Astec LifeSciences Mechanical Maintenance Officer Interview Questions and Answers

Pumps are devices used to move fluids (liquids or gases) by mechanical action.

• Pumps come in various types such as centrifugal pumps, reciprocating pumps, and rotary pumps.

• They work by creating a flow of fluid through the pump which increases the pressure of the fluid.

• Pumps are commonly used in industries for transferring liquids, such as water pumps in irrigation systems or fuel pumps in vehicles.

There are several types of gears used in the market.

• Spur gears

• Helical gears

• Bevel gears

• Worm gears

• Planetary gears

• Rack and pinion gears

• Internal gears

• Miter gears

• Spiral bevel gears

• Hypoid gears

There are numerous types of materials, including metals, polymers, ceramics, composites, and more.

• Metals: iron, aluminum, copper, etc.

• Polymers: plastics, rubber, etc.

• Ceramics: glass, porcelain, etc.

• Composites: fiberglass, carbon fiber, etc.

• Other: wood, concrete, etc.

There are several types of bolts, including hex bolts, carriage bolts, and lag bolts.

• Hex bolts have a hexagonal head and are commonly used in construction.

• Carriage bolts have a smooth, rounded head and are often used in woodworking.

• Lag bolts have a pointed tip and are used to attach heavy objects to wood or other materials.

• Other types of bolts include eye bolts, U-bolts, and J-bolts.