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Organic Light Emitting Diodes (OLEDs) are used to create digital displays in many devices. What are the advantages of OLED displays over Liquid Crystals displays? 1. OLED displays can be fabricated on flexible plastic substrates. 2. Roll-up displays embedded in clothing can be made using OLEDs. 3. Transparent displays are possible using OLEDs. Select the correct answer using the code given below:
With reference to the mobile phones, how do AMOLED (active-matrix organic light-emitting diode) displays differ from LCD (liquid crystal display) displays? 1. The colours are very sharp and vibrant with the AMOLED displays as compared to the LCD display.  2. In battery consumption, AMOLED displays efficiency is far ahead compared to the LCD display. 3. Most AMOLED display phones always cost more than LCD phones. Which of the above statements is/are correct?
Two centrifugal pumps P and R are available for use in a pipe flow system and their head-discharge characteristics are as follows. Pump P Pump R Discharge (cumecs) Head (m) Discharge (cumecs) Head (m) 0 40 0 45 0.12 35 0.14 40 0.2 28 0.24 35 0.3 18 0.3 28   The following statements (S1, S2, and S3) pertain to the head and discharge values during actual operation. Neglect losses in the system. Which of the following statements are correct? S1: When the two pumps P and R are connected in parallel, the discharge is 0.36 cumecs corresponding to a head of 35 m. S2: When the two pumps P and R are connected in parallel, the discharge is 0.36 cumecs corresponding to a head of 70 m. S3: When the two pumps P and R are connected in series, the discharge is 0.3 cumecs corresponding to a head of 46 m.
To inform people regarding the importance of international civil aviation organizations the International Civil Aviation Day is celebrated on 7 December every year, what is the theme for International Civil Aviation Day in 2021?
In the following question, three statements and two conclusions are given. Read the conclusions and decide which of the conclusions logically follows from the statements. Statements: Some screens are displays. All monitors are displays. All monitors are boxes. Conclusion: 1. Some displays are boxes. 2. Some monitors are screens.
Which one of the following four addresses is NOT EXACTLY the same as the one given below? Robert S Ingram 1998 Revocable 8 Shaftsbury Ln Hilton Head Island, SC 29926 (843) 342­7094 (i) Robert S Ingram 1998 Revocable 8 Shaftsbury Ln Hilton Head Island, SC 29926 (843) 342­7094 (ii) Robert S Ingram 1998 Revocable 8 Shaftsbury Ln Hilton Head Island, SC 29926 (843) 342­7094 (iii) Robert S Ingram 1998 Revocable 8 Shaftsbary Ln Hilton Head Island, SC 29926 (843) 342­7094 (iv) Robert S Ingram 1998 Revocable 8 Shaftsbury Ln Hilton Head Island, SC 29926 (843) 342­7094
In a survey of 900 students, 400 students were interviewed in TCS, 310 students were interviewed in IBM and 470 students were interviewed in Infosys. Also, 110 students were interviewed in both TCS and IBM, 80 students were interviewed in both IBM and Infosys and 140 students were interviewed in both TCS and Infosys. If 50 students were interviewed in all three companies. Then, how many students were interviewed in only TCS?
Engines are rated at specified conditions. Then which of the following statements are correct? 1. Power developed increases as local temperature increases. 2. Power developed increases as local temperature decreases 3. Power developed is not dependent on local temperature. 4. Power developed increases as local atmospheric pressure increases. 5. Power developed increases as local atmospheric pressure decreases.
Who among the following has been elected as the first woman chairperson of the International Civil Aviation Organization Aviation Security committee?
In a bid to improve the aviation services and to deal with the challenges the sector faces, the Ministry of Civil Aviation on July 21, 2021, formed three advisory groups. It will work under whom?