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MCQ - TNPSC JTO

JTO - 551 - Engineering Drawing and Draughtsman

551 - unit - 08 - Electrical Electronics and Network Components

65)   

  In a wiring diagram, the symbol for earth connection is represented by:

A.
B.
C.
D.
66)   

 Which connection method is preferred in a compound motor for strong starting torque

A.
B.
C.
D.
67)   

An automatic voltage regulator (AVR) maintains:

A.
B.
C.
D.
68)   

  Which of the following is used for equipment protection in a layout?

A.
B.
C.
D.
69)   

 In a three-phase circuit, current in each phase is usually:

A.
B.
C.
D.
70)   

 A DOL starter is suitable for motors up to:

A.
B.
C.
D.
71)   

 In the block diagram of an inverter, the final output stage is typically a:

A.
B.
C.
D.
72)   

 In function generators, frequency is varied using:

A.
B.
C.
D.
73)   

 Precision resistors are preferred in circuits where:

A.
B.
C.
D.
74)   

Capacitors used in SMPS circuits typically need:

A.
B.
C.
D.
75)   

 In a solar hybrid system, energy is sourced from:

A.
B.
C.
D.
76)   

 In SMPS-based layouts, isolation between input and output is provided by: 

A.
B.
C.
D.
77)   

 Which SMPS topology is ideal for low power, isolated outputs?

A.
B.
C.
D.
78)   

The purpose of a sync pulse in a TV signal is to:

A.
B.
C.
D.
79)   

 The LED backlight in LED TVs is controlled by: 

A.
B.
C.
D.
80)   

 The role of the microcontroller in an online UPS is to:

A.
B.
C.
D.