Astral Pipe Junior Engineer Interview Questions and Answers

Q1. HOW TO MEASURE TEMPERATURE OF SURFACE
Ans. 
Temperature of a surface can be measured using various methods such as contact, non-contact, and infrared thermometers.
• Contact thermometers measure temperature by direct contact with the surface, such as a thermocouple or RTD sensor.

• Non-contact thermometers measure temperature without touching the surface, such as a pyrometer or thermal imaging camera.

• Infrared thermometers measure temperature by detecting the infrared ...read more
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Q2. HOW DOES A MOTOR WORK
Ans. 
A motor converts electrical energy into mechanical energy to produce motion.
• A motor has a rotor and a stator, which interact to produce motion.

• The rotor is the rotating part of the motor, while the stator is the stationary part.

• The interaction between the magnetic fields of the rotor and stator produces torque, which causes the rotor to rotate.

• Different types of motors include DC motors, AC motors, and stepper motors.

• D...read more
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11 to 16 April