EEE Engineers Day Round1 Quiz

7/29/2019 EEE Engineers Day Round1 Quiz

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EEE Engineers day(2013-2014)

QUIZ COMPETITION

ROUND-1

1 When two D.C. series motors are

connected in parallel, the resultant speedis

(a) more than the normal speed

(b) Loss than the normal speed(c) Normal speed

(d) zero

2The PH value of water used for boiler is

a) Unity

d) Slightly more than seven

3. DC SHUNT MOTOR IS RUNNING AT LIGHT LOAD,

WHAT HAPPENS IF THE FIELD WINDING GETS

OPENED?

a) Motor will stopb) Motor will burn

c) Motor will make noise

d) Motor will pickup high speed

4 LOAD SHEDDING IS DONE TO

A. Improve power factor

B. Run the equipment efficiently

C. Repair the mechine

D. Reduce peak demand

5 which of the disadvantage due to low

power factor

A. Poor voltage regulation

B. Increased transmission Losses

C. High cost of equipment for a

given load

D. All of the above

6THE SPEED CHANGER HAS A FIXED SETTING

AND THE LOAD DEMAND CHANGES. THIS IS

KNOWN AS ___________

7 WHERE DIESEL LOCOMOTIVES ARE

MANUFACTURED IN

THE MINIMUM QUANTITY OF FUEL REQUIRED IN

WHICH OF THE POWER PLANT?

A)Hydro plants

B)Nuclear power plants

C)Thermal power plants

D)None of the above

9MHO RELAY IS USED TO PROTECTED

AGAINST

10 DIESEL POWER PLANT IS BEST SUITED AS

A. Base load plant

B. Stand by plant

C. General purpose plant

D. Any of the above

11 THE AREA UNDER A LOAD CURVE GIVES

A. average demand

B. energy consumed

C. maximum demand

D. none of the above

12 CREEPING IS OBSERVED IN ________

SCHERING BRIDGE IS USED TO

MEASURE ______ 13

THE DAMPING WINDING IN A

SYNCHRONOUS MOTOR IS GENERALLY

USED TO ___________

15 AS THE LOAD ON SYNCHRONOUS MOTOR

INCREASED, THE TORQUE ANGLE.

RELATION BETWEEN INCREMENTAL

PRODUCTION COST AND INCREMENTAL FUEL

COST ARE _________ 16

STEADY STATE FREQUENCY ERROR IN A

SINGLE AREA LOAD FREQUENCY CONTROL

CAN BE ELIMINATED BY ________

THE OPTIMUM ALLOCATION OF

GENERATORS AT EACH GENERATING

STATION IS CALLED __________

FOR LOW HEAD AND HIGH DISCHARGE,

THE HYDRAULIC TURBINE USED IS 19

A. Francis turbine

B. Kaplan turbine

C. pelton wheel

D. None of these

IDEAL TARIFF IS FOR ANY TYPE OF

CONSUMER IS

A. two part tariff

B. three part tariff

C. block rated tariff

D. any of the above

AN UNEXCITED SINGLE PHASE

SYNCHRONOUS MOTOR IS __________ 21

THE SALIENT-POLE ROTORS ARE NOT

USED FOR HIGH-SPEED TURBO-

ALTERNATOR BECAUSE OF _________

23IN A SYSTEM IF THE POLES LIE OFF THE

REAL AXIS, THEN THE SYSTEM

IS ___________

PENALTY FACTOR IN ECONOMIC

OPERATION IS TO CONSIDERED

WHEN _________

IF THE SYSTEM HAS MULTIPLE POLES ON

THE JW- AXIS, THEN THE SYSTEM IS

_______________

26THE ARROW HEAD OF TRANSISTOR SYMBOL

ALWAYS SHOWS THE DIRECTION OF

A. Electron flow in emitter region

B. Conventional current flow

C. Majority carrier flow in the emitter

region

D. Minority carrier flow in the emitter

region

WHICH OF THE FOLLOWING DAMPING

METHODS IS COMMON IN M.C

INSTRUMENTS ____________

A. Eddy current damping

B. Air friction dampingC. Fluid friction damping

D. None

THE KNOWLEDGE OF DIVERSITY FACTOR

HELPS IN DETERMINING

A. Plant capacity

B. Average load

C. Peak loadD. Kwh generated

29 ACCELERATION OF TRAINS ON SUBURBAN

SERVICE IS _______________

POSITIVE SEQUENCE REACTANCE WILL BE

EQUAL TO NEGATIVE SEQUENCE REACTANCE

IN CASE OF _______________

31 REACTANCE RELAY IS USED TO PROTECT

AGAINST ________________________

THE ECONOMICS OF POWER PLANT IS

GREATLY INFLUENCED

BY _________________

33 FOR STABILITY REASONS THE

TRANSMISSION LINE IS OPERATED WITH

POWER ANGLE IN THE RANGE ______________

34 TO IMPROVE THE VOLTAGE PROFILE OF THE

LINE COMPENSATION IS RESTORED BY

CONNECTING ______________

35IN THERMAL POWER PLANT OPERATION THE

INPUT-OUTPUT CHARACTERISTIC IS PLOTTED

BETWEEN _________

36HEAT RATE CURVE IS PLOTTED

IN ___________

37INCREMENTAL TRANSMISSION LOSS OF A

GRID WILL BE _________

38 THE TRANSMISSION LOSS FOR A TWO

PLANT SYSTEM IN TERMS OF BMN

COEFFICIENTS ARE __________

39IN R AILWAYS APPLICATIONS

________________ CIRCUIT BREAKER

IS USED.

40 THE OPTIMUM ALLOCATION OF

GENERATION TO EACH STATION FOR

VARIOUS SYSTEM LOAD LEVELS IS CALLED _______

41 THE IMPULSE RATIO OF ROD GAP

IS __________________

42 THE SCALE OF MOVING IRON

INSTRUMENT IS ________

43 THE SPEED OF DC SHUNT MOTOR CAN BE

INCREASED ABOVE ITS NORMAL SPEED BY:

a) Increasing the field current

b) Decreasing the field current

c) Decreasing the terminal voltage

d) Increasing the armature resistance

44 UNDER FULL LOAD RUNNING CONDITION

SLIP WILL BE

______________

45 ACCORDING TO INDIAN ELECTRICITY

RULES, EXTRA HIGH VOLTAGE IMPLIES

VOLTAGE EXCEEDING ____________________

46ELECTRIC BRAKING IS PREFFERRED

BECAUSE IT IS ______________

47WHAT IS MOST IMPORTANT PROBLEM IN

VACCUM C.B_____________

48 SYNCHRONOUS MOTORS ARE GENERALLY

OPERATED AT ____________

49 M AXIMUM POWER DELIVERED BY

SYNCHRONOUS GENERATOR CONNECTED TO

INFINITE BUS IS AT ______

50THE TECHNIQUE WHICH IS NOT

APPLICABLE TO NON-LINEAR SYSTEM

IS _____________

51 GIVEN G(S)=1/S(1+6S), THEN THE

SYSTEM IS _______

52 THE TYPR-0 SYSTEMS WILL NOT HAVE

POLES AT ______

53 LEDS ARE FABRICATED FROM

a) Silicon

b) Germanium

c) Si or Ge

d) Gallium arsenide

54 THE CHORDING ANGLE FOR ELIMINATING 5TH

HARMONICS SHOULD BE _________

56THE CRITICAL CLEARING TIME IS RELATED

TO _______________

57 IN WHAT SHAPE OF CONDUCTOR CORONA

LOSS IS LESS

58 THE POWER FACTOR OF AC CIRCUIT LIES

BETWEEN

A) 0 and 1

B) -1 and 1

C) 0 and -1

D) none of the above.

59 CURRENT I IN THE FIGURE IS

A)1.5A

(B)0.5A

(C)3.5A

(D)2.5A

60WHAT IS THE USE OF FISH PLATE IN

ELECTRIC TRACTION ?

1.ANSWER

2.ANSWER

3.ANSWER

4.ANSWER

5.ANSWER

6.ANSWER

Free governor operation

7.ANSWER

VARANASI

8.ANSWER

9.ANSWER

LONG TRANSMISSIONLINES

10.ANSWER

11.ANSWER

12.ANSWER

ENERGYMETER

13.ANSWER

CAPACITANCE

14.ANSWER

Prevent hunting and provide

starting torque

15.ANSWER

Increases

16.ANSWER

Incremental production cost >

incremental fuel cost

17.ANSWER

Integral control

18.ANSWER

commitment

19.ANSWER

20.ANSWER

21.ANSWER

Reluctance

22.ANSWER

High centrifugal force and

windage loss

24.ANSWER

Transmission losses are

considered

25.ANSWER

Unstable

26.ANSWER

27.ANSWER

28.ANSWER

29.ANSWER

0.2 to 0.4 kmphps

30.ANSWER

Transformer

31.ANSWER

Earth faults

32.ANSWER

Load factor, utilizationcapacity &unit capacity

33 ANSWER

33.ANSWER

30-45DEGREES

34 ANSWER

34.ANSWER

Capacitors at receiving

35 ANSWER

35.ANSWER

Fuel input vspower output

36 ANSWER

36.ANSWER

Kcal vs Kw (or)

Kwhr vs Kw

37 ANSWER

37.ANSWER

38 ANSWER

38.ANSWER

P12B11+ P2

2B22+2

P1P2B12

39 ANSWER

39.ANSWER

AIR BREAK CIRCUIT

BREAKER

40 ANSWER

40.ANSWER

Load scheduling

41 ANSWER

41.ANSWER

1.2 to 1.5

42 ANSWER

42.ANSWER

Cramped

43 ANSWER

43.ANSWER

44 ANSWER

44.ANSWER

45 ANSWER

45.ANSWER

440 Kv

46 ANSWER

46.ANSWER

smooth,maintanance cost is less

and energy is saved in

regenerating braking

47 ANSWER

47.ANSWER

Current chopping

48 ANSWER

48.ANSWER

leading P.F

49 ANSWER

49.ANSWER

δ=90 deg

50 ANSWER

50.ANSWER

Nyquist Criterion.

51 ANSWER

51.ANSWER

Marginally stable

52 ANSWER

52.ANSWER

Origin

53 ANSWER

53.ANSWER

54 ANSWER

54.ANSWER

36 deg

55 ANSWER

55.ANSWER

Non-linear Controller

56 ANSWER

56.ANSWER

Transient stability

57 ANSWER

57.ANSWER

Circular

58 ANSWER

58.ANSWER

59 ANSWER

59.ANSWER

6 AMPS

60 ANSWER

60.ANSWER

FOR JOINING TWORAILS

15.AS THE TORQUE ON SYNCHRONOUSMOTOR INCRESES THE TORQUE ANGLE……….

19.For Low Head And High Discharge, TheHydraulic Turbine Used Is

A. Francis turbine

B. Kaplan turbineC. pelton wheel

D. None of these

23. In A System If The Poles Lie Off The Real Axis,Then The System Is___________

25. If The System Has Multiple Poles On Theimaginary axis, Then The System Is

_______________

45. ACCORDING TO INDIAN ELECTRICITY RULES, EXTRA HIGH VOLTAGE IMPLIES

VOLTAGE

EXCEEDING ____________________

51. GIVEN G(S)=1/S(1+6S), THEN THE SYSTEM IS _______

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