Engineering, 07.01.2021 20:10 paaaaaaapi
The big bang theory is used to explain the origins of the universe. Why is this called a theory and not a law?
Laws are educated guesses, where as theories are based on evidence
Laws are for only two events that have happened on earth, not in outer space
The big bang theory is a theory because it is widely excepted around the world.
The big bang theory is a theory because it uses evidence to explain how the natural world works.
Answers: 1
Engineering, 03.07.2019 14:10
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
Answers: 3
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
Answers: 2
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
The big bang theory is used to explain the origins of the universe. Why is this called a theory and...
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