Boiler Attendant

Boiler Attendant Interview Questions and Answers

Updated 23 Sep 2024

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Q1. What percentage of voltage is plus or minus in 3 phase

Ans.

The percentage of voltage plus or minus in 3 phase is typically 5-10%.

  • Voltage fluctuations in 3 phase systems are common due to various factors such as load imbalances, voltage drops, and harmonics.

  • The percentage of voltage variation can range from 5-10%, depending on the specific system and conditions.

  • Voltage regulators and stabilizers can be used to mitigate voltage fluctuations and ensure stable power supply.

Q2. If the fan runs at low speed, then the power consumption will be less or more.

Ans.

Power consumption will be less if the fan runs at low speed.

  • The power consumption of a fan is directly proportional to its speed.

  • Reducing the speed of the fan will reduce the power consumption.

  • This is because the motor will require less energy to rotate the blades at a slower speed.

Boiler Attendant Interview Questions and Answers for Freshers

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Q3. what are the equipment of transformer

Ans.

The equipment of transformer includes core, winding, insulation, tap changer, cooling system, and bushings.

  • The core is made of laminated steel sheets and provides a path for magnetic flux.

  • The winding is made of copper or aluminum and carries the current.

  • Insulation is used to prevent short circuits and breakdowns.

  • Tap changer is used to change the voltage ratio of the transformer.

  • Cooling system is used to dissipate heat generated during operation.

  • Bushings are used to connect th...read more

Q4. what is the color of the silica gel used

Ans.

The color of silica gel used in boiler is usually blue or orange.

  • Silica gel is used in boilers to absorb moisture and prevent corrosion.

  • Blue silica gel indicates that it is dry and orange indicates that it is saturated with moisture.

  • The color changes as the silica gel absorbs moisture.

  • Silica gel is also used in packaging to keep products dry.

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Q5. What perameter water in boiler

Ans.

The parameter of water in a boiler refers to the quality and quantity of water used in the boiler system.

  • The water level in the boiler must be maintained at the correct level to ensure proper operation and prevent damage.

  • Water quality is important to prevent corrosion and scale buildup in the boiler.

  • Regular testing of water parameters such as pH, alkalinity, and conductivity is necessary to ensure optimal boiler performance.

  • Proper water treatment and monitoring are essential ...read more

Q6. How do you slove problem

Ans.

I solve problems by analyzing the root cause, brainstorming solutions, and implementing the best course of action.

  • Identify the problem and its root cause

  • Brainstorm potential solutions

  • Evaluate each solution and choose the best course of action

  • Implement the chosen solution and monitor its effectiveness

  • Adjust the solution as needed based on feedback

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Q7. what is a boiler

Ans.

A boiler is a closed vessel in which water or other fluid is heated to generate steam or hot water.

  • Boilers are used in various industries such as power generation, heating, and manufacturing.

  • They can be fueled by various sources such as coal, oil, gas, or biomass.

  • Boilers can be classified based on their design, fuel type, and application.

  • They require regular maintenance and safety checks to prevent accidents.

  • Examples of boilers include steam locomotives, power plant boilers, ...read more

Q8. Which type of Boiler

Ans.

There are various types of boilers including 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.

  • Other types include biomass boilers, steam boilers, and condensing boilers.

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Q9. what is sheffy valve setting

Ans.

Sheffy valve setting is the pressure at which the safety valve of a boiler is set to open and release excess steam.

  • Sheffy valve setting is crucial for maintaining safe pressure levels in a boiler.

  • It is typically set slightly above the maximum allowable working pressure of the boiler.

  • The setting is determined based on the design and capacity of the boiler.

  • Regular maintenance and testing of the safety valve is important to ensure it functions properly.

  • Improper sheffy valve sett...read more

Q10. Steam fuel ratio

Ans.

Steam fuel ratio is the amount of steam generated per unit of fuel consumed.

  • It is a measure of boiler efficiency.

  • A lower steam fuel ratio indicates higher efficiency.

  • Factors affecting steam fuel ratio include boiler design, fuel quality, and operating conditions.

  • Typical steam fuel ratios range from 4:1 to 7:1 for industrial boilers.

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