PI Industries Maintenance 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

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

Hydraulic pump is a device that converts mechanical energy into hydraulic energy. Centrifugal pump is a type of pump that uses centrifugal force to move fluid. Tube bundle dryers are used to dry materials in a tube. Root blower is a type of positive displacement blower.

• Hydraulic pump converts mechanical energy into hydraulic energy

• Centrifugal pump uses centrifugal force to move fluid

• Tube bundle dryers are used to dry m...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