Chapter 3 · MCQ Read Mode

Power Plants Engineering

A Pelton wheel turbine is best suited for:

The Francis turbine is classified as a:

A Kaplan turbine is distinguished by:

The purpose of a surge tank in a hydro-plant layout is to:

A run-of-river hydro plant is characterized by:

The main function of a turbine governor is to:

Pumped storage hydro plants are primarily used for:

A penstock in a hydro-plant layout functions as:

Which turbine type is generally considered the most widely used worldwide, suited to a broad range of medium head/flow conditions?

A key site selection criterion for a hydroelectric power plant is:

A key advantage of diesel electric power plants is:

Diesel power plants are most commonly used for:

In a diesel plant, the governor primarily regulates:

The cooling system of a diesel engine primarily functions to:

The lubrication system in a diesel plant serves to:

In a diesel power plant, mechanical energy is converted to electrical energy by:

A key site selection factor specific to diesel power plants is:

Diesel engine starting systems commonly use:

Compared to hydroelectric plants, diesel plants generally have:

The exhaust system of a diesel engine is primarily responsible for:

Solar photovoltaic (PV) cells convert sunlight into electricity via:

An inverter in a solar PV system is used to:

Concentrated Solar Power (CSP) generates electricity by:

The function of a charge controller in an off-grid solar PV system is to:

Wind turbine power output is related to wind speed by:

A wind turbine converts kinetic energy of moving air into electricity via:

Pitch control in a wind turbine serves to:

A key operational challenge shared by both solar and wind power generation is:

Yaw control in a wind turbine primarily adjusts:

Compared to conventional thermal/hydro plants, solar PV plants typically have:

Pumped storage plants store energy by:

A key requirement for pumped storage plant siting is:

Battery Energy Storage Systems (BESS) are particularly valued for:

Compressed Air Energy Storage (CAES) typically requires:

Flywheel energy storage is best suited for:

Round-trip efficiency of an energy storage technology refers to:

Which storage technology generally offers the fastest response time?

For large-scale, long-duration grid energy storage, which technologies are generally most suitable?

Battery Energy Storage Systems store energy via:

A key advantage of battery storage over pumped storage is:

A brushless excitation system eliminates the need for:

A static excitation system derives field current from:

The primary function of an Automatic Voltage Regulator (AVR) is to:

An AVR operates as what type of control system?

Over-excitation limiting in an AVR primarily protects against:

Under-excitation limiting in an AVR primarily protects against:

Compared to DC excitation systems, static excitation systems generally offer:

In a DC excitation system, field current is supplied to the main generator via:

When generator load increases and terminal voltage tends to drop, the AVR responds by:

A key advantage of brushless excitation systems over slip-ring based systems is:

A key prerequisite before starting a hydro generator is:

A key prerequisite before starting a diesel generator is:

Before connecting a newly started generator to the grid, it must be:

A 'black start' refers to:

A black start unit is characterized by its ability to:

Why can't a typical large generating unit normally perform its own black start?

Common examples of black start units include:

The role of a black start unit during grid restoration is to:

Synchronizing a generator before grid connection is necessary to avoid:

For a diesel generator, the starting system prerequisite check specifically ensures: