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Question 21

DSSSB JE 2023• Section A2

Which of the following is true?

  1. AOption (a)

    Specific speed of Francis turbine < Specific speed of Kaplan turbine

  2. BOption (b)

    Specific speed of Francis turbine < Specific speed of Pelton wheel

  3. COption (c)

    Specific speed of Kaplan turbine < Specific speed of Pelton wheel

  4. DOption (d)

    Specific speed of Kaplan turbine < Specific speed of Francis turbine

View answer & explanation

Correct answer

Answer: (a)A.

Specific speed of Francis turbine < Specific speed of Kaplan turbine

Explanation not yet available.

Question 22

DSSSB JE 2023• Section A2

The output voltage of the transformer for primary distribution is:

  1. AOption (a)

    66 kV

  2. BOption (b)

    33 kV

  3. COption (c)

    132 kV

  4. DOption (d)

    11 kV

View answer & explanation

Correct answer

Answer: (a)A.

66 kV

Explanation not yet available.

Question 23

DSSSB JE 2023• Section A2

A set of finite rules to be followed in calculations or other problem-solving operations is known as _______

  1. AOption (a)

    flow-chart

  2. BOption (b)

    Algorithm

  3. COption (c)

    Function

  4. DOption (d)

    Procedure

View answer & explanation

Correct answer

Answer: (a)A.

flow-chart

Explanation not yet available.

Question 24

DSSSB JE 2023• Section A2

Identify the gear system shown in the figure below.

  1. AOption (a)

    Helical gears

  2. BOption (b)

    Spur gears

  3. COption (c)

    Worm gears

  4. DOption (d)

    Herringbone gears

View answer & explanation

Correct answer

Answer: (a)A.

Helical gears

Explanation not yet available.

Question 25

DSSSB JE 2023• Section A2

Which of the following is NOT a type of lubrication system?

  1. AOption (a)

    Sprinkler feed system

  2. BOption (b)

    Gravity feed system

  3. COption (c)

    Force feed system

  4. DOption (d)

    Splash feed system

View answer & explanation

Correct answer

Answer: (a)A.

Sprinkler feed system

Explanation not yet available.

Question 26

DSSSB JE 2023• Section A2

State the true/false of the following statements as applicable for domestic electrical wiring.

A. The height of the energy meter should be higher than that of switchboard and 1.75 m above the floor.

B. Each sub circuit, consisting of 800 watts load is to be protected by its individual fuse or MCB installed in the distribution switchboard.

  1. AOption (a)

    Both A and B are true

  2. BOption (b)

    Only B is true

  3. COption (c)

    Only A is true

  4. DOption (d)

    Both A and B are false

View answer & explanation

Correct answer

Answer: (a)A.

Both A and B are true

Explanation not yet available.

Question 27

DSSSB JE 2023• Section A2

What is the output of the following C code snippet?

int i=0;

for(i=1; i<10; i++);

printf("%d", i);

  1. AOption (a)

    0

  2. BOption (b)

    Syntax Error

  3. COption (c)

    9

  4. DOption (d)

    10

View answer & explanation

Correct answer

Answer: (a)A.

0

Explanation not yet available.

Question 28

DSSSB JE 2023• Section A2

Which of the following is NOT true in the case of High voltage transmission?

  1. AOption (a)

    The size of the conductors will increase

  2. BOption (b)

    Voltage regulation will be improved

  3. COption (c)

    Losses will be reduced

  4. DOption (d)

    Efficiency will be better

View answer & explanation

Correct answer

Answer: (a)A.

The size of the conductors will increase

Explanation not yet available.

Question 29

DSSSB JE 2023• Section A2

What will be the value of \( R_{2} \) if the delta connection is converted into equivalent star connection?

  1. AOption (a)

    \( 5 , \Omega \)

  2. BOption (b)

    \( 7.33 , \Omega \)

  3. COption (c)

    \( 3.33 , \Omega \)

  4. DOption (d)

    \( 10 , \Omega \)

View answer & explanation

Correct answer

Answer: (a)A.

\( 5 , \Omega \)

Explanation not yet available.

Question 30

DSSSB JE 2023• Section A2

Identify the power transmission device from the figure below.

  1. AOption (a)

    Universal coupling

  2. BOption (b)

    Socket coupling

  3. COption (c)

    Oldham coupling

  4. DOption (d)

    Sprocket coupling

View answer & explanation

Correct answer

Answer: (a)A.

Universal coupling

Explanation not yet available.