Helmerich & Payne Associate Engineer Interview Questions and Answers

Q1. AutoCAD 2D Tools : Trim, Fillet, Blocks
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Q2. What is AI/AO and DI/DO (Analog Input/Output and Digital Input/Output)
Ans. 
AI/AO and DI/DO stand for Analog Input/Output and Digital Input/Output, respectively.
• AI/AO refers to signals that are continuous and can have infinite values, like voltage or current.

• DI/DO refers to signals that are discrete and can only have two states, like on/off or high/low.

• Examples of AI/AO devices include temperature sensors and pressure transducers.

• Examples of DI/DO devices include push buttons and relays.
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Q3. What is Ladder Logic?
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Ladder Logic is a programming language used in industrial control systems to create logic circuits for controlling machinery and processes.
• Ladder Logic is based on relay logic and uses graphical symbols to represent logic functions.

• It consists of rungs, which are horizontal lines where input and output devices are connected using logic symbols.

• Ladder Logic is commonly used in Programmable Logic Controllers (PLCs) for a...read more
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Q4. Basic aptitude maths question : Average speed, Permiter of rectangle
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Q5. Electronics calculation of Power (=VI), Ohms Law (dV=dI x R)
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Q6. This is basic but Word documentation is one of the main responsibility they look for. So making Cover pages, good presentable documents experience is plus
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Q1. OOPs concepts , exception and Collection
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Q1. Tell me about yourself.
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Q1. Tell me about yourself
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Relatable questions related to your graduation or other some basics questions from schooling.

Q1. Firstly normal introduction secondly about your graduation third and last 2 or 3 questions for checking your IQ that's it.
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Q2. They ask about normal tools which i had used to in my btech like find the inner dia from vernier caliper or draw iron-carbon diagram
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Q3. What is the use of verniercaliper?
Ans. 
Vernier caliper is a precision measuring tool used to measure dimensions with high accuracy.
• Used to measure the internal and external dimensions of an object

• Consists of a main scale and a sliding vernier scale for more precise measurements

• Commonly used in engineering, machining, and manufacturing industries

• Example: Measuring the diameter of a shaft or the thickness of a sheet metal
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Q4. Draw iron carbon diagram?
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Iron carbon diagram shows the phases of iron and carbon at different temperatures.
• Iron carbon diagram is a graphical representation of the phases of iron and carbon at different temperatures.

• It shows the phases such as austenite, ferrite, cementite, and pearlite.

• The diagram helps in understanding the microstructure of steel and its properties.

• The diagram is used in heat treatment processes to control the properties of
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Q5. Difference between four strokeand 2 stroke engine?
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Four stroke engines have four stages (intake, compression, power, exhaust) per cycle, while two stroke engines have only two stages (compression, power).
• Four stroke engines have separate intake and exhaust strokes, while two stroke engines combine intake and exhaust in one stroke.

• Four stroke engines are more fuel efficient and produce less emissions compared to two stroke engines.

• Examples of four stroke engines include...read more
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