Navayuga Engineering Company Senior Engineer Interview Questions and Answers for Experienced

Quality lab and site test of concrete involves testing the strength, durability, and consistency of concrete samples.

• Quality lab tests include compressive strength test, slump test, air content test, and temperature test.

• Site tests involve sampling concrete from the construction site, conducting field tests like slump test and air content test, and monitoring curing conditions.

• Quality engineers ensure that concrete mee...read more

Types of compressors include reciprocating, rotary, centrifugal, and axial compressors.

• Reciprocating compressors use pistons to compress air or gas.

• Rotary compressors use rotating mechanisms such as screws or vanes.

• Centrifugal compressors use a rotating impeller to create centrifugal force.

• Axial compressors use rotating blades to compress air in a straight line.

• Examples include reciprocating air compressors, rotary scr...read more

The procedure to install centrifugal axial compressors involves proper planning, alignment, assembly, and testing.

• Ensure proper foundation is prepared to support the compressor

• Align the compressor with the piping system for proper flow

• Assemble the compressor components according to manufacturer's instructions

• Test the compressor for performance and efficiency before final installation

Types of pumps include centrifugal, positive displacement, and axial flow pumps.

• Centrifugal pumps: use centrifugal force to move fluid through the pump

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge port

• Axial flow pumps: move fluid parallel to the pump shaft

A lifting plan procedure is a detailed plan outlining the steps and precautions to be taken when lifting heavy objects.

• Identify the weight and dimensions of the object to be lifted

• Determine the appropriate lifting equipment needed

• Assess the location and environment for any obstacles or hazards

• Assign roles and responsibilities to team members involved in the lift

• Communicate clearly and follow the plan step by step

• Conduc...read more

Pumps capacity refers to the maximum flow rate a pump can handle.

• Pumps capacity is typically measured in gallons per minute (GPM) or liters per minute (LPM).

• It is important to consider the required flow rate when selecting a pump for a specific application.

• Factors such as pump size, motor power, and system pressure affect the capacity of a pump.

• For example, a centrifugal pump may have a capacity of 500 GPM, while a dia

Methods statement for maintaining rotating and static equipment in mechanical engineering.

• Regular inspection and maintenance schedules for both rotating and static equipment

• Use of proper lubrication for rotating equipment to prevent wear and tear

• Checking alignment and balance of rotating equipment to ensure smooth operation

• Testing and calibrating static equipment for accuracy and efficiency

• Following manufacturer's guid...read more

Orifice std refers to standard orifice sizes used in engineering. Types of taps include flange taps, corner taps, and D and D/2 taps.

• Orifice std refers to standard sizes of orifices used in flow measurement

• Types of taps include flange taps, corner taps, and D and D/2 taps

• Flange taps are used for large pipes, corner taps for small pipes, and D and D/2 taps for general applications

Pressure gauge operating range refers to the minimum and maximum pressure values that the gauge can accurately measure.

• Pressure gauge operating range is typically specified by the manufacturer.

• It is important to ensure that the pressure being measured falls within the gauge's operating range to ensure accurate readings.

• For example, a pressure gauge with an operating range of 0-100 psi should not be used to measure pres

Straight length requirements for orifice flow element ensure accurate measurement by allowing flow to stabilize before reaching the element.

• Straight length requirements typically range from 10 to 44 pipe diameters upstream and 5 to 22 pipe diameters downstream of the orifice.

• These requirements help prevent flow disturbances and ensure accurate measurement of flow rate.

• For example, if the pipe diameter is 4 inches, the ...read more