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MCQ
5721. One tone of refrigeration (ITR) means that the heat removing capacity is-
21 kJ/min
210 kJ/min
420 kJ/min
620 kJ/min
5722. What is IPP in power sector?
Intellectual Property Protection
Individual Program Plan
Innovative Partnerships Program
Independent Power Producer
ব্যাখ্যা: Independent Power Producers (IPP) are private entities which own and or operate facilities to generate electricity and then sell it to a utility, central government buyer and end users.
5723. How many PBSs are there under BREB?
77
78
75
None
5724. Rooppur Nuclear Power Plant is built by:
Russian Rosatom State Atomic Energy Corporation
Inter RAO UES, Russia
OMZ, Russia
Atomflot. Russia
ব্যাখ্যা: The Rooppur Nuclear power plant is buit by the "Russian Rosatom state Atomic Energy corporation"
5725. What is the power required by a pump to draw 10 liters of water to a height of 10 meters, every second?
980kW
980W
100kW
980kW
5726. একটি ৪-পোল 250 কন্ডাক্টর, ল্যাপ উন্ড ডিসি জেনারেটরে উৎপন্ন ভোল্টেজ 200 ভোল্ট যদি প্রতি পোলে ফ্লাক্স 4 × 10° লাইনস্ হয়, তবে জেনারেটরটির গতিবেগ হবে-
1000 г.р.т
1200 r.p.m
1500 r.p.m
2000 r.p.m
5727. The largest Combined Cycle Power Plant is located at--
Bhola
Bheramara
Sirajganj
Bibiyana
5728. What is the approximate number of consumers (crore) under BREB?
35.51
2.40
2.70
2.80
5729. একটি 4-পোল, 1200 আর.পি.এম. ল্যাপ উন্ড ডিসি জেনারেটরের 700টি কন্ডাক্টর আছে এবং এর প্রতি পোলে ফ্লাক্স 0.02 ওয়েবার হলে উৎপাদিত ই.এম.এফ হবে-
280V
300V
480V
560V
Eg = QZN/60 × P /A = 0.02×700×1200/ 60 × 4/4 = 280V
5730. একটি 4-পোল, 300 কন্ডাক্টর, ল্যাপ উন্ড ডিসি জেনারেটর। 1000 আর.পি.এম. গতিবেগে ঘুরছে। যদি প্রতি পোলে ফ্লাক্স 0.05 ওয়েবার হয়, তবে জেনারেটরটিতে উৎপন্ন ভোল্টেজ হবে-
200V
230V
250V
260V
5731. The transfer of heat by molecular collision is known as-
conduction
radiation
convection
none of these
ব্যাখ্যা: When a fluid, such as air or liquid, is heated and then travels away from the source, it carries the thermal energy along. This type of heat transfer is called convection.
5732. কিলোওয়াট-আওয়ারের সাথে কিলোওয়াটকে গ্রাফে প্লট করলে যে কার্ড হয় তা হচ্ছে-
ইন্টিগ্রেটেড লোড কার্ড
বাস্তব লোড কার্ড
আদর্শ লোড কার্ড
ডিউরেশন লোড কার্ড
5733. SCADA has started functioning with:
34 Sub-Stations within Chattogram zone
18 Sub-Stations within Sylhet zone
32 Sub-Stations within Rajshahi zone
All of the above
ব্যাখ্যা: SCADA means Supervisory Control and Data Acquisition. It refers to the control system of the industry which is a computer system which controls and monitors a process. It stated functioning in Chattogram zone
5734. Which one of the following companies is not Generation Company?
APSCL
RPCL
NWZPGC
PGCB
ব্যাখ্যা: Generation: Bangladesh Power Development Board (BPDB) Ashuganj Power Station Company Lad (APSCL) Electricity Generation Company of Bangladesh (EGCB) North-West Power Generation Company Lid (NWPGCL) Independent Power Producers (IPPs) Transmission: Power Grid Company of Bangladesh Ltd. (PGCB) Distribution: Bangladesh Power Development Board (BPDB) Dhaka Power Distribution Company (DPDC) Dhaka Electric Supply Company Lad.(DESCO) West Zone Power Distribution Company(WZPDC) Rural Electrification Board (REB) through Rural Co-operatives. Northern Electricity Supply Company Limited (NESCO)
5735. Load factor of a power station is defined as-
average load/maximum load
maximum load/average load
average load/connected load
more of the above
5736. An impulse turbine is used for-
low head of water
high head of water
medium head of water
high discharge
ব্যাখ্যা: An impulse turbine is used for high head hydroelectric power plants
5737. What is the highest installed capacity of Bangladesh by the type of Fuel?
Hydro
Natural Gas
Coal
Furnace Oil
5738. If the daily load curve is divided by 24, what does this curve represent?
Average load for the day
Maximum demand
Connected load
Demand factor
5739. Reactors are connected with the system--
in series
in parallel
in series-parallel
none of the above
5740. The diversity factor is always-
equal to 1
greater than I
less than 1
none