Vizag Steel Technician Interview Questions and Answers

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Q1. What is unit of resistance?
Ans. 
The unit of resistance is ohm (Ω).
• Resistance is the opposition to the flow of electric current.

• Ohm is named after Georg Simon Ohm, a German physicist.

• The symbol for ohm is the Greek letter omega (Ω).
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Q2. What is unit of length
Ans. 
The unit of length is a measurement used to determine the distance between two points.
• Common units of length include meters, feet, and inches.

• Length can also be measured in kilometers, miles, or centimeters.

• The unit of length is important in fields such as construction, engineering, and physics.
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Q3. Formula of resistance
Ans. 
The formula for resistance is R = V/I, where R is resistance, V is voltage, and I is current.
• Resistance is the measure of how much a material opposes the flow of electric current.

• The unit of resistance is ohm (Ω).

• Resistance can be calculated using the formula R = V/I.

• For example, if the voltage is 12 volts and the current is 2 amps, the resistance would be 6 ohms.
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Q4. What is formula of speed ?
Ans. 
The formula for speed is distance divided by time.
• Speed = Distance / Time

• Units of speed can be meters per second, miles per hour, or kilometers per hour.

• Speed can be calculated for any type of motion, including walking, running, or driving.

• Speed can also be used to calculate the velocity of an object, which takes into account its direction of motion.
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Q5. What is unit of speed?
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The unit of speed is meters per second (m/s) or kilometers per hour (km/h).
• Speed is the measure of how fast an object is moving.

• The SI unit of speed is meters per second (m/s).

• Another commonly used unit of speed is kilometers per hour (km/h).

• Other units of speed include miles per hour (mph) and feet per second (ft/s).
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Q1. What is the unit of resistance?
Ans. 
The unit of resistance is ohm.
• The unit of resistance is measured in ohms (symbol: Ω).

• Resistance is a measure of how much a material or component opposes the flow of electric current.

• For example, a standard resistor may have a resistance of 100 ohms.
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Q2. How is 1 horsepower (hp) defined in relation to kilowatt-hours (kWh)?
Ans. 
1 horsepower is equivalent to 0.7457 kilowatt-hours (kWh).
• 1 horsepower is equal to 0.7457 kilowatts.

• To convert horsepower to kilowatt-hours, you need to multiply by 0.7457.

• For example, if a machine has a power rating of 100 horsepower, it would be equivalent to 74.57 kilowatt-hours.
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Q3. Star connection drawing
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Q4. Dol stature drawing
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Q1. Plant overview and process
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Q2. Rankine cycle process and efficiency
Ans. 
Rankine cycle is a thermodynamic cycle used in power plants to generate electricity.
• Rankine cycle is a closed-loop cycle that uses steam to generate power.

• The cycle consists of four processes: heating, vaporization, expansion, and condensation.

• The efficiency of the Rankine cycle can be improved by increasing the temperature and pressure of the steam.

• The Rankine cycle is commonly used in power plants to generate electri...read more
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Q1. WHAT IS THE UNIT OF ELECTRIC
Ans. 
The unit of electric charge is the coulomb (C).
• The unit of electric charge is a fundamental quantity in physics.

• It is denoted by the symbol 'Q'.

• One coulomb is equal to the charge of approximately 6.242 × 10^18 electrons.

• Electric charge is measured using an instrument called an electrometer.
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Q2. The unit of electric ampere
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The unit of electric ampere is a measure of electric current.
• The ampere is defined as one coulomb of charge passing through a conductor per second.

• It is named after the French physicist André-Marie Ampère.

• The symbol for ampere is A.

• Common examples of ampere ratings include 10A for household electrical outlets and 1A for smartphone chargers.
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Q3. The unit of electric ampere
Ans. 
The unit of electric ampere is a measure of electric current.
• The ampere is defined as one coulomb of charge passing through a conductor per second.

• It is named after the French physicist André-Marie Ampère.

• The symbol for ampere is A.

• Common examples of ampere ratings include 10A for household electrical outlets and 1A for smartphone chargers.
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Q4. The unit of electric ampere
Ans. 
The unit of electric ampere is a measure of electric current.
• The ampere is defined as one coulomb of charge passing through a conductor per second.

• It is named after the French physicist André-Marie Ampère.

• The symbol for ampere is A.

• Common examples of ampere ratings include 10A for household electrical outlets and 1A for smartphone chargers.
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Q5. The unit of electric ampere
Ans. 
The unit of electric ampere is a measure of electric current.
• The ampere is defined as one coulomb of charge passing through a conductor per second.

• It is named after the French mathematician and physicist André-Marie Ampère.

• The symbol for ampere is A.

• Electric current is measured using an ammeter.

• Examples of currents measured in amperes include household appliances, electronic devices, and power lines.
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Q1. What is the unit of magnet flux
Ans. 
The unit of magnetic flux is the Weber (Wb).
• The unit of magnetic flux is a measure of the total magnetic field passing through a given area.

• It is represented by the symbol Wb.

• One Weber is equal to one Tesla multiplied by one square meter.

• The magnetic flux can be calculated by multiplying the magnetic field strength by the area it passes through.
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Q1. MELTING FURNACE
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Q2. MACHINE OPERATOR
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Q3. ABOUT SAFETY and precautions
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Q4. TOOLS and equipment
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Q1. What is the inner diameter of ball bearing 1212
Ans. 
The inner diameter of ball bearing 1212 is 12 mm.
• The inner diameter of ball bearing 1212 is a measurement of the distance across the center of the bearing's inner ring.

• It is typically expressed in millimeters (mm).

• In the case of ball bearing 1212, the inner diameter is 12 mm.
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Q2. Which bearing uses in I'd fan?
Ans. 
The bearing used in an ID fan is typically a ball bearing.
• ID fans in industrial applications often use ball bearings for their high load capacity and durability.

• Ball bearings are designed to handle radial and axial loads, making them suitable for the rotating shaft of an ID fan.

• Other types of bearings, such as roller bearings or sleeve bearings, may also be used depending on the specific requirements of the ID fan.
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Q3. How to measure clearance of bearing in dia?
Ans. 
The clearance of a bearing in diameter can be measured using a micrometer or a dial gauge.
• Use a micrometer or a dial gauge to measure the diameter of the bearing.

• Measure the diameter at multiple points around the bearing to ensure accuracy.

• Subtract the measured diameter from the specified or nominal diameter to calculate the clearance.

• Clearance can be positive (when the measured diameter is smaller than the specified d...read more
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Q1. All Electrical Motot MCC
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Q2. All panel MCC PCC
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