M4 Electronic Sub-Module No 3(Quiz No:1)

Servomechanisms

Quiz

 

1. In the transformers lamination are tightly butted together to ……. The reluctance of the air gap ?
   1.   Equalize
   2.   Increases
   3.   Reduce
2. An ………….. is one that does not have any feedback mechanism ?
   1.   Close-loop system
   2.   Open-loop system
   3.   Auto-loop system
3. A ………... has two stator windings placed at 90 degrees to each other, and a single rotor winding that is energized ?
   1.   Resolver
   2.   Transducer
   3.   Error detector
4. Control synchro consists of a pair of synchro, namely a synchronous transmitter driving a receiver, known as a ?
   1.   Control transducer
   2.   Manual transformer
   3.   Control transformer
5. The torque synchro is designed to provide a ……... without additional servo components ?
   1.   Light torque input
   2.   High torque output
   3.   Light torque output
6. Resolvers are used to transmit angular position data from one location to another where a ……...is required ?
   1.   Low degree of accuracy
   2.   High degree of accuracy
   3.   Equal degree of accuracy
7. Alternate stacking of the lamination of transformer …the flux leakage and iron losses ?
   1.   Increases
   2.   Does not effect
   3.   Reduces
8. This type of transmitters uses inductance winding, similar to a synchro ?
   1.   Capacitance transmitter
   2.   Inductance transmitters
   3.   Thermistor transmitters
9. All closed-loop systems have an ………..., known as a "follow-up" ?
   1.   Error producer
   2.   Error ignorer
   3.   Error detector
10. Analogue tranducer is basically a transformer with………………. and a moving core that is attached to the controlled unit ?
    1.   Two secondary induction coils
    2.   Ten secondary induction coils
    3.   Four secondary induction coils

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M4 Electronic Sub-Module No 2(Quiz No:1)

Transistors

Quiz

 

1. There are …………….. Types of printed circuit boards ?
   1.   Two
   2.   Three
   3.   Four
2. There are how many technologies used to connect components to the circuits on the PCB ?
   1.   Two
   2.   Five
   3.   Three
3. Printed circuit boards are constructed from a thin sheet of………. Material ?
   1.   Non-conductive
   2.   Conductive
   3.   Semi conductive
4. ESD stand for ?
   1.   Electric-static discharge
   2.   Electro-static discharge
   3.   Electricity-static discharge
5. Simply walking across a carpet can generate……….. Of static electricity at 20% relative humidity ?
   1.   35,000 volts
   2.   1,500 volts
   3.   5,000 volts
6. Static electricity is a simple fact of nature and is caused by ………?
   1.   Static pressure
   2.   Friction
   3.   Heat
7. Conductive paths between layers of the circuit boards is called………..?
   1.   Via
   2.   Circuit
   3.   Layer gap
8. Through hole technology is also called……...?
   1.   Laser mount technology
   2.   Center mount technology
   3.   Surface mount technology
9. The difference between non plated through holes and plated through holes is the presence of ………….. Inside the insulating board material ?
   1.   Silver
   2.   Copper
   3.   Aluminum
10. Simply walking across a carpet can generate ………. Of static electricity at 65% relative humidity ?
    1.   25,000 volts
    2.   35,000 volts
    3.   1,500 volts

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M4 Electronic Sub-Module No 1 (Quiz No:1)

 

Diodes

Quiz

 

1. Operational amplifier is commonly known as an____ ?
   1.   "non-op amp"
   2.   "op amp"
   3.   "amp"
2. These are limited to allowing current flow in one direction only ?
   1.   SCRS
   2.   TRIAC
   3.   Both
3. LEDs are simple and reliable,they are constructed of ?
   1.   Conductor material
   2.   Nonconductor material
   3.   Semiconductor material
4. If output of AND gate is one then what will be the inputs ?
   1.   A ,B both are zero
   2.   A zero B one
   3.   A ,B both are one
5. If a capacitor, instead of a resistor, is inserted in the feedback loop, the circuit is classified as ?
   1.   Differentiator circuit
   2.   Integrator circuit
   3.   Multivibrator circuit
6. The most important diode characteristic is its -------------relationship ?
   1.   Voltage-resistance
   2.   Current-voltage
   3.   Anode-cathode
7. By adding more diodes in series, the voltage is ------------- ?
   1.   Increase
   2.   Constant
   3.   Reduced
8. When diode connected in --------------- ,no conduction in resultant diode in both sides ?
   1.   Series
   2.   Parallel
   3.   Series and parallel
9. In a forward biased circuit, the voltage drop is approximately ………... for a silicon diode
   1.   0.3 volts
   2.   0.7 volts
   3.   0.10 volts
10. Nand gate is inverted of…………………gate ?
    1.   Or
    2.   Not
    3.   And

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