# Electric Drive MCQ

## Determination of Moment of Inertia of Electrical Machines MCQ

1. What is the formula for the moment of inertia? (m – a mass of the body, r – distance from the axis of the rotation) A. ∑miri2 B. ∑miri C. ∑miri4 D. ∑miri3   2. The generated e.m.f from 50-pole armature having 400 conductors driven at 20 rev/sec having flux per pole as 30 …

## Determination of Moment of Inertia MCQ [Free PDF] – Objective Question Answer for Determination of Moment of Inertia Quiz

1. What is the formula for the moment of inertia? (m – a mass of the body, r – distance from the axis of the rotation) A. ∑miri2 B. ∑miri C. ∑miri4 D. ∑miri3   2. The generated e.m.f from 50-pole armature having 400 conductors driven at 20 rev/sec having flux per pole as 30 …

## Dynamics of Motor Load Combination MCQ [Free PDF] – Objective Question Answer for Dynamics of Motor Load Combination Quiz

1. The axis along which no emf is produced in the armature conductors is called as ____________ A. Geometrical Neutral Axis (GNA. B. Magnetic Neutral Axis (MNA. C. Axis of rotation D. Axis of revolution   2. The generated e.m.f from 25-pole armature having 200 conductors driven at 10 rev/sec having flux per pole as …

## Load Torques that Vary with Time MCQ [Free PDF] – Objective Question Answer for Load Torques that Vary with Time Quiz

1. Servo motors are an example of which type of load? A. Pulsating loads B. Short time loads C. Impact loads D. Short time intermittent loads   2. Load torque of the crane is independent of _________ A. Speed B. Seebeck effect C. Hall effect D. Thomson effect   3. The unit of angular velocity …

## Load Torques that Vary with Angle of Displacement of Shaft MCQ [Free PDF] – Objective Question Answer for Load Torques that Vary with Angle of Displacement of the Shaft Quiz

1. Duty cycle (D) is _______ A. Ton÷Toff B. Ton÷(Ton+ Toff) C. Ton÷2×(Ton+ Toff) D. Ton÷2×Toff   2. A 220 V, 1000 rpm, 60 A separately-excited dc motor has an armature resistance of .5 ω. It is fed from a single-phase full converter with an ac source voltage of 230 V, 50Hz. Assuming continuous conduction, …

## Motor load dynamics MCQ [Free PDF] – Objective Question Answer for Motor load dynamics Quiz

1. What is the empirical formula for the tractive force required to overcome curve resistance? (W-the weight of the body, R – radius of curvature) A. 710×W÷R B. 700×W÷R C. 720×W÷R D. 750×W÷R   2. Force resisting the upward motion of a body on an inclined plane is given by (alpha – the angle of …

## Dynamic of Electric Drive MCQ [Free PDF] – Objective Question Answer for Dynamic of Electric Drive Quiz

1. What is the empirical formula for the tractive force required to overcome curve resistance? (W-the weight of the body, R – radius of curvature) A. 710×W÷R B. 700×W÷R C. 720×W÷R D. 750×W÷R   2. Force resisting the upward motion of a body on an inclined plane is given by (alpha – the angle of …

## Quadrant Diagram of Speed-Torque Characteristics MCQ [Free PDF] – Objective Question Answer for Quadrant Diagram of Speed-Torque Characteristics Quiz

1. Regenerative braking mode can be achieved in which quadrant (V-I curve)? A. Third B. Second C. Fourth D. First   2. Fan type of loads exhibits which type of load torque characteristics? A. Constant torque characteristics B. Linearly rising torque characteristics C. Non-Linearly rising torque characteristics D. Non-Linearly decreasing torque characteristics   3. Type-A …

## Type of Load in Industrial Drive MCQ [Free PDF] – Objective Question Answer for Type of Load in Industrial Drive Quiz

1. Load torques can be classified into how many types? A. Three B. Two C. Four D. Five   2. Rolling mills exhibit what type of load torque characteristics? A. Constant torque characteristics B. Linearly rising torque characteristics C. Non-Linearly rising torque characteristics D. Non-Linearly decreasing torque characteristics   3. What is the relationship between …

## Types of Loads in Electric Drives MCQ [Free PDF] – Objective Question Answer for Types of Loads in Electric Drives Quiz

1. Load torques can be classified into how many types? A. Three B. Two C. Four D. Five   2. Rolling mills exhibit what type of load torque characteristics? A. Constant torque characteristics B. Linearly rising torque characteristics C. Non-Linearly rising torque characteristics D. Non-Linearly decreasing torque characteristics   3. What is the relationship between …

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