Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OBJECTIVE TYPE PPD REVIEWER > Module 1.1: Power and Energy Sources 2 > Flashcards

Module 1.1: Power and Energy Sources 2 Flashcards

IDENTIFICATION

1
Q

Defined as a machine or assembly of equipment that generates and delivers a flow of mechanical or electrical energy.

A

Power Plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Steam Power Plant, Diesel Power Plant, Gas Turbine Power Plant, and Nuclear Power Plant are called ___.

A

Thermal Power Plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Capacity for doing work generating heat, and emitting light.

A

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Is the ability to change the temperature of an object or phase of a substance.

A

Heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Energy is measured in ___.

A

Calorie, quad and joule.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Is the amount of energy or heat required to raise the temperature of 1 kg of water from 14.5°C to 15.5°C.

A

Kilocalorie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The most important form of energy.

A

Electrical Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The conversion of energy available in different forms in nature into electrical energy is known as ___.

A

Generation of electrical energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Is the primary source of energy.

A

Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Is used to run windmills which drive the small generator.

A

Wind Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Produces heat by fission on nuclei, which is generated by heat engines. It is the world’s largest source of emission-free energy.

A

Nuclear Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Is kinetic and potential energy, but is associated with the random motion of atoms in an object.

A

Thermal Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Is a form of energy that comes from chemical reactions, in which the chemical reaction is a process of oxidation.

A

Chemical Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Exists in a range of wavelengths that extends from radio waves that may be thousands of meters long to gamma rays with wavelengths as short as a million-millionth (10^-12) of a meter.

A

Radiant Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The capacity of an agent to do work.

A

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Is a form of energy which produces the sensation of warmth.

A

Heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Unit of heat.

A

Calorie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Is the science of many processes involved in one form of energy being changed into another.

A

Thermodynamics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

It states that if two bodies are each in thermal equilibrium with a third, they must also be in thermal equilibrium with each other.

A

Zeroth Law of Thermodynamics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Says that energy can neither be created nor destroyed.

A

First Law of Thermodynamics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Is the entropy law, which says that all physical processes proceed in such a way that the availability of the energy involved decreases.

A

Second Law of Thermodynamics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Is the law of unattainability of absolute zero temperature, which says that entropy of an ideal crystal at zero degree Kelvin is zero.

A

Third Law of Thermodynamics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

(1) This cycle is of great value to heat power theory although it has not been possible to construct a practical plant on this cycle. It has high thermodynamics efficiency.
(2) It is a standard of comparison for all other cycles.

A

Carnot Cycle

24
Q

(1) Steam engine and steam turbines in which steam is used as working medium follows this power plant cycle. This cycle can be carried out in four pieces of equipment joint by pipes for conveying workinf medium.

A

Rankine Cycle

25
Q

In this cycle, steam is extracted from a suitable point in the turbine and reheated generally to the original temperature by flue gases.

A

Reheat Cycle

26
Q

The process of extracting steam from the turbine at certain points during its expansion and using this steam for heating feed water is known as ___.

A

Regenerative Cycle/Regeneration or Bleeding of steam

27
Q

In this cycle two working fluids are used. The mercury boiler heats the mercury into mercury vapours in a dry and saturated state.

A

Binary Vapour Cycle

28
Q

Used in steam power plant that uses high steam pressure. The thermal efficiency of this cycle is higher than only reheat or regenerative cycle.

A

Reheat-Regenerative Cycle

29
Q

A generating station which converts heat energy of coal combustion into electrical energy.

A

Steam Power Station

30
Q

Overall efficiency of a steam power station.

A

29%

31
Q

The ratio of heat equivalent of mechanical energy transmitted to the turbine shaft to the heat combustion of coal.

A

Thermal Efficiency

32
Q

The ratio of heat equivalent of electrical output to the heat of combustion of coal.

A

Overall Efficiency

33
Q

A generating station which utilizes the potential energy of water at a high level for the generation of electrical energy.

A

Hydroelectric Power Station

34
Q

In a hydro-electric power station, these include dam, spillways, headworks, surge tanks, penstock and accessory works.

A

Hydraulic Structures

35
Q

Is a barrier which stores water and creates water head.

A

Dam

36
Q

In order to discharge the surplus water from the storage reservoir into the river on the down-stream side of the dam, ____ are used.

A

Spillways

37
Q

Consists of the diversion structures at the head of an intake. They generally include booms and racks for diverting floating debris, sluices for by-passing debris and sediments and valves for controlling the flow of water to the turbine.

A

Headworks

38
Q

Is a small reservoir or tank (open at the top) in which water level rises or falls to reduce the pressure swings in the conduit.

A

Surge tank

39
Q

Are open or closed conduits which carry water to the turbines.

A

Penstocks

40
Q

Used to convert the energy of falling water into mechanical energy.

A

Water Turbines

41
Q

These turbines are used for high heads.

A

Impulse turbines

42
Q

These turbines are used for low and medium heads.

A

Reaction turbines

43
Q

Is used for low to medium heads. It consists of an outer ring of stationary guide blades fixed to the turbine casing and an inner ring of rotating blades forming the runner.

A

Francis turbine

44
Q

Is used for low heads and large quantities of water. It is similar to francis turbine except that its runner receives water axially.

A

Kaplan turbine

45
Q

A generating station in which diesel engine is used as the prime mover for the generation of electrical energy.

A

Diesel Power Station

46
Q

It consists of storage tank, strainers, fuel transfer pump and all day fuel tank.

A

Fuel supply system

47
Q

This system supplies necessary air to the engine for fuel combustion.

A

Air intake system

48
Q

This system leads the engine exhaust gas outside the building and discharges it into atmosphere.

A

Exhaust system

49
Q

The system keep the temperature of the engine parts within the same operating limits. This consists of a water source, pump and cooling towers.

A

Cooling system

50
Q

This system minimizes the wear of rubbing surfaces of the engine. It comprises of lubricating oil tank, pum, filter and oil cooler

A

Lubricaring system

51
Q

This is an arrangement to rotate the engine initially, while starting, until firing starts in the unit runs with its own power.

A

Engine starting system

52
Q

A generating station in which nuclear energy is converted into electrical energy.

A

Nuclear Power Station

53
Q

Heavy elements such as ____ and ____ are subjected to nuclear fission in a special apparatus known as a reactor.

A

Uranium (U235), Thorium (Th232)

54
Q

It is an apparatus in which nuclear fuel (U235) is subjected to nuclear fission. It controls the chain reaction that starts once the fission is done.

A

Nuclear reactor

55
Q

A generating station which employs gas turbine as the prime mover for the generation of electrical energy.

A

Gas Turbine Power Plant

56
Q

Is a device which recovers heat from the exhaust gases of the turbine.

A

Regenerator

OBJECTIVE TYPE PPD REVIEWER (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions