Solid State Controlled Drives MCQ 1. RLE load is a voltage stiff load. A. True B. False 2. In a Half-wave uncontrolled rectifier calculate the average value of the voltage if the supply is 23sin(50t). A. 7.32 V B. 8.32 V C. 9.32 V D. 7.60 V 3. In a Half-wave controlled rectifier …
1. The Hall effect sensor is used as the rotor position sensor for the BLDC motor. A. True B. False 2. In BLDC motor armature windings are placed on the stator side. A. True B. False 3. BLDC motor is analogous to ______________ A. Permanent magnet synchronous motor B. DC motor C. Rotating …
1. Reluctance motors are singly-excited. A. True B. False 2. Reluctance motor can operate on DC supply. A. True B. False 3. An infinite bus-bar has _____________ A. Constant voltage B. Constant frequency C. Constant voltage and frequency D. constant speed 4. Calculate the value of the Input power factor for a …
1. Calculate the output frequency for the two-pulse converter if the supply frequency is 20 Hz. A. 40 Hz B. 20 Hz C. 60 Hz D. 90 Hz 2. Calculate the pulse number if the supply frequency is 2π and the output frequency is π÷3. A. 4 B. 2 C. 6 D. 8 …
1. Calculate the output frequency for the two-pulse converter if the supply frequency is 20 Hz. A. 40 Hz B. 20 Hz C. 60 Hz D. 90 Hz 2. Calculate the pulse number if the supply frequency is 2π and the output frequency is π÷3. A. 4 B. 2 C. 6 D. 8 …
1. RLE load is a voltage stiff load. A. True B. False 2. In a Half-wave uncontrolled rectifier calculate the average value of the voltage if the supply is 23sin(50t). A. 7.32 V B. 8.32 V C. 9.32 V D. 7.60 V 3. In a Half-wave controlled rectifier calculate the average value of …
1. RLE load is a voltage stiff load. A. True B. False 2. In a Half-wave uncontrolled rectifier calculate the average value of the voltage if the supply is 23sin(50t). A. 7.32 V B. 8.32 V C. 9.32 V D. 7.60 V 3. In a Half-wave controlled rectifier calculate the average value of …
1. Iron losses that occur in the machine are variable losses. A. True B. False 2. Which of the following are the classes of insulating material in electrical machines? A. Γ, A, E, F, H, C B. Γ, E, B, F, H, C C. A, E, B, F, H, C D. Γ, A, E, …
Rating Of Motor MCQ [Free PDF] – Objective Question Answer for Rating Of Motor Quiz Read More »
Heating of Motor MCQ 1. Iron losses that occur in the machine are variable losses. A. True B. False 2. Which of the following are the classes of insulating material in electrical machines? A. Γ, A, E, F, H, C B. Γ, E, B, F, H, C C. A, E, B, F, H, …
Heating of Motor MCQ [Free PDF] – Objective Question Answer for Heating of Motor Quiz Read More »
1. Which test is used to determine the conditions where electric motors are being used? A. Thermography B. Geography C. Seismography D. Anthropology 2. What is the range of size of the motor (kW) for efficiency nearly equals 90%? A. 15-150 B. 0-2 C. 3-15 D. 150-250 3. Calculate the heat loss in …
