This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Design of Fan”. 1. What is the formula for the fundamental relationship for the design of the ventilation system? a) head of air inside the machine = hydrodynamic resistance * volume of air passing2 b) head of air inside the … Read more
This set of Design of Electrical Machines Questions and Answers for Aptitude test focuses on “Bracing of Rotor Windings”. 1. What is the use of the wire bands of rotor? a) used for bracing the rotor windings b) used for circulating the current in the rotor windings c) used for the encircling of the rotor … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Frames of D.C. & A.C. Machines”. 1. What is the work of the frame of dc machines? a) to reduce the voltage b) to reduce the flux c) to carry the flux d) to carry the current 2. Why is … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Bearings”. 1. What bearing is made use of in the horizontal shaft machines? a) plain bearing b) thrust bearing c) push bearing d) throw bearing 2. What is the plain bearing used? a) sleeve bearings b) anti friction bearing c) … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Design of Shaft”. 1. What is the consideration for the determination of the diameter of shaft? a) stiffness b) voltage c) current d) rigidity 2. What is the meaning of stiffness? a) ability to transmit the power b) ability to … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Turns Compensation”. 1. What is the use of the turns compensation in current transformer? a) to increases the ratio error b) to reduce the ratio error c) to increase the phase angle error d) to reduce the phase angle error … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Design Principles”. 1. How many design principles are present in the current transformers? a) 2 b) 3 c) 4 d) 5 2. What should be done in order to reduce the errors in the core? a) armature mmf is to … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Current Transformers Construction”. 1. How many types are the current transformers classified into? a) 2 b) 3 c) 4 d) 5 2. What is the wound type current transformer? a) primary winding having one full turn wound on core b) … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Errors”. 1. What is the definition of current transformer? a) it is used for measuring high voltage b) it is used for measuring low voltage c) it is used for measuring high current d) it is used for measuring low … Read more
This set of Design of Electrical Machines Multiple Choice Questions & Answers (MCQs) focuses on “Design of Magnet Coils”. 1. What is the formula for the mean diameter of the magnet coils? a) mean diameter = inside diameter of coil + outer diameter of coil / 2 b) mean diameter = inside diameter of coil … Read more
