Lohia Group Business Development Interview Questions and Answers

Q1. Transmission system and types of drives
Ans. 
Transmission system is responsible for transmitting power from the engine to the wheels. Types of drives include manual, automatic, and CVT.
• Transmission system transfers power from engine to wheels

• Manual transmission requires driver to shift gears

• Automatic transmission shifts gears automatically

• CVT (Continuously Variable Transmission) uses a belt and pulley system to provide seamless gear changes

• Other types of drives i...read more
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Q1. Gd&t, Surface roughnesss
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Q1. Everything regarding your experience
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Q1. Everything regarding experience
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Q1. Problems you faced in job and your decision making capabilities
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Q1. Regarding your job change decision
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Q1. Different units of pressure
Ans. 
Units of pressure include pascal, bar, atmosphere, and psi.
• Pascal (Pa) is the SI unit of pressure

• Bar is commonly used in meteorology and scuba diving

• Atmosphere (atm) is the average pressure at sea level on Earth

• Pounds per square inch (psi) is used in engineering and automotive industries
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Q2. Failure stress for spring
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Failure stress for spring is the maximum stress a spring can withstand before permanent deformation or breakage.
• Failure stress is determined by the material properties of the spring.

• Factors affecting failure stress include material type, manufacturing process, and design considerations.

• Examples of failure stress for springs include tensile strength, yield strength, and ultimate strength.
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Q3. Sub-type or specific failure stress for springs
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Sub-type or specific failure stress for springs can include yield stress, ultimate tensile stress, fatigue stress, etc.
• Different types of springs may have different failure stresses

• Yield stress is the point at which a material begins to deform plastically

• Ultimate tensile stress is the maximum stress a material can withstand before failure

• Fatigue stress is the stress level at which a material fails after repeated loadin
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Q4. Synchronous speed defination and formula
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Synchronous speed is the speed at which the magnetic field rotates in a synchronous motor.
• Synchronous speed is determined by the frequency of the power supply and the number of poles in the motor.

• Formula for synchronous speed: Ns = 120f / P, where Ns is synchronous speed in RPM, f is frequency in Hz, and P is number of poles.

• For example, a 4-pole motor connected to a 60 Hz power supply would have a synchronous speed of
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Q5. Types of stresses and examples of each
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Types of stresses include tensile, compressive, shear, bending, and torsional.
• Tensile stress: pulling force that stretches material apart (e.g. stretching a rubber band)

• Compressive stress: pushing force that squeezes material together (e.g. pressing on a spring)

• Shear stress: force that causes layers of material to slide past each other (e.g. cutting paper with scissors)

• Bending stress: combination of tensile and compres...read more
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Q6. Difference between stress and pressure
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Stress is internal resistance to deformation, while pressure is force applied over an area.
• Stress is a measure of the internal resistance of a material to deformation under an applied force.

• Pressure is the force applied perpendicular to the surface of an object per unit area.

• Stress is a tensor quantity, while pressure is a scalar quantity.

• Examples: A rubber band under tension experiences stress, while a balloon filled
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Q1. Tell me about your self
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Q2. Compressor working
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Q1. Wheatstone bridge
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Q1. About current experience and special purpose machine design
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