ACG Worldwide Mechanical Maintenance Engineer Interview Questions and Answers

VCB stands for Vacuum Circuit Breaker, which is an electrical switch that uses vacuum as the dielectric medium.

• VCB is used to protect electrical equipment from damage caused by overcurrents and short circuits.

• It is commonly used in high voltage power systems.

• VCBs are more reliable and require less maintenance compared to other types of circuit breakers.

• They are also more environmentally friendly as they do not use any ...read more

DG stands for Diesel Generator, which is a backup power source used in case of power outages.

• DG is a standalone power source that runs on diesel fuel.

• It is commonly used as a backup power source in case of power outages.

• DGs are often used in hospitals, data centers, and other critical facilities to ensure uninterrupted power supply.

• They come in various sizes and capacities, depending on the power requirements of the fa...read more

DC motors convert electrical energy into mechanical energy through the interaction of magnetic fields.

• DC motors have a stationary part called the stator and a rotating part called the rotor.

• The stator contains the field windings that produce a magnetic field, while the rotor has the armature windings that carry the current.

• The interaction of the magnetic fields causes the rotor to rotate, producing mechanical energy.

• DC...read more

PLC stands for Programmable Logic Controller, a digital computer used for automation of electromechanical processes.

• PLCs are used in industrial automation to control machinery and processes

• They are programmed using ladder logic or other programming languages

• PLCs can communicate with other devices and systems through various communication protocols

• Examples of PLC applications include manufacturing, transportation, and b

P2P cycle refers to the process of procuring goods or services from a supplier and making payments for them.

• The cycle starts with identifying the need for goods or services.

• The next step is to create a purchase order (PO) and send it to the supplier.

• The supplier then delivers the goods or services and sends an invoice to the buyer.

• The buyer verifies the invoice and matches it with the PO and goods received.

• If everythin...read more

The Ich limit for methanol is 0.6% and it is classified as a class 3 solvent.

• The Ich limit for methanol refers to the maximum allowable amount of methanol in a pharmaceutical product.

• The Ich limit for methanol is set at 0.6%, meaning that the concentration of methanol should not exceed 0.6% in the product.

• Methanol is classified as a class 3 solvent according to the International Council for Harmonisation of Technical R...read more

The specification limit for known and unknown impurities varies depending on the specific substance being tested.

• The specification limit for known impurities is typically set by regulatory agencies or pharmacopoeias.

• For example, the United States Pharmacopeia (USP) sets limits for known impurities in pharmaceutical substances.

• The specification limit for unknown impurities is usually determined through method validation...read more