Question: The load cycle for a motor driving a power press will be________________?

• 1. variable load
• 2. continuous
• 3. continuous but periodical
• 4. intermittent and variable load

Question: Which of the following motors always starts on load ?

• 1. Conveyor motor
• 2. Floor mill motor
• 3. Fan motor
• 4. All of the above

Question: While selecting an electric motor for a floor mill, which electrical characteristics will be of least significance ?

• 1. Running characteristics
• 2. Starting characteristics
• 3. Efficiency
• 4. Braking

Question: The selection of an electric motor for any application depends on which of the following factors ?

• 1. Electrical characteristics
• 2. Mechanical characteristics
• 3. Size and rating of motors
• 4. All of the above

Question: Which of the following motors is preferred for traction work ?

• 1. Universal motor
• 2. DC series motor
• 3. Synchronous motor
• 4. Three-phase induction motor

Question: ________________is preferred for automatic drives?

• 1. Squirrel cage induction motor
• 2. Synchronous motors
• 3. Ward-Leonard controlled DC motors
• 4. Any of the above

Question: When the load is above _______________ a synchronous motor is found to be more economical?

• 1. 2 kW
• 2. 20 kW
• 3. 50 kW
• 4. 100 kW

Question: Light duty cranes are used in which of the following ?

• 1. Power houses
• 2. Pumping stations
• 3. Automobile workshops
• 4. All of the above

Question: Which of the following motors are pre-ferred for overhead travelling cranes ?

• 1. Slow speed motors
• 2. Continuous duty motors
• 3. Short time rated motors
• 4. None of the above

Question: ICs are generally made of ________________?

• 1. Silicon
• 2. Germanium
• 3. Copper
• 4. None of the above