sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 08 - Electrical Electronics and Network Components

33)   

 Metal oxide resistors are known for their:

A.
B.
C.
D.
34)   

 Which type of resistor is typically found in SMD (Surface Mount Device) packages? 

A.
B.
C.
D.
35)   

 In a grid-connected solar PV system, the grid-tie inverter must have:

A.
B.
C.
D.
36)   

 What is the role of SMPS in an LED TV?

A.
B.
C.
D.
37)   

 In LED driver circuits, current limiting is achieved using a: 

A.
B.
C.
D.
38)   

 Which of the following is used to filter ripple in SMPS?

A.
B.
C.
D.
39)   

 The purpose of a feedback loop in SMPS block diagram is to:

A.
B.
C.
D.
40)   

 Which microcontroller is commonly used in embedded control systems, including UPS and LED displays? 

A.
B.
C.
D.
41)   

 The thermostat in an electric iron works based on the principle of:

A.
B.
C.
D.
42)   

 In an electric stove, which material is commonly used for the heating element? 

A.
B.
C.
D.
43)   

Which one of the following is used in a fire alarm to detect smoke?

A.
B.
C.
D.
44)   

 What is the function of a control panel in a DC generator system? 

A.
B.
C.
D.
45)   

 The connection of a 3-phase alternator with load is made via:

A.
B.
C.
D.
46)   

 In earthing systems, plate earthing uses which metal plate typically?

A.
B.
C.
D.
47)   

  In a motor control circuit, the MCB is used for:

A.
B.
C.
D.
48)   

 A three-point starter includes a no-voltage coil to:

A.
B.
C.
D.