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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 08 - Electrical Electronics and Network Components

145)   

 The wiring layout of a 3-phase alternator shows

A.
B.
C.
D.
146)   

 In an auto transformer starter, reduced voltage is supplied during:

A.
B.
C.
D.
147)   

 Pipe earthing requires:

A.
B.
C.
D.
148)   

Which of the following is shown in a control panel layout of a DC generator? 

A.
B.
C.
D.
149)   

 In a three-phase motor circuit, overload protection is provided by:

A.
B.
C.
D.
150)   

 Which circuit controls current flow using a magnetic field?

A.
B.
C.
D.
151)   

  In the block diagram of an online UPS, the inverter operates:

A.
B.
C.
D.
152)   

 A DSO block diagram includes:

A.
B.
C.
D.
153)   

 The tolerance of a precision resistor is generally within:

A.
B.
C.
D.
154)   

 Which component stores electric charge?

A.
B.
C.
D.
155)   

 Grid-connected solar systems can operate only when:

A.
B.
C.
D.
156)   

SMPS in cell phone chargers provide:

A.
B.
C.
D.
157)   

 Buck converter is used to

A.
B.
C.
D.
158)   

 The IC-based AM transmitter circuit mainly uses:

A.
B.
C.
D.
159)   

 The microcontroller 8051 has how many I/O ports?

A.
B.
C.
D.
160)   

 In a television broadcasting block diagram, the signal is modulated using:

A.
B.
C.
D.