APL Apollo Tubes Executive Assistant Interview Questions and Answers

Impact idlers are used in conveyor systems to absorb impact and reduce damage to the belt.

• Impact idlers are typically installed at loading points on conveyor belts to absorb impact and reduce damage to the belt.

• They are designed with rubber rings or discs that compress upon impact, cushioning the blow.

• Properly installed impact idlers can help extend the life of the conveyor belt and reduce maintenance costs.

The angle of convair refers to the angle at which the wings of an aircraft are positioned relative to the fuselage.

• The angle of convair is crucial for determining the stability and performance of an aircraft.

• It is typically measured in degrees and can vary depending on the design of the aircraft.

• For example, a higher angle of convair can provide more lift at slower speeds, while a lower angle may improve fuel efficienc

Various gears are used in Convair aircraft for different functions.

• Convair aircraft use a variety of gears for different systems such as landing gear, engine gears, and control system gears.

• Examples of gears used in Convair aircraft include spur gears, bevel gears, and helical gears.

• Each gear serves a specific purpose in ensuring the proper functioning of the aircraft.

ZSS Inconvair is a research aircraft used by NASA for studying atmospheric phenomena.

• ZSS Inconvair is a modified Convair 990 aircraft used for scientific research purposes.

• It is equipped with various instruments to study atmospheric chemistry, climate change, and other related phenomena.

• NASA uses ZSS Inconvair for conducting research flights at high altitudes to collect data for scientific studies.

Transmission is the process of transferring power from the engine to the wheels of a vehicle.

• Transmission helps control the speed and torque of a vehicle

• There are different types of transmissions such as manual, automatic, and CVT

• Transmission fluid is used to lubricate and cool the transmission system

Safety interlocks in boiler and turbine are mechanisms designed to prevent unsafe conditions and protect equipment.

• Safety valves to release excess pressure in the boiler

• Flame detectors to ensure proper combustion in the boiler

• Emergency stop buttons to shut down the turbine in case of a malfunction

• Temperature sensors to monitor and control the temperature in the boiler and turbine

• Pressure switches to prevent overpressur

The number of overspeed trips set in turbines varies depending on the type and size of the turbine.

• The number of overspeed trips set in turbines can range from 1 to 3, depending on the manufacturer and design of the turbine.

• Overspeed trips are safety mechanisms that are designed to shut down the turbine if it exceeds its maximum safe operating speed.

• Some turbines may have adjustable overspeed trip settings to allow for...read more

ACC vacuum may be low during rain due to water entering the system and affecting the vacuum pressure.

• Water entering the ACC system can disrupt the vacuum pressure

• Moisture can cause blockages in the system, leading to low vacuum levels

• Leaks in the system can allow water to enter and affect the vacuum pressure

Motor protection settings are parameters set to protect the motor from damage due to overcurrent, overload, overheating, etc.

• Motor protection settings include overload relay, thermal overload relay, circuit breaker, fuses, etc.

• These settings are crucial for preventing motor damage and ensuring safe operation.

• Examples of motor protection settings include setting the overload relay to trip at a certain current level, set...read more

Improving blast furnace productivity involves optimizing operations, maintenance, and technology.

• Implement regular maintenance schedules to prevent breakdowns and downtime.

• Optimize raw material quality and charging practices for efficient operation.

• Utilize advanced technology and automation to monitor and control the process.

• Train and empower employees to identify and address productivity issues.

• Analyze data and perfor...read more

To decrease the fuel rate of blast furnace, optimize the combustion process, improve insulation, and use alternative fuels.

• Optimize the combustion process by adjusting air-to-fuel ratio and ensuring proper mixing of fuel and air.

• Improve insulation of the furnace to reduce heat loss and increase efficiency.

• Use alternative fuels such as natural gas or biomass to reduce the consumption of traditional fuels like coal or co

A gear box is a mechanical device that uses gears to provide speed and torque conversions from a rotating power source to another device.

• Gear boxes are commonly used in vehicles to transfer power from the engine to the wheels.

• They can also be found in industrial machinery to control speed and direction of rotation.

• Gear boxes consist of multiple gears of different sizes that mesh together to provide the desired output.

• T...read more

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

• Centrifugal pumps use a rotating impeller to increase the pressure of a fluid.

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

• Axial flow pumps move fluid parallel to the impeller shaft.

• Examples include centrifugal pumps in HVAC systems, diaphragm pumps in chemical processing, and axial

Blast furnace is a metallurgical process used to extract iron from its ore through reduction reactions.

• Iron ore, coke, and limestone are fed into the furnace

• Hot air is blown into the furnace to ignite the coke and initiate the reduction process

• The iron ore is reduced to molten iron, which is tapped off at the bottom of the furnace

• Slag, a byproduct of the process, is also tapped off and used in construction

• The process i...read more