ইলেকট্রিক্যাল ইঞ্জিনিয়ারিং মডেল MCQ টেস্ট-১
এখানে মোট ৫০টি MCQ দেয়া আছে। যার মধ্যে ৩৫টি ইলেকট্রিক্যাল বিভাগের এবং
১৫টি সাধারন বিভাগ থেকে দেয়া হয়েছে। বাংলাদেশের ইলেকট্রিক্যাল ইঞ্জিনিয়ারিং
এর যেকোন চাকরির পরীক্ষার একটি মডেল এখানে দেয়া হল, বিশেষ করে যারা REB বা
পবিস এ পরীক্ষা দিবেন তাদের জন্য এই মডেল ভাল উপকারে আসতে পারে। এরকম মডেল
প্রশ্ন বেশি বেশি করে পড়বেন। বৃত্ত গুলিতে ক্লিক করুন, সঠিক উত্তরটি দেখতে
পারবেন।
1. Which of the following is the poorest conductor of electricity?
<input class="rq_radio" id="Copper" type="radio" value="Copper"> Copper <input class="rq_radio" id="Aluminium" type="radio" value="Aluminium"> Aluminum <input class="rq_radio" id="Iron" type="radio" value="Iron"> Iron <input class="rq_radio" id="Carbon" type="radio" value="Carbon"> Carbon
2. If a piece of metal wire is stretched, its resistance will -
<input class="rq_radio" id="increase" type="radio" value="increase"> increase <input class="rq_radio" id="decrease" type="radio" value="decrease"> decrease <input class="rq_radio" id="remain same" type="radio" value="remain same"> remain same <input class="rq_radio" id="none of above." type="radio" value="none of above."> none of above.
3. Time constant of an RC circuit increase, if the value of resistances is –
<input class="rq_radio" id="decreased" type="radio" value="decreased"> decreased <input class="rq_radio" id="increased" type="radio" value="increased"> increased <input class="rq_radio" id="neither (a) nor (b)" type="radio" value="neither (a) nor (b)"> neither (a) nor (b) <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
4. Which one of the following types of capacitor is polarized?
<input class="rq_radio" id="paper" type="radio" value="paper"> paper <input class="rq_radio" id="ceramic" type="radio" value="ceramic"> ceramic <input class="rq_radio" id="electrolytic" type="radio" value="electrolytic"> electrolytic <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
5. A capacitor rated at 275 v dc can be safely operated on 220v ac.
<input class="rq_radio" id="false" type="radio" value="false"> false <input class="rq_radio" id="true" type="radio" value="true"> true
6. Sparking occurs when a load is switched off because the circuit has high-
<input class="rq_radio" id="capacitance" type="radio" value="capacitance"> capacitance <input class="rq_radio" id="inductance" type="radio" value="inductance"> inductance <input class="rq_radio" id="resistance" type="radio" value="resistance"> resistance <input class="rq_radio" id="none of above " type="radio" value="none of above "> none of above
7. A moving coil voltmeter has a scale which is –
<input class="rq_radio" id="linear" type="radio" value="linear"> linear <input class="rq_radio" id="exponentially increasing" type="radio" value="exponentially increasing"> exponentially increasing <input class="rq_radio" id="exponentially decreasing." type="radio" value="exponentially decreasing."> exponentially decreasing. <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
8. A moving coil instrument can be used to measure-
<input class="rq_radio" id="ac" type="radio" value="ac"> ac <input class="rq_radio" id="dc" type="radio" value="dc"> dc <input class="rq_radio" id="low frequency a.c" type="radio" value="low frequency a.c"> low frequency a.c <input class="rq_radio" id="d.c and a.c " type="radio" value="d.c and a.c "> d.c and a.c
9. A good fuse will have –resistance.
<input class="rq_radio" id="large" type="radio" value="large"> large <input class="rq_radio" id="small" type="radio" value="small"> small <input class="rq_radio" id="zero" type="radio" value="zero"> zero <input class="rq_radio" id="none of above " type="radio" value="none of above "> none of above
10. Buchholz relay is used in ---protection
<input class="rq_radio" id="motor" type="radio" value="motor"> motor <input class="rq_radio" id="generator" type="radio" value="generator"> generator <input class="rq_radio" id="transformer" type="radio" value="transformer"> transformer <input class="rq_radio" id="Transmission Line" type="radio" value="Transmission Line"> Transmission Line
11. A device that changers one form of energy to another is called –
<input class="rq_radio" id="transducer" type="radio" value="transducer"> transducer <input class="rq_radio" id="rectifier" type="radio" value="rectifier"> rectifier <input class="rq_radio" id="oscillator" type="radio" value="oscillator"> oscillator <input class="rq_radio" id="resistance" type="radio" value="resistance"> resistance
12. The electric device which blocks dc but allows ac is called –
<input class="rq_radio" id="inductor" type="radio" value="inductor"> inductor <input class="rq_radio" id="capacitor" type="radio" value="capacitor"> capacitor <input class="rq_radio" id="transducer" type="radio" value="transducer"> transducer <input class="rq_radio" id="resistor" type="radio" value="resistor"> resistor
13. The power factor of a purely resistive circuit is –
<input class="rq_radio" id="zero " type="radio" value="zero "> zero <input class="rq_radio" id="unity" type="radio" value="unity"> unity <input class="rq_radio" id="leading" type="radio" value="leading"> leading <input class="rq_radio" id="lagging " type="radio" value="lagging "> lagging
14. Inductive reactance (XL ) can be easily measured by an ohm meter.
<input class="rq_radio" id="true" type="radio" value="true"> true <input class="rq_radio" id="false" type="radio" value="false"> false
15. In an ac circuit, a low value of KVAR compared with kw indicates-
<input class="rq_radio" id="high p.f " type="radio" value="high p.f "> high p.f <input class="rq_radio" id="low p.f " type="radio" value="low p.f "> low p.f <input class="rq_radio" id="unity p.f" type="radio" value="unity p.f"> unity p.f <input class="rq_radio" id="max. load current." type="radio" value="max. load current."> max. load current.
16. Charging current in a transmission line –
<input class="rq_radio" id="decrease line losses" type="radio" value="decrease line losses"> decrease line losses <input class="rq_radio" id="increases line losses" type="radio" value="increases line losses"> increases line losses <input class="rq_radio" id="increases line current" type="radio" value="increases line current"> increases line current <input class="rq_radio" id="none of above." type="radio" value="none of above."> none of above.
17. Which is the power transmission company in Bangladesh?
<input class="rq_radio" id="REB" type="radio" value="REB"> REB <input class="rq_radio" id="BPDB" type="radio" value="BPDB"> BPDB <input class="rq_radio" id="PGCB" type="radio" value="PGCB"> PGCB <input class="rq_radio" id="DESCO" type="radio" value="DESCO"> DESCO
18. All dc generators one basically ac generator.
<input class="rq_radio" id="true" type="radio" value="true"> true <input class="rq_radio" id="false" type="radio" value="false"> false
19. Armature reaction decrease with increase in armature current.
<input class="rq_radio" id="true" type="radio" value="true"> true <input class="rq_radio" id="false" type="radio" value="false"> false
20. The mechanical power developed by a dc motor is maximum when the back emf is-
<input class="rq_radio" id="equal to half of the applied voltage " type="radio" value="equal to half of the applied voltage "> equal to half of the applied voltage <input class="rq_radio" id="equal to applied voltage " type="radio" value="equal to applied voltage "> equal to applied voltage <input class="rq_radio" id="equal to twice of the applied voltage" type="radio" value="equal to twice of the applied voltage"> equal to twice of the applied voltage <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
21. In a dc motor , unidirectional torque is produced with the help of
<input class="rq_radio" id="commutator" type="radio" value="commutator"> commutator <input class="rq_radio" id="brushes" type="radio" value="brushes"> brushes <input class="rq_radio" id="both (a) and (b) " type="radio" value="both (a) and (b) "> both (a) and (b) <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
22. A transformer transforms-
<input class="rq_radio" id="frequency" type="radio" value="frequency"> frequency <input class="rq_radio" id="power" type="radio" value="power"> power <input class="rq_radio" id="current " type="radio" value="current "> current <input class="rq_radio" id="voltage" type="radio" value="voltage"> voltage
23. In an ideal transformer, the no-load primary current 10
<input class="rq_radio" id="lags behind V1 by 900 " type="radio" value="lags behind V1 by 900 "> lags behind V1 by 900 <input class="rq_radio" id="lead V1 by 900 " type="radio" value="lead V1 by 900 "> lead V1 by 900 <input class="rq_radio" id="is in phase with V1 " type="radio" value="is in phase with V1 "> is in phase with V1 <input class="rq_radio" id="none of above." type="radio" value="none of above."> none of above.
24. The transformer core is laminated –
<input class="rq_radio" id="to increase the main flux" type="radio" value="to increase the main flux"> to increase the main flux <input class="rq_radio" id="to reduce the eddy current loss" type="radio" value="to reduce the eddy current loss"> to reduce the eddy current loss <input class="rq_radio" id="to reduce the copper loss" type="radio" value="to reduce the copper loss"> to reduce the copper loss <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
25. If the air-gap of the induction motor is increased,its-
<input class="rq_radio" id="Magnetizing current will increase" type="radio" value="Magnetizing current will increase"> Magnetizing current will increase <input class="rq_radio" id="Magnetizing current will decrease" type="radio" value="Magnetizing current will decrease"> Magnetizing current will decrease <input class="rq_radio" id="power factor will decrease" type="radio" value="power factor will decrease"> power factor will decrease <input class="rq_radio" id="none of above" type="radio" value="none of above"> none of above
26. The speed with which magnetic field of am induction motor rotates is called –speed.
<input class="rq_radio" id="effective" type="radio" value="effective"> effective <input class="rq_radio" id="slip" type="radio" value="slip"> slip <input class="rq_radio" id="Synchronous" type="radio" value="Synchronous"> Synchronous <input class="rq_radio" id="shaft." type="radio" value="shaft."> shaft.
27. The rotating part of a single phase motor is called--
<input class="rq_radio" id="stater" type="radio" value="stater"> stater <input class="rq_radio" id="rotor " type="radio" value="rotor "> rotor <input class="rq_radio" id="running winding " type="radio" value="running winding "> running winding <input class="rq_radio" id="starting winding" type="radio" value="starting winding"> starting winding
28. The speed of universal motor is commonly reduced by using
<input class="rq_radio" id="gearing" type="radio" value="gearing"> gearing <input class="rq_radio" id="brakes" type="radio" value="brakes"> brakes <input class="rq_radio" id="chains" type="radio" value="chains"> chains <input class="rq_radio" id="belts." type="radio" value="belts."> belts.
29. Which of the following causes motor overheating?
<input class="rq_radio" id="over load " type="radio" value="over load "> over load <input class="rq_radio" id="shorted winding" type="radio" value="shorted winding"> shorted winding <input class="rq_radio" id="worn bearing" type="radio" value="worn bearing"> worn bearing <input class="rq_radio" id="all of above." type="radio" value="all of above."> all of above.
30. Electrical faults in a motor occurs most commonly in its –
<input class="rq_radio" id="brushes" type="radio" value="brushes"> brushes <input class="rq_radio" id="control equipment" type="radio" value="control equipment"> control equipment <input class="rq_radio" id="rotor winding" type="radio" value="rotor winding"> rotor winding <input class="rq_radio" id="commutator" type="radio" value="commutator"> commutator
31. Dampers is used in a large generator to –
<input class="rq_radio" id="reduce voltage fluctuations " type="radio" value="reduce voltage fluctuations "> reduce voltage fluctuations <input class="rq_radio" id="increase stability" type="radio" value="increase stability"> increase stability <input class="rq_radio" id="reduce frequency fluctuation" type="radio" value="reduce frequency fluctuation"> reduce frequency fluctuation <input class="rq_radio" id="increase p.f" type="radio" value="increase p.f"> increase p.f
32. When a PN junction is reverse biased, width of its depletion layer is –
<input class="rq_radio" id="increased" type="radio" value="increased"> increased <input class="rq_radio" id="decreased" type="radio" value="decreased"> decreased <input class="rq_radio" id="remain same" type="radio" value="remain same"> remain same <input class="rq_radio" id="None of above" type="radio" value="None of above"> None of above
33. Memory that loses its contents when power is lost is:
<input class="rq_radio" id="volatile" type="radio" value="volatile"> volatile <input class="rq_radio" id="nonvolatile" type="radio" value="nonvolatile"> nonvolatile <input class="rq_radio" id="random" type="radio" value="random"> random <input class="rq_radio" id="static" type="radio" value="static"> static
34. In “p” type material, minority carriers would be--
<input class="rq_radio" id="electrons" type="radio" value="electrons"> electrons <input class="rq_radio" id="holes" type="radio" value="holes"> holes <input class="rq_radio" id="None of above." type="radio" value="None of above."> None of above.
35. Which material may also be considered a semiconductor element?
<input class="rq_radio" id="Carbon" type="radio" value="Carbon"> Carbon <input class="rq_radio" id="Germanium" type="radio" value="Germanium"> Germanium <input class="rq_radio" id="Silicon" type="radio" value="Silicon"> Silicon <input class="rq_radio" id="all of above" type="radio" value="all of above"> all of above
36. ‘সকালে উঠিয়া আমি মনে মনে বলি,সারাদিন আমি যেন ভাল হয়ে চলি’-এ চরণদ্ধয়ের লেখক?
<input class="rq_radio" id="মদনমোহন তর্কালঙ্কার" type="radio" value="মদনমোহন তর্কালঙ্কার"> মদনমোহন তর্কালঙ্কার <input class="rq_radio" id="বঙ্কিমচন্দ্র চট্র্রোপাধ্যায়" type="radio" value="বঙ্কিমচন্দ্র চট্র্রোপাধ্যায়"> বঙ্কিমচন্দ্র চট্র্রোপাধ্যায় <input class="rq_radio" id="রবীন্দ্রনাথ ঠাকুর" type="radio" value="রবীন্দ্রনাথ ঠাকুর"> রবীন্দ্রনাথ ঠাকুর <input class="rq_radio" id="ফররুখ আহমদ" type="radio" value="ফররুখ আহমদ"> ফররুখ আহমদ
37. কয়টি জেলা নিয়ে দেশের ৮ম বিভাগ ময়মনসিংহ বিভাগ গঠিত?
<input class="rq_radio" id="৬" type="radio" value="৬"> ৬ <input class="rq_radio" id="৭" type="radio" value="৭"> ৭ <input class="rq_radio" id="৪" type="radio" value="৪"> ৪ <input class="rq_radio" id="৮" type="radio" value="৮"> ৮
38. বাংলাদেশ-ভারতের সমুদ্র সীমা নির্ধারণী মামলার রায় হয় কবে?
<input class="rq_radio" id="৭ জুলাই ২০১৪" type="radio" value="৭ জুলাই ২০১৪"> ৭ জুলাই ২০১৪ <input class="rq_radio" id="৭ জুলাই ২০১৫" type="radio" value="৭ জুলাই ২০১৫"> ৭ জুলাই ২০১৫ <input class="rq_radio" id="১১ জুলাই ২০১৪" type="radio" value="১১ জুলাই ২০১৪"> ১১ জুলাই ২০১৪ <input class="rq_radio" id="৭ জুলাই ২০১৩" type="radio" value="৭ জুলাই ২০১৩"> ৭ জুলাই ২০১৩
39. ওয়ারী বটেশ্বর কোথায় অবস্থিত?
<input class="rq_radio" id="সিলেটে" type="radio" value="সিলেটে"> সিলেটে <input class="rq_radio" id="কুস্টিয়ায়" type="radio" value="কুস্টিয়ায়"> কুস্টিয়ায় <input class="rq_radio" id="নরসিংদীতে" type="radio" value="নরসিংদীতে"> নরসিংদীতে <input class="rq_radio" id="ভোলায়" type="radio" value="ভোলায়"> ভোলায়
40. মানুষের শরীরে ক্রোমোজোমের সংখ্যা কত?
<input class="rq_radio" id="২৪ জোড়া" type="radio" value="২৪ জোড়া"> ২৪ জোড়া <input class="rq_radio" id="২৩ জোড়া" type="radio" value="২৩ জোড়া"> ২৩ জোড়া <input class="rq_radio" id="২৬ জোড়া" type="radio" value="২৬ জোড়া"> ২৬ জোড়া <input class="rq_radio" id="কোনটি নহে।" type="radio" value="কোনটি নহে।"> কোনটি নহে।
41. ‘Patent’ শব্দটির বাংলা পারিভাষিক শব্দ হলো—
<input class="rq_radio" id="পিতামাতা" type="radio" value="পিতামাতা"> পিতামাতা <input class="rq_radio" id="কৃতিস্বত্ব " type="radio" value="কৃতিস্বত্ব "> কৃতিস্বত্ব <input class="rq_radio" id="রোগী" type="radio" value="রোগী"> রোগী <input class="rq_radio" id="অংশ" type="radio" value="অংশ"> অংশ
42. The antonym for ‘Devoid’
<input class="rq_radio" id="suspecting" type="radio" value="suspecting"> suspecting <input class="rq_radio" id="evident " type="radio" value="evident "> evident <input class="rq_radio" id="full" type="radio" value="full"> full <input class="rq_radio" id="None of above." type="radio" value="None of above."> None of above.
43. I divided the money ___ the two children.
<input class="rq_radio" id="among" type="radio" value="among"> among <input class="rq_radio" id="between" type="radio" value="between"> between <input class="rq_radio" id="in between" type="radio" value="in between"> in between <input class="rq_radio" id="over" type="radio" value="over"> over
44. Which is the noun of the word ‘Beautiful’?
<input class="rq_radio" id="Beauty" type="radio" value="Beauty"> Beauty <input class="rq_radio" id="Beauteous." type="radio" value="Beauteous."> Beauteous. <input class="rq_radio" id="Beautifully" type="radio" value="Beautifully"> Beautifully <input class="rq_radio" id="Beautiful" type="radio" value="Beautiful"> Beautiful
45. বৃত্তের ব্যাস তিনগুন বৃদ্ধি পেলে ক্ষেত্রফল বৃদ্ধি পায়-
<input class="rq_radio" id="৪গুন" type="radio" value="৪গুন"> ৪গুন <input class="rq_radio" id="২গুন" type="radio" value="২গুন"> ২গুন <input class="rq_radio" id="৮গুন" type="radio" value="৮গুন"> ৮গুন <input class="rq_radio" id="৯গুন" type="radio" value="৯গুন"> ৯গুন
46. ৫০০ টাকার ৪ বছরের সুদ এবং ৬০০ টাকার ৫ বছরের সুদ একত্রে ৫০০ টাকা হলে, সুদের হার কত?
<input class="rq_radio" id="৬%" type="radio" value="৬%"> ৬% <input class="rq_radio" id="১০%" type="radio" value="১০%"> ১০% <input class="rq_radio" id="১১%" type="radio" value="১১%"> ১১% <input class="rq_radio" id="১২%" type="radio" value="১২%"> ১২%
47. ১, ৩, ৬, ১০, ১৫, ২১...ধারাটির নবম পদ কত?
<input class="rq_radio" id="৩৬" type="radio" value="৩৬"> ৩৬ <input class="rq_radio" id="৪৫" type="radio" value="৪৫"> ৪৫ <input class="rq_radio" id="৫৫" type="radio" value="৫৫"> ৫৫ <input class="rq_radio" id="৬৬" type="radio" value="৬৬"> ৬৬
48. ‘নিরানব্বইয়ের ধাক্কা’ বাগ্ধারাটির অর্থ—
<input class="rq_radio" id="সঞ্চয়ের প্রবৃত্তি " type="radio" value="সঞ্চয়ের প্রবৃত্তি "> সঞ্চয়ের প্রবৃত্তি <input class="rq_radio" id="তীরে পৌঁছার ঝক্কি " type="radio" value="তীরে পৌঁছার ঝক্কি "> তীরে পৌঁছার ঝক্কি <input class="rq_radio" id="আসন্ন বিপদ " type="radio" value="আসন্ন বিপদ "> আসন্ন বিপদ <input class="rq_radio" id="মুমূর্ষু অবস্থা " type="radio" value="মুমূর্ষু অবস্থা "> মুমূর্ষু অবস্থা
49. ‘কার্তুজ’ কোন ভাষার শব্দ?
<input class="rq_radio" id="ফরাসি " type="radio" value="ফরাসি "> ফরাসি <input class="rq_radio" id="আরবি" type="radio" value="আরবি"> আরবি <input class="rq_radio" id="গুজরাট" type="radio" value="গুজরাট"> গুজরাট <input class="rq_radio" id="ইংরেজি" type="radio" value="ইংরেজি"> ইংরেজি
50. 'গৃহ' এর সমার্থক শব্দ নয় কোনটি?
<input class="rq_radio" id="অলয়" type="radio" value="অলয়"> অলয় <input class="rq_radio" id="নিবাস" type="radio" value="নিবাস"> নিবাস <input class="rq_radio" id="ভবন" type="radio" value="ভবন"> ভবন <input class="rq_radio" id="ঘর" type="radio" value="ঘর"> ঘর Answer Sheet: 1D, 2A, 3B, 4C, 5A, 6B, 7A, 8B, 9B, 10C, 11A, 12B, 13B, 14B,
15A, 16B, 17C, 18A, 19B, 20A, 21C, 22B, 23A, 24B, 25A, 26C, 27B, 28A,
29D, 30B, 31B, 32A, 33A, 34A, 35D, 36A, 37C, 38A, 39C, 40B, 41B, 42C,
43B, 44A, 45D, 46B, 47B, 48A, 49D, 50A
