Mechatronics Mock Test 8

10%

Question 1 of 10

1. DIAC (Diode alternating current) switch has three terminals.

False

True

Question 1 of 10

Question 2 of 10

2. Which gate is called as inequality detector?

2 Input NAND Gate

2 Input XOR Gate

2 Input XNOR Gate

2 Input AND Gate

Question 2 of 10

Question 3 of 10

3. Which type of device is a stepper motor?

Electromechanical

Electrochemical

Electromagnetic

Embedded system

Question 3 of 10

Question 4 of 10

4. A GTO (Gate turn off thyristor) switch is a unipolar device.

True

False

Question 4 of 10

Question 5 of 10

5. What is the frequency of a 3-phase induction motor if has 10 poles and its synchronous speed is 720 rpm?

40 Hz

60 Hz

50 Hz

80 Hz

Question 5 of 10

Question 6 of 10

6. How many terminals does a GTO (Gate turn off thyristor) switch has?

Question 6 of 10

Question 7 of 10

7. What is the relation between the current and the magnetic field?

Independent of each other

Inversely proportional

No relation

Directly proportional

Question 7 of 10

Question 8 of 10

8. What does this symbol represent in an electric circuit?

P channel depletion type MOSFET

P channel enhancement type MOSFET

N channel depletion type MOSFET

N channel enhancement type MOSFET

Question 8 of 10

Question 9 of 10

9. What does this symbol represent in an electric circuit?

P channel depletion type MOSFET

N channel depletion type MOSFET

N channel enhancement type MOSFET

P channel enhancement type MOSFET

Question 9 of 10

Question 10 of 10

10. Electro mechanical relay’s (EMR) needs to be manually turned “ON” and “OFF”.

True

False

Question 10 of 10