DET Supervisor

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DET Supervisor Interview Questions and Answers

Updated 20 Jun 2024

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Q1. Why cylinder is cylindical

Ans.

A cylinder is cylindrical because it has a curved surface and two parallel circular bases.

  • A cylinder is a three-dimensional shape with a curved surface and two parallel circular bases.

  • The curved surface of a cylinder is formed by connecting the points on the circumference of the bases.

  • The two bases of a cylinder are congruent and parallel to each other.

  • Examples of cylinders include a soda can, a pencil, and a roll of paper towels.

Q2. Why do you use oil pain

Ans.

I use oil paint because of its versatility and ability to create rich, vibrant colors.

  • Oil paint has a slow drying time, allowing for blending and layering of colors

  • It can be thinned with solvents or thickened with mediums for different effects

  • Oil paint also has a long lifespan and can resist cracking over time

  • Examples of famous oil painters include Vincent van Gogh, Rembrandt, and Leonardo da Vinci

Q3. What do u mean by induction motor

Ans.

An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.

  • Induction motors are commonly used in various applications such as industrial machinery, pumps, fans, and compressors.

  • They do not require brushes to transfer power to the rotor, making them more reliable and low maintenance.

  • The speed of an induction motor is determined by the frequency of the AC power supply and the number of poles in the motor.

  • They are efficient and cos...read more

Q4. Oil pain use to lubrication for engine

Ans.

Oil paint is used as a lubricant for engines.

  • Oil paint helps reduce friction between engine parts

  • It also helps cool the engine by absorbing heat

  • Regular oil changes are necessary to maintain engine health

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Q5. What is four stroke engine

Ans.

A four-stroke engine is an internal combustion engine that completes four separate strokes in one operating cycle.

  • A four-stroke engine consists of four stages: intake, compression, combustion, and exhaust.

  • During the intake stroke, the piston moves downward, drawing in air and fuel mixture.

  • In the compression stroke, the piston moves upward, compressing the air and fuel mixture.

  • The combustion stroke is where the spark plug ignites the compressed mixture, causing an explosion.

  • Fi...read more

Q6. What is two stroke engine

Ans.

A two-stroke engine is a type of internal combustion engine that completes a power cycle in two strokes of the piston.

  • It is commonly used in small engines such as motorcycles, chainsaws, and outboard motors.

  • It combines the intake, compression, combustion, and exhaust processes into two strokes of the piston.

  • It requires a mixture of fuel and oil for lubrication and cooling.

  • It is less fuel-efficient and produces more pollution compared to a four-stroke engine.

  • Examples of two-st...read more

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Q7. How can solve production problems

Ans.

To solve production problems, I analyze the root cause, brainstorm solutions, and implement the best one.

  • Identify the root cause of the problem

  • Brainstorm potential solutions with the team

  • Evaluate the pros and cons of each solution

  • Implement the best solution and monitor its effectiveness

  • Continuously improve processes to prevent future problems

Q8. What is fifo and lifo

Ans.

FIFO and LIFO are inventory management methods. FIFO stands for First-In, First-Out and LIFO stands for Last-In, First-Out.

  • FIFO assumes that the first items added to inventory are the first sold or used.

  • LIFO assumes that the last items added to inventory are the first sold or used.

  • FIFO is commonly used in industries with perishable goods, such as food and beverage.

  • LIFO is commonly used in industries with non-perishable goods, such as electronics and hardware.

  • FIFO results in l...read more

Q9. Name the protection of transformer

Ans.

The protection of a transformer involves measures to prevent damage from overcurrent, overvoltage, overheating, and short circuits.

  • Use fuses or circuit breakers to protect against overcurrent

  • Install surge arresters to protect against overvoltage

  • Use temperature sensors and cooling systems to prevent overheating

  • Implement differential relays to detect and isolate short circuits

  • Regular maintenance and testing to ensure proper functioning

Q10. What is Ohms law

Ans.

Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.

  • Ohm's law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

  • It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

  • For example, if a circuit has a voltage of 12 volts and a resistance of 4 ohms, the current flow...read more

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