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REE > POWER PLANT > Flashcards

POWER PLANT Flashcards

1
Q

Nuclear reactors generally employ

A

Fission

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2
Q

Take least time in starting from cold conditions to full load operations

A

Gas turtibe power plant

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3
Q

Power Plant consumes 3000 tons of coal everyday

With eff 25%

A

183MW

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4
Q

Natural Gas has an energy content of 0.036

A

1.79 x10¹² ft³

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5
Q

A certain amout of fuel can be converted into 3x10^-3

A

183 days

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6
Q

Function of surge tank in the hydropower plant

A

Relieve water hammer pressures in the penstock pipe

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7
Q

Diesel Power Plant

A

Standby

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8
Q

Cannot have a single unit of 100MW

A

Diesel Power plan

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9
Q

Peak deman 80MW and Load of 150MW

A

LF = 57.08%

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10
Q

Effective resistance of conductor is increased by

A

Skin effect and proximity effect

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11
Q

ACSR

A

Aluminum Cable Steel Reinforced

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12
Q

Conductor layer

A

3n² - 3n +1

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13
Q

Diamond Configuration

A

1.6921r

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14
Q

Bundled spacing 45cm

Capacitance

A

0.0127 microF/km

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15
Q

Not considered in analyzing a short Transmission line

A

Shunt admittance

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16
Q

The coil sides are placed a pole pitch apart is

A

Full pitch

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17
Q

Dc Gen parallel

A

100A

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18
Q

When a welding tranformer is used in a resistance welding, it will

A

Step up current

19
Q

Delta delta power trans

A

Y Y ct

20
Q

What affects the speed of a rotating field

A

f and number of poles

21
Q

What affects the speed of a rotating field

A

f and number of poles

22
Q

What affects the speed of a rotating field

A

f and number of poles

23
Q

Speed of induction increases , rotor frequency

A

Decreases

24
Q

Grease spot photometer

A

225 Cd

25
Q

Amplitude modulation generated at very low voltage or power amplifier is ____ modulation

A

Low level

26
Q

Transponder with bandwidth of 400MHz

A

200 000

27
Q

Master control center

A

Mobile telephone switching office

28
Q

Transient current in a circuit results from

A

Changes in the stored energy

29
Q

Charge is half of its value after 10ms

Find time constant

A

14ms

30
Q

Energy stored in a 25 uF

W(t) = 12sin²(377t)

A

9.23coswt

31
Q

(1+i)^n

A

Components amount factor

32
Q

Commercially used in pressure measuring device today is

A

Bordon tube

33
Q

50k in air
42k in water
36k in unknown liquid

A

SG = 1.75

34
Q

Under voltage relay

A

27

35
Q

Difficult to magnetize steel because

A

Low permeability

36
Q

Present day capacitors

A

Ceramic

37
Q

Diode

A

Nonlinear

38
Q

Voltage build up till constrained by

A

Saturation of iron

39
Q

Reciprocal of permeability

A

Reluctivity

40
Q

Max eff of halfwave rectifier

A

40.6 %

41
Q

Measures insulation of a powerline

A

Megger

42
Q

In a diode modulator what supplies the negative halfwave

A

Tuned Circuit

43
Q

Cp operate in freq of

A

UHF

REE (4 decks)

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