Cylindrical rotor alternators have mcq
WebA cylindrical rotor alternator has a comparatively long axial length and a small diameter. The other names of the cylindrical rotor alternators are turbo-alternators or turbo-generators. They are always installed in a horizontal configuration. The followings are the features of the cylindrical rotor. WebCylindrical rotor alternators have a) Large length to diameter ratio b) Small length to diameter ratio c) Vertical configuration d) None of these Ans: (a) 25. In an alternator, the …
Cylindrical rotor alternators have mcq
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WebIn this MCQ you can learn and practice Cylindrical Rotor Alternator objective quiz questions to test your knowledge on electrical machines. … Webused for low-speed alternators. Used for high-speed turbo-alternators. Has projecting poles. Has no projecting poles. Needs damper windings. Do not need damper windings. …
WebAug 19, 2024 · Home alternator MCQ Alternator Objective Questions With Explanation Part-1 August 19, 2024 1. The speed of a 4-pole 60 Hz synchronous machine will be A. 1800 r.p.m. B. 2400 r.p.m. C. 3000 r.p.m. D. 3600 r.p.m. Answer: A. 1800 r.p.m. Explanation: In a synchronous machine, Frequency, fs = 60 Hz Number of poles = 4 … WebAug 19, 2024 · Home alternator MCQ Alternator Objective Questions With Explanation Part-1 August 19, 2024 1. The speed of a 4-pole 60 Hz synchronous machine will be A. …
Web20. The synchronous motor meets increase in load by taking more armature current as. (a) the rotor pole falls back relative to the stator pole causing an increase in motor current. (b) the back emf decreases causing an increase in motor current. (c) rotating field is strengthened causing an increase in motor current. WebFeb 24, 2012 · Now let us derive various equations for the power flow the cylindrical rotor alternator. In order to derive various power equation for an alternator let us substitute voltage source E 1 equal to the excitation voltage (E f), voltage source E 2 equals to the terminal voltage (V t), inductive impedance of the above circuit equals to synchronous …
WebThis type of Rotor is used for steam-driven alternator i.e turbo alternator which runs at very high speed. The Rotor is made up of smooth solid forgings of alloy steel cylinder having the number of slots along the outer periphery. The field windings of cylindrical type rotor are connected in series to the slip rings through which they are excited by the DC …
WebDec 10, 2024 · Rotor. There are two types of rotor, smooth cylindrical type and salient pole type. Smooth Cylindrical type alternator. The rotor consists of a smooth solid steel cylinder, having a number of slots along its outer periphery for hosting the field coils. They do not have projected poles, instead, it has a uniform length in all directions, giving a … high definition audio 39WebOn the other hand, cylindrical rotors are used for turbo alternators running at high speed as 3600 RPM or 1800 RPM. ④ Alternators are also called Synchronous generators … high definition audio bus что этоWebAug 3, 2024 · Difference between Cylindrical Rotor and Salient Pole Rotor Synchronous Generator - A synchronous generator, also called alternator, is a most widely used … how fast does a 100cc bike goWebJun 12, 2015 · Smooth Cylindrical Type Rotor - Synchronous Generator - MCQs with answers Q1. The diameter and axial length of rotors of smooth cylindrical type rotors are a. Small diameter, small axial length b. Large diameter, large axial length c. Large diameter, small axial length d. Small diameter, large axial length View Answer / Hide Answer Q2. high definition audio 장치 드라이버 윈도우11WebJun 6, 2024 · A cylindrical synchronous machine connected to an infinite bus power will deliver maximum power at a power angle of δ = 0° δ = 90° δ = 45° δ = 30° Show Explanation Ques 64. The maximum power developed in a cylindrical synchronous machine depends on the Load angle Synchronous reactance Excitation Both 2 and 3 … how fast does a 1/4 oz jig sinkWebFeb 6, 2024 · Smooth Cylindrical type rotor is generally used for high-speed alternators or turbo-alternators. This is because: These rotors have small diameter and long axial … high-definition audioWebMCQs on Synchronous Motor 1. Synchronous motors generally have salient pole rotor smooth cylindrical rotor either the salient pole rotor or smooth cylindrical rotor none of the above Correct Answer 2. Number of slip rings in a 3-phase synchronous motor will be 0 1 2 3 or 4 Correct Answer 3. how fast does a 150cc 4 stroke dirt bike go