Orch Laboratories India Interview Questions and Answers

Hydraulic systems use liquid to transmit power, while pneumatic systems use gas.

• Hydraulic systems use incompressible fluids like oil, while pneumatic systems use compressible gases like air

• Hydraulic systems are typically used in heavy machinery like excavators and hydraulic brakes in cars

• Pneumatic systems are commonly found in tools like pneumatic drills and air brakes in trucks

Types of heat transfer include conduction, convection, and radiation, each with unique characteristics.

• Conduction: Heat transfer through direct contact between particles, such as a metal spoon heating up in a hot drink.

• Convection: Heat transfer through the movement of fluids or gases, like boiling water in a pot.

• Radiation: Heat transfer through electromagnetic waves, such as the warmth felt from the sun.

Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through heating and cooling.

• Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.

• The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and other properties.

• Common types of heat treatment include annealing, tempe...read more

Types of stress include acute stress, episodic acute stress, and chronic stress.

• Acute stress is short-term stress triggered by a specific event or situation.

• Episodic acute stress is when someone experiences frequent episodes of acute stress.

• Chronic stress is long-term stress that persists over an extended period of time.

• Examples: Acute stress from a deadline at work, episodic acute stress from juggling multiple responsibilities, chronic stress from ongoing financial struggles...read more

Machining processes involve removing material from a workpiece to create a desired shape or finish.

• Turning: Rotating the workpiece while a cutting tool removes material.

• Milling: Using a rotating cutter to remove material from the workpiece.

• Drilling: Creating holes in the workpiece using a rotating drill bit.

• Grinding: Using an abrasive wheel to remove material and create a smooth surface.

• Electrical Discharge Machining (EDM): Using electrical discharges to remove material.

• Laser...read more