About ENGINEERING
Following are some of the multiple choice questions on the POWER-GENERATOR with answers that will help the students in developing their knowledge.
(1)A______is a group of cells that generates electric energy from their internal chemical reaction
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(2)Which of the following is the main function of a battery?
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(3)Volt is a unit of ______
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(4)A transformer will work on
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(5)In a chemical cell current is the movement of
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(6)What is the nominal output of an automotive battery having six lead acid cells in series?
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(7)The speed of a dc motor is
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(8)low speed alternators are driven by
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(9)High speed alternators are driven by
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(10)The common 9v flat battery for transistor radio has_______cells connected ins series
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(11)For the same rating, the size of low speed alternator is_________that of high speed alternator
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(12)Which of the following is not a secondary cell?
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(13)Which of the following is not a primary cell?
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(14)The brush voltage drop in a dc machine is about
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(15)Carbon brushes are used in a dc machine because
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(16)considered as the main types of battery
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(17)Which of the following is the main function of a dc motor?
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(18)Which motor has the best speed regulation?
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(19)A method of converting chemical energy into electric energy by dissolving two different conducting materials in an electrolyte
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(20)A commutatively compounded motor does not run at dangerous speed at light loads because of the presence of
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(21)DC shunt motors are used in those applications where is required
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(22)Galvanic cell is the other name of
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(23)For the same rating motor has the highest staring torque
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(24)The voltage regulation of an alternator with a power factor of 0.8 lagging is at unity power factor