DC Generator

1. The dummy coils in DC machines are used for Increase the efficiency Improving commutation Reducing cost of machine Maintaining mechanical balance   2. ______ is used as the power source in electric arc welding. DC Series generator Differentially wound compound generator Separately excited DC generator Cumulative compound DC generator   3. The pole pitch …

Types of DC Generator MCQ || Types of DC generator Questions and Answers Read More »

1. The dummy coils in DC machines are used for Increase the efficiency Improving commutation Reducing cost of machine Maintaining mechanical balance   2. ______ is used as the power source in electric arc welding. DC Series generator Differentially wound compound generator Separately excited DC generator Cumulative compound DC generator   3. The pole pitch …

DC Generator Uses and Application MCQ || DC Generator Application Questions and Answers Read More »

1. The nature of emf induced in the armature of a dc generator is _____ and it is converted into _____ by means of split rings. DC : AC AC : AC DC : DC AC : DC   2. A dc shunt generator has a critical field resistance of 400 Ω at 1200 rpm. …

DC Generator Principle MCQ || DC Generator Principle Questions and Answers Read More »

1. In lap winding of a P pole dc machine, the number of brushes are equal to 2 4 P 2P   2. The winding where dummy coils are used is sometimes called as Duplex winding Triplex winding Forced winding None of these   3. In armature winding the distance between the segments to which …

DC Generator Winding MCQ || DC Generator Winding Questions and Answers Read More »

1. Which of the following machines do NOT use equalizer rings? 4-pole duplex wave-wound DC machine 6-pole simplex lap-wound DC machine 4-pole simplex wave-wound DC machine 4-pole simplex lap-wound DC machine   2.  ________ is used for neutralizing armature reaction while inter pole winding is used for improving commutation. Armature winding Field Winding Pole Shoe …

DC Generator Construction MCQ || DC Generator Construction Questions and Answers Read More »

1.  DC generator Losses occur while converting ______ Electrical energy to Mechanical Energy Mechanical energy to Electrical Energy Electrical Energy to Heat Energy Heat Energy to Mechanical Energy   2. Which of the following could be lamina-proximately the thickness of laminations of a D. C. machine? 0.005 mm 0.05 mm 0.5 mm 5 mm   …

DC Generator Losses MCQ || DC Generator Losses Questions and Answers Read More »

1. For connecting two generators in parallel, they should have _________ Same current rating Same ohmic rating Same voltage rating All ratings must be same   2. Two DC shunt generator is connected in parallel to deliver a load current of 240 A. The ratings of both the generators are being given as 80 kW, …

Parallel Operation of DC Generators MCQ || Parallel Operation of DC Generators Questions and Answers Read More »

1. Which of the following characteristics reveal about the magnetization nature of the DC Generator? No-load characteristics Load characteristics Armature characteristics Both no-load and load characteristics   2. To determine the relation between different quantities of a DC generator the Important Characteristics of DC generator are No-Load Characteristics External Characteristics Internal Characteristics All of the …

Operating Characteristics of DC Generator MCQ || DC Generator Operating Characteristics Questions and Answers Read More »

1. Which of the following characteristics reveal about the magnetization nature of the DC Generator? No-load characteristics Load characteristics Armature characteristics Both no-load and load characteristics   2. To determine the relation between different quantities of a DC generator the Important Characteristics of DC generator are No-Load Characteristics External Characteristics Internal Characteristics All of the …

DC Generator Characteristics MCQ || DC Generator Characteristics Questions and Answers Read More »