higher currents, typically up to 2500A.
MCB is a compact device with fixed trip settings, while MCCB is larger and has adjustable trip settings.
MCB is commonly used in residential and commercial applications, whil...
A relay is an electrically operated switch that uses an electromagnet to mechanically operate the switch contacts.
Relays are used to control high power circuits with a low power signal.
When the coil of the relay is energized, it creates a magnetic field that causes the switch contacts to close or open.
Relays are commonly used in automotive applications, industrial controls, and home appliances.
There are different types...
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