10+ Interview Questions and Answers

Key technical parameters to consider when purchasing a new machine include capacity, efficiency, reliability, and cost.

• Capacity - Ensure the machine can handle the required workload

• Efficiency - Look for energy-efficient machines to reduce operating costs

• Reliability - Choose a machine with a proven track record for minimal downtime

• Cost - Consider upfront cost as well as long-term maintenance expenses

SOP stands for Standard Operating Procedure, a detailed step-by-step guide on how to perform a specific task. Work instruction is a document that provides specific instructions on how to carry out a particular task.

• SOP is a standardized procedure that outlines the steps to be followed in a particular process.

• Work instruction provides detailed instructions on how to perform a specific task within a process.

• SOPs are often used in industries to ensure consistency and quality in ...read more

Kaizen is a Japanese term for continuous improvement. It involves making small, incremental changes to processes to improve efficiency and quality.

• Involve all employees in identifying areas for improvement

• Implement small changes regularly rather than large overhauls

• Encourage a culture of continuous improvement and learning

• Use tools like PDCA (Plan-Do-Check-Act) cycle for systematic improvement

• Example: Implementing a daily stand-up meeting to address issues and brainstorm solu...read more

Pressure unit is a measurement of force per unit area exerted on a surface.

• Pressure unit measures the amount of force applied to a given area.

• It is commonly used in various fields such as physics, engineering, and meteorology.

• The SI unit for pressure is Pascal (Pa), which is equal to one Newton per square meter (N/m²).

• Other commonly used pressure units include pounds per square inch (psi), atmospheres (atm), and bar.

• For example, tire pressure is often measured in psi, while a...read more

There are 8 types of wastage: overproduction, waiting, transportation, inappropriate processing, excess inventory, unnecessary motion, defects, and underutilized talent.

• Overproduction: producing more than needed

• Waiting: idle time in the process

• Transportation: unnecessary movement of materials

• Inappropriate processing: using the wrong methods or tools

• Excess inventory: storing more than necessary

• Unnecessary motion: unnecessary movement of people

• Defects: errors that require rewor...read more

ASTM A240/A240M is the ASTM number for stainless steel 316.

• ASTM A240/A240M is the standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications.

• Stainless steel 316 is commonly used in various industries due to its corrosion resistance and high temperature strength.

• ASTM A240/A240M covers the chemical composition, mechanical properties, and other requirements for stainless steel 316.

1.4404 is a commonly used grade of stainless steel.

• 1.4404 is also known as 316L stainless steel

• It is a low carbon version of 1.4401 (316) stainless steel

• 1.4404 is often used in marine and chemical processing applications

Cylindricity is a measure of how closely the surface of a cylinder approaches a perfect cylinder.

• Cylindricity is a 3D form tolerance that controls the overall form of a cylinder.

• It ensures that the cylinder is round and straight along its entire length.

• Cylindricity is measured by the difference between the actual surface of the cylinder and the perfect cylinder.

• It is important in applications where cylinders need to fit together precisely, such as in engines or hydraulic syst...read more

Pressure gauges are instruments used to measure the pressure of gases or liquids in a system.

• They typically consist of a dial, a pointer, and a Bourdon tube or diaphragm that responds to changes in pressure.

• They are commonly used in industrial, commercial, and residential settings to monitor and control pressure in various systems.

• Examples include tire pressure gauges, boiler pressure gauges, and blood pressure gauges.

• They can be mechanical, digital, or analog, and may measur...read more

Concentricity refers to the condition where two or more objects share the same center point.

• Concentricity is a geometric property that describes the relationship between multiple objects.

• It means that the objects have a common center point.

• In engineering, concentricity is often used to ensure accurate alignment and positioning of components.

• For example, in a rotating shaft and bearing assembly, the shaft and the inner race of the bearing should be concentric to minimize vibra...read more

WIKA Group is a leading manufacturer of pressure and temperature measurement instruments.

• WIKA offers a wide range of products including pressure gauges, transmitters, switches, and diaphragm seals.

• Their products are used in various industries such as oil and gas, chemical, and food and beverage.

• WIKA has a global presence with manufacturing facilities and sales offices in over 100 countries.

• Some of their popular products include the WIKA CPH7000 portable process calibrator and...read more