10+ Hinduja Leyland Finance Interview Questions and Answers

An oxygen analyzer measures the concentration of oxygen in a gas or liquid stream.

• The working principle of an oxygen analyzer involves the use of a sensor that reacts with oxygen to produce an electrical signal proportional to the oxygen concentration.

• There are various types of oxygen analyzers such as zirconia, paramagnetic, and electrochemical sensors.

• Currently, we are using a zirconia-based oxygen analyzer in our system.

DCS programming languages include Function Block Diagram, Sequential Function Chart, and Structured Text.

• DCS programming languages are used to create logic for Distributed Control Systems.

• Function Block Diagram (FBD) is a graphical language that uses blocks to represent functions and their interconnections.

• Sequential Function Chart (SFC) is a graphical language that represents the sequence of actions in a process.

• Structured Text (ST) is a high-level programming language that ...read more

CEMS analyser is used to measure emissions from industrial processes. It works on the principle of gas chromatography or infrared spectroscopy.

• CEMS stands for Continuous Emissions Monitoring System

• It is used to measure pollutants like CO, SO2, NOx, etc. emitted from industrial processes

• The analyser works by drawing a sample of the exhaust gas and passing it through a detector

• The detector uses gas chromatography or infrared spectroscopy to identify and measure the concentratio...read more

TSI(Bentley) vibration and speed monitoring system is a tool used for monitoring and analyzing the vibration and speed of rotating machinery.

• TSI(Bentley) vibration and speed monitoring system helps in detecting any potential issues in rotating machinery before they become major problems.

• It provides real-time monitoring and analysis of vibration and speed data, allowing for early detection of faults and potential failures.

• The system can be used in a variety of industries, incl...read more

Fixed cost is a cost that remains constant regardless of the level of production, while variable cost changes with the level of production.

• Fixed cost does not vary with the level of production or sales.

• Variable cost changes in direct proportion to the level of production or sales.

• Fixed costs include expenses like rent, salaries, and insurance.

• Variable costs include expenses like raw materials, direct labor, and sales commissions.

• Fixed costs are incurred even if there is no pr...read more

Dyeing is the process of adding color to textiles or other materials. There are various types of dyeing methods used in the industry.

• Dyeing is the process of imparting color to a textile material such as fibers, yarns, or fabrics.

• Types of dyeing include direct dyeing, yarn dyeing, piece dyeing, and garment dyeing.

• Direct dyeing involves applying dye directly to the fabric without the need for a mordant.

• Yarn dyeing is done before the fabric is woven or knitted, resulting in a c...read more

Delta in CCM represents the change in the concentration of a chemical species over time.

• Delta is used to calculate the rate of change in concentration in Continuous-Flow Chemistry (CCM).

• It is often denoted as ΔC/Δt, where ΔC is the change in concentration and Δt is the change in time.

• Delta helps in monitoring the progress of a chemical reaction and optimizing reaction conditions.

• For example, if the concentration of a reactant decreases by 0.5 M in 10 seconds, the delta would ...read more

The test method for processed fabric involves evaluating various properties such as strength, colorfastness, shrinkage, and appearance.

• Testing for strength involves using a tensile testing machine to measure the maximum force a fabric can withstand before breaking.

• Colorfastness testing assesses how well a fabric retains its color when exposed to various conditions like washing, light, and rubbing.

• Shrinkage testing involves measuring the percentage change in dimensions of a fa...read more

Compound interest is the interest calculated on both the initial principal and the accumulated interest from previous periods.

• Compound interest is calculated based on the initial principal amount and the interest earned from previous periods.

• It is different from simple interest, which is calculated only on the principal amount.

• Compound interest can be calculated using the formula: A = P(1 + r/n)^(nt), where A is the final amount, P is the principal, r is the annual interest r...read more

UPS system stands for Uninterruptible Power Supply which provides backup power in case of power failure.

• UPS system is used to protect critical equipment from power outages and voltage fluctuations.

• It provides a continuous power supply to the equipment during power failure.

• UPS system can be of different types such as offline, line-interactive, and online.

• Offline UPS switches to battery power when the main power fails, while line-interactive UPS regulates voltage fluctuations a...read more

Different methods of printing include offset, digital, flexography, gravure, and screen printing.

• Offset printing uses plates to transfer ink onto a rubber blanket before printing onto the desired surface.

• Digital printing involves directly printing from a digital file onto the surface without the need for plates.

• Flexography uses flexible relief plates and is commonly used for packaging materials.

• Gravure printing uses engraved cylinders to transfer ink onto the surface, often u...read more