Hammelmann Interview Questions and Answers

There are several types of pumps used in engineering, including centrifugal, reciprocating, rotary, and diaphragm pumps.

• Centrifugal pumps

• Reciprocating pumps

• Rotary pumps

• Diaphragm pumps

Gear boxes are mechanical devices used to increase or decrease the speed or torque of a motor. They are commonly used in vehicles, industrial machinery, and robotics.

• Types of gear boxes include spur, helical, bevel, worm, and planetary.

• Spur gear boxes are simple and efficient, commonly used in applications like washing machines.

• Helical gear boxes provide smoother operation and are used in heavy machinery.

• Bevel gear box...read more

Hydro jetting is a method of cleaning and unclogging pipes using high-pressure water streams.

• Hydro jetting involves using a specialized nozzle attached to a high-pressure hose to blast water into pipes to remove blockages and debris.

• It is commonly used in plumbing and sewer systems to clear out grease, roots, scale, and other buildup.

• Hydro jetting is more effective and environmentally friendly compared to traditional m

There are two main types of hydro jetting - high pressure and ultra high pressure. The work process involves using water jets to clean surfaces, pipes, or tanks. Safety parameters include wearing appropriate protective gear and following proper procedures.

• Types of hydro jetting: high pressure and ultra high pressure

• Work process involves using water jets to clean surfaces, pipes, or tanks

• Safety parameters include wearin...read more