Kejriwal Castings Junior Engineer Interview Questions and Answers

Q1. Technical questions
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Q2. Reasoning questions
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Q3. Science questions
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Q4. English question
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Q5. Mathematics question
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Q1. Cricket knowledge?
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Q2. Current affairs
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Q1. My trade related
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Q2. What is Ohm's law?
Ans. 
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
• Ohm's law is represented by the formula V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in calculating the current flowing through a circuit when the voltage and resistance are known.

• It can also be used to determi...read more
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Diploma last semester assignment

Q1. Building construction
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Q2. Road construction
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Q1. Question regarding motor, generator, Alternator and transformer.
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Q2. What are causes of hot bearings?
Ans. 
Causes of hot bearings include lack of lubrication, overloading, misalignment, and contamination.
• Lack of lubrication: Insufficient or degraded lubricant can cause increased friction and heat.

• Overloading: Excessive load on the bearing can lead to overheating.

• Misalignment: Improper alignment of the bearing can cause it to operate under stress and generate heat.

• Contamination: Foreign particles or debris in the bearing can
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Q3. What causes are responsible for over-heating of Commutator in a DC motor?
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Over-heating of Commutator in a DC motor can be caused by factors like excessive current, poor ventilation, dirty environment, and worn-out brushes.
• Excessive current flowing through the motor can cause the commutator to overheat.

• Poor ventilation around the motor can lead to inadequate cooling, resulting in overheating.

• A dirty environment can cause dust and debris to accumulate on the commutator, hindering heat dissipat...read more
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Q4. What will happen if a shunt motor is directly connected to the supply line?
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The shunt motor will run at dangerously high speeds and may get damaged.
• The motor will run at its no-load speed, which is much higher than its rated speed.

• This can lead to overheating and mechanical stress on the motor components.

• The motor may get damaged or fail prematurely if directly connected to the supply line.
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Q1. Question related to motor, generator Alternator and transformer
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Q1. Thermodynamics related questions Types of engine,boilers type and rac
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Q2. Types of engine with thier origin country
Ans. 
Various types of engines and their origin countries
• Internal Combustion Engine - Germany

• Steam Engine - United Kingdom

• Jet Engine - United States

• Electric Engine - Various countries

• Rocket Engine - Various countries
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Q1. Introduction about your self
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Q1. Previous work experience required questions
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Q1. Working technical questions
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Q1. Family background and all
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Q1. Tharmal power plant??
Ans. 
A thermal power plant is a facility that generates electricity by converting heat energy into electrical energy.
• Thermal power plants use fossil fuels, nuclear energy, or renewable sources like solar or geothermal energy to generate heat.

• The heat is used to produce steam, which drives a turbine connected to a generator to produce electricity.

• Examples of thermal power plants include coal-fired power plants, gas-fired pow
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Q2. What type of permit is required?
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A building permit is required for construction projects to ensure compliance with building codes and regulations.
• Building permit is required for new construction, renovations, alterations, and additions

• Permit may also be needed for demolition, electrical work, plumbing work, and HVAC installations

• Permit requirements vary by location and type of project

• Examples: building a new house, adding a deck, finishing a basement
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