Posts

What are the ways development, globalization and overpopulation are connected with the Climate change?

Image
  What are the ways development, globalization and overpopulation are connected with the Climate change? The earth is estimated to be 4.5 billion years old. In this age earth has faced many climate changes. Even the climate has changed so many times before humans. Earth’s climate changes naturally, it has been a snowball and a hothouse at different times in its past. But the current global warming is occurring roughly ten times faster than the average rate of ice-age-recovery warming. It is occurring because of the level of carbon dioxide and other greenhouse gases in the atmosphere. Humans have added a tremendous amount of carbon dioxide to the atmosphere. And this carbon dioxide has caused climate change, as carbon dioxide is a long-lasting greenhouse gas that blocks heat that tries to rise off the planet. And development, globalization and overpopulation are all connected with climate change. Firstly, there are many unsustainable development practices responsible for triggering ...

A single-phase, induction motor has stator windings in space quadrature and is supplied with a single- phase voltage of 200 V at 50 Hz. The standstill impedance of the main winding is (5.2 +j10.1) ohm and of the auxiliary winding is (19.7 +j14.2) ohm. Find the value of capacitance to be inserted in the auxiliary winding for maximum starting torque.

Image
Question: A single-phase, induction motor has stator windings in space quadrature and is supplied with a single- phase voltage of 200 V at 50 Hz. The standstill impedance of the main winding is (5.2 +j10.1) ohm and of the auxiliary winding is (19.7 +j14.2) ohm. Find the value of capacitance to be inserted in the auxiliary winding for maximum starting torque. Answer:

5. A4-pole, 3-phase, 50 Hz induction motor has a voltage between slip-rings on open-circuit of 520 V. The star-connected rotor has a standstill reactance and resistance of 2.0 and 0.4 ohm. per phase respectively. Determine: (a) the full-load torque if full-load speed is 1,425 r.p.m. (b) the ratio of starting torque to full-load torque (c) the additional rotor resistance required to give maximum torque at standstill.

Image
 5. A4-pole, 3-phase, 50 Hz induction motor has a voltage between slip-rings on open-circuit of 520 V. The star-connected rotor has a standstill reactance and resistance of 2.0 and 0.4 ohm. per phase respectively. Determine: (a) the full-load torque if full-load speed is 1,425 r.p.m. (b) the ratio of starting torque to full-load torque (c) the additional rotor resistance required to give maximum torque at standstill.

Physical Classroom is Better than Attending Class in Google Meet

Image
 Physical Classroom is Better than Attending Class in Google Meet  Outline:  For (supporting ideas): 1. Better student teacher interaction.   2. Best way to make new friends. 3. Hands-on training. Against (supporting ideas): 1. Can’t get class recordings.   2. Can’t do household chores during class. 3. Some students need to travel a long way to attend a class. Introduction: Thesis statement: I think physical classroom is better than attending class in google meet because the interaction between student and teacher is better in physical classroom rather than google meet and physical classroom is the best way to make new friends. Logic reason 1: Better student teacher interaction. Topic sentence: Firstly, the interaction between student and teacher is better in the physical classroom rather than google meet because there are no technical issues, a student can receive knowledge from an actual person and can concentrate easily. Supporting details:  ...

Online Class Vs Physical Class

Image
 Online Class Vs Physical Class Outline: Introduction: Thesis Statement:  The main differences between online class and physical class is the platforms and the regular student teacher interaction but the pleasure before the exams are the same. Difference 1: Platforms  Topic Sentence: Regular physical classes mainly take place in educational institutions on the other hand online classes mainly take place in a virtual classroom through the internet. Supporting Details: 1. Educational institutions.                                    2. Internet.                                    3. Virtual classroom. Difference 2: Student teacher interaction Topic Sentence: The interaction between student and teacher is not same in the online classes as physical classes because students lost their concentration ...

The Road in Front of East West University

Image
The Road in Front of East West University Outline: Introduction : Thesis Statement : The road in front of East West University is a two lane based lengthy road where people have some shops and restaurants beside the footpaths of the road and many bullet-wood trees at the middle of the two lanes. Body Paragraph 1 Topic Sentence : The road in front of East West University is a very lengthy road which has two lanes but there is no traffic control. Supporting Details : 1. Two lanes. 2. Very lengthy. 3. No traffic control. Body Paragraph 2 Topic Sentence : There are some shops and restaurants beside the road’s footpath. Supporting Details : 1. Book shops. 2. Photocopy studios. 3. Restaurants.                               Body Paragraph 3 Topic Sentence : There are many bullet-wood trees at the middle of the two lanes  where many small temporary st...

The Turning point (from the book of "1971 A Global History of the Creation of Bangladesh")

Image
  The Turning Point The main theme of this chapter is the turning point of Pakistan. It is mostly about how the whole pakistan; East Pakistan and West Pakistan was turning it's back from the military dictatorship of Ayub Khan. During the Ayub regime the government of pakistan was not a constitutional type of government and the people of pakistan had enough with the Ayub regime. That's why the people of Pakistan; both East Pakistan and West Pakistan was turning it's back from the military regime. Ayub Khan came into power in 1958. After coming into power Ayub Khan immediately brought charges of corruption and nepotism against politicians, high officials and rich businessmen. In 1959 he promulgated two orders EBDO and PODO. Under EBDO many politicians from West Pakistan and East Pakistan lost the right to engage in politics. Literally, Ayub Khan banned all politicians and political parties from the whole Pakistan. In 1959 he introduced a new political system known as Basic De...