Nabard Consultancy Services Site Engineer Mechanical Interview Questions and Answers

VT and Centrifugal pumps are used to move fluids from one place to another.

• VT pumps are positive displacement pumps that use a reciprocating motion to move fluids.

• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• VT pumps are commonly used for low flow and high-pressure applications.

• Centrifugal pumps are used for high flow and low-pressure applications.

• VT pumps are more efficient than centrifugal pump...read more

Valves are mechanical devices used to control the flow of fluids or gases. There are various types of valves.

• Valves are used to regulate, isolate, or control the flow of fluids or gases.

• They can be operated manually or automatically.

• Some common types of valves include ball valves, gate valves, globe valves, and check valves.

• Ball valves have a spherical closure unit that allows for quick shut-off.

• Gate valves have a slid...read more