Synergies Castings Grader Operator Interview Questions and Answers

Verbal, quantitative and reasoning

Current relevance topics

Q1. Basic to intermediate about core subject
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Q1. Not qualified for HR round
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The topic for GD was demonetization.

Little average type of ques has been asked.

Q1. 1.Difference between 1st angle &3rd angle projection 2.Stress strain graphs for different materials 3. Material properties etc
Ans. 
1st angle and 3rd angle projection differ in the placement of the object and the observer in relation to the projection plane.
• 1st angle projection places the object in front of the projection plane, while 3rd angle projection places the object behind the projection plane.

• In 1st angle projection, the observer views the object from the opposite side of the projection plane, while in 3rd angle projection, the observer vie...read more
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Q1. Verbal and communication skills Introduction, Educational qualification etc
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Q1. Regarding projects did un college days and core technical queations
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Gd was quite simple you should just keep calm and focus on the given topic.

Q1. They asked about the fav. subject and then asked questions from that subject only
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Q2. And then asked if Iam comfortable in night shifts or not etc
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Q1. Self your introduction
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Q2. Electrical vehicles, what is chassis
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Q3. What is automobile, what is otto ,dual,diesels cycle difference
Ans. 
The question is about the basics of automobile engines and the differences between Otto, Dual, and Diesel cycles.
• Automobile is a vehicle powered by an engine that converts fuel into mechanical energy.

• Otto cycle is a four-stroke combustion cycle used in gasoline engines.

• Dual cycle is a modified version of the Otto cycle that includes a constant volume heat addition process.

• Diesel cycle is a four-stroke combustion cycle ...read more
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Q4. What is coefficient of performance input/output
Ans. 
Coefficient of performance (COP) is the ratio of output heat to input work or energy.
• COP is used to measure the efficiency of a heat pump or refrigeration system.

• It is calculated by dividing the output heat by the input work or energy.

• A higher COP indicates a more efficient system.

• For example, a heat pump with a COP of 3 can produce three units of heat for every unit of energy input.

• COP can also be expressed in terms o...read more
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Q5. How the otto cycle constants volume this process,
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The Otto cycle is a constant volume process used in internal combustion engines.
• The Otto cycle consists of four processes: intake, compression, combustion, and exhaust.

• During the intake process, the fuel-air mixture is drawn into the cylinder.

• During the compression process, the mixture is compressed to a smaller volume, increasing its temperature and pressure.

• During the combustion process, the mixture is ignited, causi...read more
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Q6. What is the Duel cycle principles -both constant volume, and pressure
Ans. 
Dual cycle principles involve both constant volume and pressure processes in an engine cycle.
• Dual cycle is a combination of Otto and Diesel cycles.

• It involves two constant volume and one constant pressure processes.

• The first constant volume process is isentropic compression.

• The constant pressure process is combustion.

• The second constant volume process is isentropic expansion.

• It is used in gas turbine engines and some i
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Q7. Physical quantities length ,mass time
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Q8. Efficiency of carnot T1/T2-T1
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Efficiency of Carnot cycle is given by T1/T2-T1
• Efficiency of Carnot cycle is the maximum possible efficiency of a heat engine

• It depends only on the temperatures of the hot and cold reservoirs

• Efficiency = 1 - (T1/T2)

• T1 is the temperature of the cold reservoir and T2 is the temperature of the hot reservoir
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