10+ Andhra Drug House Interview Questions and Answers

Green Building policies vary across the country.

• Many states and cities have their own green building codes and standards.

• Some states, like California, have mandatory green building requirements for new construction.

• The federal government also has green building policies for its own buildings and projects.

• LEED certification is a widely recognized standard for green building.

• Green building policies often focus on energy efficiency, water conservation, and use of sustainable mat...read more

Uniformity factor is the ratio of the minimum illuminance to the average illuminance on a surface. Maintenance factor is the ratio of the illuminance after a period of time to the initial illuminance.

• Uniformity factor is important in lighting design to ensure consistent lighting levels across a space.

• A higher uniformity factor indicates more even lighting distribution.

• Maintenance factor accounts for factors like dirt accumulation and lamp depreciation over time.

• It is used to ...read more

Primary Variable pumping system uses a variable speed pump to control flow rate based on the demand of the system.

• Variable speed pump adjusts flow rate based on system demand

• Flow rate is controlled by changing pump speed

• Pressure sensors or flow meters provide feedback to the pump controller

• Efficient and energy-saving system compared to constant speed pumps

Electrical lightning protection design codes and standards are guidelines that ensure the safety and effectiveness of lightning protection systems.

• National Fire Protection Association (NFPA) 780 is a widely recognized standard for lightning protection design.

• International Electrotechnical Commission (IEC) 62305 is another commonly used standard for lightning protection.

• These codes and standards provide guidelines for the design, installation, inspection, and maintenance of li...read more

Choose AC cables based on current rating, insulation material, and environmental conditions.

• Consider the current rating of the cable to ensure it can handle the load

• Choose the appropriate insulation material based on the application and environment

• Take into account environmental conditions such as temperature, moisture, and exposure to chemicals

• Select the right cable size to minimize voltage drop and power loss

• Ensure compliance with relevant standards and regulations

KPIs for campus master planning include enrollment projections, space utilization, sustainability goals, and budget adherence.

• Enrollment projections to ensure adequate space and resources are available

• Space utilization to optimize usage and minimize waste

• Sustainability goals to promote environmentally responsible planning

• Budget adherence to ensure financial feasibility

• Examples of KPIs include percentage of space utilization, enrollment growth rate, energy efficiency improveme...read more

I use software like Carrier HAP, EnergyPlus, or Trace for heat load calculations.

• Carrier HAP is commonly used for commercial HVAC systems

• EnergyPlus is a powerful simulation tool for energy modeling

• Trace is known for its user-friendly interface and accurate results

The starting current of a DOL starter is typically 6-8 times the rated current of the motor.

• The Direct-On-Line (DOL) starter is used to start induction motors.

• The starting current of a DOL starter is usually 6-8 times the rated current of the motor.

• This high starting current can cause voltage drops and stress on the electrical system.

Earthing is the process of connecting electrical systems to the ground to prevent electric shock and protect equipment.

• Types of earthing include plate earthing, pipe earthing, rod earthing, and strip earthing.

• Methods of earthing include neutral earthing, equipment earthing, and system earthing.

• Earthing is essential for safety in electrical systems to prevent electric shock and damage to equipment.

• Proper earthing ensures that fault currents are safely directed to the ground in...read more

TF stands for Transformer. It is a static device used to transfer electrical energy between two or more circuits through electromagnetic induction.

• Principle of TF involves Faraday's law of electromagnetic induction.

• Types of TF include step-up, step-down, isolation, auto-transformer, etc.

• TFs are used in power distribution, voltage regulation, impedance matching, etc.

Space planning involves organizing and arranging interior spaces to optimize functionality and efficiency.

• Start by analyzing the space requirements and constraints

• Consider the purpose of the space and the activities that will take place

• Create a layout that maximizes flow and usability

• Take into account factors such as furniture placement, lighting, and circulation

• Use tools like floor plans, sketches, and 3D models to visualize the design

• Seek feedback from stakeholders and make...read more

Starters are devices used to start and control the speed of induction motors.

• Direct On-Line (DOL) starter: provides full voltage to the motor at start

• Star-Delta starter: reduces the starting current by initially connecting the motor in star configuration

• Auto-transformer starter: uses an auto-transformer to reduce the voltage during starting

• Soft starter: gradually increases the voltage to the motor to reduce starting current and torque

• Variable Frequency Drive (VFD): controls t...read more

Electrical earthing design is a crucial aspect of electrical engineering that ensures safety and proper functioning of electrical systems.

• Electrical earthing design involves creating a low-resistance path for electrical current to flow into the ground.

• It helps prevent electric shock, protects equipment from damage, and ensures proper functioning of protective devices like circuit breakers.

• Different types of earthing systems include TN, TT, and IT systems, each with their own ...read more

DOAS system stands for Differential Optical Absorption Spectroscopy system used for monitoring air quality.

• DOAS system is a remote sensing technique used to measure concentrations of trace gases in the atmosphere.

• It works by analyzing the absorption of sunlight by gases in the atmosphere.

• DOAS systems are commonly used for monitoring air quality, studying pollution sources, and measuring greenhouse gas concentrations.

• Examples of gases that can be measured using DOAS include oz...read more

P-delta analysis is a second-order analysis method used in structural engineering to account for the effects of axial loads on the overall stability of a structure.

• P-delta analysis considers the interaction between the applied loads and the deformed shape of the structure.

• It is used to assess the stability of tall or slender structures, where the effects of second-order forces become significant.

• P-delta effects can lead to additional moments and deflections in the structure, ...read more

PT design refers to pre-tensioned concrete design. It has its own set of advantages and disadvantages.

• Pros: higher strength and durability, reduced cracking, longer lifespan, better resistance to environmental factors

• Cons: higher initial cost, more complex construction process, limited flexibility for future modifications

• Example: PT design is commonly used in bridges and high-rise buildings where strength and durability are crucial.

• Example: The construction process for PT des...read more