20+ Interview Questions and Answers

Yes, I agree to proceed with the Operation-Maintenance of Construction Plant & Machinery as well as E.H.S. Implementation.

• I have experience in overseeing the operation and maintenance of construction plant and machinery.

• I am familiar with implementing E.H.S. (Environment, Health, and Safety) protocols in the workplace.

• I understand the importance of ensuring the safety of workers and the environment while operating plant and machinery.

• I am committed to following all relevant r...read more

Merit order is the ranking of power plants based on their cost of production. Fixed charge is the cost of capital investment while variable charge is the cost of fuel and maintenance.

• Merit order is used to determine which power plants will be dispatched first based on their cost of production.

• Fixed charge is the cost of capital investment in the power plant, including the cost of building and maintaining the plant.

• Variable charge is the cost of fuel and maintenance required t...read more

Population projection methods include cohort-component, trend extrapolation, and expert opinion. For water supply projects, population can be projected based on historical data, demographic trends, and development plans.

• Population projection methods: cohort-component, trend extrapolation, expert opinion

• For water supply projects, project population based on historical data, demographic trends, development plans

• Consider factors like birth rates, death rates, migration patterns

• U...read more

Earthing is the process of connecting electrical equipment to the earth to prevent electric shock.

• There are several types of earthing, including plate earthing, rod earthing, pipe earthing, and strip earthing.

• Plate earthing involves burying a copper plate in the earth and connecting it to the electrical equipment.

• Rod earthing involves driving a copper rod into the earth and connecting it to the electrical equipment.

• Pipe earthing involves using a metal pipe instead of a rod or...read more

Circuit breakers are of different types such as thermal, magnetic, hydraulic-magnetic, and residual current devices.

• Thermal circuit breakers use a bimetallic strip to trip the breaker when it gets too hot.

• Magnetic circuit breakers use an electromagnet to trip the breaker when it detects an overload.

• Hydraulic-magnetic circuit breakers combine the features of both thermal and magnetic circuit breakers.

• Residual current devices (RCDs) trip the breaker when it detects a ground fau...read more

Preventive maintenance is of utmost importance in ensuring the smooth functioning and longevity of plant and machinery.

• Preventive maintenance helps in identifying and addressing potential issues before they escalate into major problems.

• Regular maintenance schedules can prevent unexpected breakdowns and costly repairs.

• Proper maintenance can also improve the efficiency and productivity of plant and machinery.

• Examples: Regularly checking and replacing worn-out parts, lubricating...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• They consist of two coils of wire, called the primary and secondary, wrapped around a magnetic core.

• When an AC current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil.

• Transformers are use...read more

Buchholz relay is a protective device used in oil-filled transformers to detect and prevent faults.

• It is a type of gas actuated relay

• It is installed in the oil-filled transformer tank

• It detects the presence of gas or air bubbles in the oil

• It trips the transformer if a fault is detected

• It helps to prevent major damage to the transformer

Star delta starter is an electrical motor starting mechanism that reduces the starting current and torque.

• Used for starting high power motors

• Consists of three contactors and a timer

• Initially starts the motor in star configuration and then switches to delta configuration

• Reduces starting current and torque

• Commonly used in industrial applications

Yes, I have organized the operation and maintenance of all construction plant & machinery on Project National Highway 72 Km.

• Implemented a comprehensive maintenance schedule for all construction plant & machinery

• Ensured regular inspections and servicing of equipment to prevent breakdowns

• Trained staff on proper operation and maintenance procedures

• Maintained detailed records of maintenance activities and equipment performance

• Coordinated with suppliers for spare parts and repairs

Yes, I agree to the designation of D.G.M.-Plant & Machinery with an annual salary of Rs 21.5 Lakhs.

• Agree to the designation of D.G.M.-Plant & Machinery

• Accept the annual salary of Rs 21.5 Lakhs

• Committed to regular basis employment

CT and PT are abbreviations for medical tests used to measure blood clotting factors.

• CT stands for Clotting Time and measures the time it takes for blood to clot.

• PT stands for Prothrombin Time and measures the time it takes for blood to clot and the effectiveness of blood thinning medication.

• These tests are commonly used to diagnose bleeding disorders and monitor the effectiveness of blood thinning medication.

• Results are reported as a ratio or percentage compared to a normal ...read more

Types of faults in lighting include bulb failure, flickering, dimming, and power surges.

• Bulb failure due to old age or manufacturing defects

• Flickering caused by loose connections or faulty wiring

• Dimming due to voltage drops or incompatible dimmer switches

• Power surges caused by lightning strikes or faulty electrical systems

• Other faults include buzzing sounds, overheating, and color distortion

Water distribution systems are designed using hydraulic principles to ensure efficient water supply to consumers. Elevated service reservoirs are designed to store and distribute water at higher elevations.

• Water distribution systems are designed based on factors such as population served, water demand, topography, and available water sources.

• Hydraulic calculations are used to determine pipe sizes, flow rates, and pressure requirements in the distribution system.

• Elevated servi...read more

MPLS is a protocol used for efficient packet forwarding. It uses labels to identify paths instead of IP addresses.

• MPLS stands for Multiprotocol Label Switching

• Labels are assigned to packets at the ingress router

• Labels are used to identify the path a packet should take through the network

• Labels are swapped at each MPLS router along the path

• The last MPLS router removes the label and forwards the packet based on the IP address

• MPLS improves network performance and enables traffic...read more

Ticketing tool is a software used to manage and track support tickets, while DHCP is a network protocol that assigns IP addresses to devices.

• Ticketing tool helps IT teams manage and track support tickets efficiently

• Examples of ticketing tools include Jira, ServiceNow, and Zendesk

• DHCP stands for Dynamic Host Configuration Protocol

• DHCP automatically assigns IP addresses to devices on a network

• DHCP helps in managing IP address allocation and network configuration

Preventive maintenance should be performed 100% of the time to ensure optimal functioning of the plant.

• Preventive maintenance helps to identify and address potential issues before they become major problems.

• Regular maintenance can extend the lifespan of equipment and machinery.

• Preventive maintenance can help to reduce downtime and increase overall efficiency.

• Examples: regular inspections, lubrication, cleaning, and calibration of equipment.

Route reflector is a BGP feature that allows a router to advertise routes to its clients without requiring full mesh connectivity.

• Route reflector reduces the number of iBGP peerings required in a network.

• It helps in scaling the network by reducing the number of updates and processing required.

• Route reflector can be configured in a hierarchical manner to further reduce the number of iBGP peerings.

• It is commonly used in large service provider networks.

• Route reflector can be con...read more

Preventive maintenance involves regularly scheduled inspections, repairs, and replacements to prevent equipment breakdowns and prolong the lifespan of machinery.

• Regularly scheduled inspections to identify potential issues before they become major problems

• Routine cleaning and lubrication to keep machinery running smoothly

• Replacing worn out parts before they fail to prevent costly breakdowns

• Implementing a preventive maintenance schedule based on manufacturer recommendations

• Exam...read more

Detailing of lighting refers to the process of designing and arranging lighting fixtures to achieve a desired effect.

• Consider the purpose of the space and the desired atmosphere

• Choose appropriate fixtures and bulbs for the space

• Plan the placement of fixtures to evenly distribute light

• Use accent lighting to highlight specific features or objects

• Ensure proper wiring and installation for safety and functionality