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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 08 - Electrical Electronics and Network Components

49)   

 Which block in the UPS helps convert DC back to AC?

A.
B.
C.
D.
50)   

 In the block diagram of a DSO, the vertical amplifier is used to:

A.
B.
C.
D.
51)   

Which of the following resistors is best suited for surface mounting?

A.
B.
C.
D.
52)   

 A capacitor stores energy in the form of:

A.
B.
C.
D.
53)   

 In a standalone solar PV system, the battery is used to:

A.
B.
C.
D.
54)   

 What is the main output of a solar charge controller?

A.
B.
C.
D.
55)   

 Which type of converter reduces voltage in DC-DC conversion?

A.
B.
C.
D.
56)   

 A composite video signal consists of: 

A.
B.
C.
D.
57)   

 The IC 8038 is mainly used for:

A.
B.
C.
D.
58)   

 In an online UPS, the inverter gets power from:

A.
B.
C.
D.
59)   

 Which network device operates at the data link layer (Layer 2)?

A.
B.
C.
D.
60)   

 In a mesh topology, each device is connected to:

A.
B.
C.
D.
61)   

  The main function of a thermostat in a geyser is to:

A.
B.
C.
D.
62)   

 Which of the following appliances uses a solenoid-operated striker mechanism?

A.
B.
C.
D.
63)   

 In an electric hotplate, the heat is transferred to the vessel mainly through:

A.
B.
C.
D.
64)   

 Which device converts electrical energy into sound energy in a fire alarm system?

A.
B.
C.
D.