Recent questions tagged star

Description : Is the moon a star?

Last Answer : Are you serious?!?

Description : What are planets and moons made of? 

Last Answer : Scientists think that the planets and their moons were made from the same gas cloud that formed the Sun.

Description : What is the Solar System made up of?

Last Answer : The Sun and all the planets and moons make up the Solar System. (The Sun and all the planets, satellites, asteroids, meteors, and comets that are subject to its gravitational pull)

Description : What are planets?

Last Answer : Bodies that go around the Sun are called planets. (An astronomical object that orbits a star and does not shine with its own light)

Description : What is a galaxy?

Last Answer : An island of stars spinning through space is called a galaxy.  

Description : What are nebulae?

Last Answer : Nebulae are the clouds of gas and dust in space. These clouds are called nebulae. 

Description : How to Find the North Star

Last Answer : How to Find the North Star Survival tips always remind us of looking for the north star to help orient ourselves. Knowing which way we're going is always helpful when you're lost in the wilderness. Many ... Star. The third star that you hit when running a line from the Big Dipper is the North Star.

Description : How to Throw a Ninja Star

Last Answer : How to Throw a Ninja Star The shinobi(ninja) has many tools that can be used to neutralize or even kill an enemy. Even the simplest-looking tools can be used as lethal and effective weapons. The shuriken, ... time for you to learn how to make a ninja costume, so that you'll be ready for battle.

Description : How to Do a Shooting Star Press

Last Answer : How to Do a Shooting Star Press Professional wrestling is a spectacular sport that involves a lot of athleticism and finesse. High-flying moves done from the top rope make up a lot of the ... this move and perform it safely before you can include it in your repertoire of wrestling maneuvers.

Description : State the needs and benefits of star labelling. 

Last Answer : Needs of star labelling: * Star labelling is meanly required to recognize quality of product * Star labelling is also required to determine life and efficiency of the product. * Star labels ... emission and air pollution will be reduces. 5. Market efficiency and compilation will be improve. 

Description : Delta to Star Conversion Example

Last Answer : Delta to Star Conversion Example

Description : Wye (Star) to Delta Conversion

Last Answer : Wye (Star) to Delta Conversion

Description : Star to delta conversion examples

Last Answer : Star to delta conversion example 1

Description : Compare star and Delta Connection.

Last Answer : Compare Star and Delta connected system:  Star connected system Delta connected system   In STAR connection, the starting or finishing ends (Similar ends) of three coils are connected together to form the ... VPH Line Current is √3 times of Phase Current. i.e. IL = √3 IPH

Description : Write the relation between phase and line current, phase and line voltage for Star connection.

Last Answer : Line voltage is equal to root three times of phase voltage and line and phase currents are equal in star connection

Description : Three identical resistors connected in star consume 5000 W. If the resistors are connected in delta across the same supply, the power consumed will be

Last Answer : Three identical resistors connected in star consume 5000 W. If the resistors are connected in delta across the same supply, the power consumed will be 15000 W

Description : A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is :

Last Answer : A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is : 200 V

Description : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then  (A) zero sequence currents are present on both sides of the transformer  (B) ... side  (D) zero sequence currents are present on the primary side but not on the secondary side

Last Answer : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then zero sequence currents are absent on both sides of the transformer 

Description : What is difference between Star and Delta Connection?

Last Answer : Star is        1. Open ckt       2. At center point present  neutral   Delta is     1.   Closed ckt 2.      Neutral not present in this case