Power Systems Objective Questions & Answers – Set 19

A moderator material should have

Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors

The power level of nuclear reactor can be increase by ( K = multiplication factor )

The area under a flow duration curve represents

The specific speed of water turbine is the speed at which the turbine develops

Which of following are the fertile materials

An impulse turbine

The specific speeds of Kaplan, Francis and Pelton turbines are in

For head and low discharge the water turbine used

Where is the draft tube of a hydroelectric plant that is an airtight pipe located

One atomic mass unit is equivalent to

Which of the following are the fissile materials

Francis, Kaplan and propeller turbines fall under the category of

Location of a surge tank, in a hydroelectric power station, is near

The draft tube is provided to

In kaplan runner, the number of blades is generally of the order of

For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is

For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant

On what factors does the selection of a water turbine depend

Reflector nuclear reactor are made of

When a nuclear reaction is operating at constant power the multiplication factor is

Which turbine is ideally suited to pumped storage plants

The function of moderator in a nuclear reactor is

Which one of following fuels is used by slow thermal nuclear reaction for power generation

The function of draft tube is reaction turbine is to

The specific speed ( N_S ) of turbine is given by

A CANDU reactor uses

Deflectors are provided in

In Francis turbine runner, the number blades is usually of the order of

Nuclear reactors usually employ