Tagros Chemicals Mechanical Engineer Interview Questions and Answers

Calculating cooling tower TR, boiler efficiency, and types and capacity of chilling plant compressors.

• Cooling tower TR can be calculated using the formula: TR = (500 x GPM x Delta T)/12000

• Boiler efficiency can be calculated using the formula: Efficiency = (Output/Input) x 100

• Types of compressors include reciprocating, rotary screw, centrifugal, and scroll.

• Capacity of compressors is measured in tons of refrigeration (TR...read more

Answering questions related to Maintenance Engineer interview.

• Types of boilers include fire tube, water tube, and electric boilers.

• Chilling plant capacity can be calculated by multiplying the flow rate by the temperature difference.

• Colour coding in industry is used to identify pipes, wires, and equipment based on their function or contents.

• Schedule maintenance is planned maintenance that is performed at regular interva...read more

API STD 610 is a standard for centrifugal pumps for petroleum, petrochemical, and natural gas industries.

• API STD 610 specifies requirements for centrifugal pumps used in the petroleum, petrochemical, and natural gas industries.

• It covers design, materials, testing, and performance of centrifugal pumps.

• The standard also includes guidelines for pump selection, installation, operation, and maintenance.

• API STD 610 helps ens...read more

API 510 is used for pressure vessel inspection and maintenance in accordance with industry standards.

• API 510 is a widely recognized standard for the inspection, repair, alteration, and rerating of pressure vessels.

• It ensures that pressure vessels are maintained in a safe and reliable condition.

• By following API 510 guidelines, maintenance engineers can ensure compliance with industry standards and regulations.

• Using API ...read more

A filler gauge is a tool used to measure the gap between two objects.

• Filler gauges are commonly used in maintenance to check clearances between parts

• They are typically made of a set of thin metal blades of varying thickness

• The user selects the appropriate blade that fits snugly in the gap being measured

• Filler gauges are useful for ensuring proper tolerances in machinery and equipment

The least count diameter refers to the smallest increment that can be measured on a diameter scale.

• Least count diameter is the smallest division that can be measured on a diameter scale.

• It is typically determined by the precision of the measuring instrument being used.

• For example, if a micrometer has a least count of 0.01 mm, it means that it can measure diameter increments in 0.01 mm intervals.

I am responsible for maintaining and repairing various parts in the machinery and equipment.

• I am familiar with the different types of bearings used in machinery such as ball bearings, roller bearings, and sleeve bearings.

• I have experience in troubleshooting and replacing faulty bearings to ensure smooth operation of the equipment.

• I work closely with the procurement team to ensure we have an adequate supply of bearings ...read more

LMTD stands for Logarithmic Mean Temperature Difference and is used to calculate the temperature difference in a heat exchanger.

• LMTD is a method used to determine the temperature difference between two fluids in a heat exchanger

• It takes into account the temperature difference at different points along the length of the heat exchanger

• LMTD is used to calculate the heat transfer rate in a heat exchanger

• It is calculated us...read more

The grade of materials used in storage tanks depends on the type of fluid being stored and the tank's operating conditions.

• The material should be compatible with the stored fluid to prevent corrosion or contamination.

• Common materials used for storage tanks include carbon steel, stainless steel, and aluminum.

• The thickness of the material should be sufficient to withstand the pressure and temperature of the stored fluid.

• ...read more

Statutory compliance refers to the legal requirements that organizations must adhere to in order to operate within the law.

• It includes following laws and regulations related to labor, environment, health and safety, taxation, and more

• Non-compliance can result in penalties, fines, legal action, and damage to reputation

• Examples of statutory compliance include filing tax returns, obtaining necessary licenses and permits, ...read more

Corrosion allowance is the additional thickness of material added to the original thickness of a metal to prevent corrosion.

• It is a safety margin added to the thickness of metal to prevent corrosion

• It is usually expressed in millimeters or inches

• The amount of corrosion allowance depends on the type of metal, the environment it is exposed to, and the expected lifespan of the equipment

• For example, a pipeline carrying cor...read more

Life of equipment refers to the duration of time that the equipment can function effectively and efficiently.

• The life of equipment is determined by various factors such as usage, maintenance, and environmental conditions.

• Regular maintenance and timely repairs can extend the life of equipment.

• Equipment manufacturers provide an estimated lifespan for their products, but this can vary depending on usage and maintenance.

• Fa...read more

I have a quick and analytical mind that allows me to make effective decisions in high-pressure situations.

• I am able to quickly assess a situation and determine the best course of action

• I remain calm and focused in high-pressure situations

• I am able to think creatively to find solutions to unexpected problems

• I have experience in emergency response and crisis management

• For example, when a machine broke down unexpectedly, ...read more

I have a strong awareness of safety work norms and prioritize safety in all aspects of my work.

• I am familiar with OSHA regulations and guidelines

• I have experience conducting safety audits and inspections

• I prioritize safety in all maintenance tasks and ensure proper safety equipment is used

• I have participated in safety training programs and regularly refresh my knowledge

• I communicate safety concerns to management and co...read more