In congested areas where excavation is expensive and inconvenient 'draw in system' of laying of underground cables is often adopted.

Which of the following methods is used for laying of underground cables?

A

Direct laying

B

Draw-in-system

C

Solid system

D

All of the above

The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed

A

5 m

B

10 m

C

15 m

D

20 m

Which one of the following tunneling methods is used for laying underground sewers?

A

Needle beam method

B

Army method

C

German method

D

Italian method

Underground cables are laid at sufficient depth

A

To minimize temperature stresses

B

To avoid being unearthed easily due to removal of soil

C

To minimize the effect of shocks and vibrations due to gassing vehicles, etc.

D

For all of the above reasons

The material commonly used for sheaths of underground cables is

A

Lead

B

Rubber

C

Copper

D

Iron

The electrostatic stress in underground cables is

A

Same at the conductor and the sheath

B

Minimum at the conductor and maximum at the sheath

C

Maximum at the conductor and minimum at the sheath

D

Zero at the conductor as well as on the sheath

The tunnel was so _____ and congested that we became _____.

A

long, enthusiastic

B

dark, frightened

C

crowded, isolated

D

sharp, worried

Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?

A

Third and Fourth stanza

B

The whole song

C

First and Second stanzav

D

Only the first stanza

If ‘N’ is the number of shafts used, then the total number of faces available for attacking the excavation and construction in tunnels are

A

2N

B

N + 2

C

2N + 1

D

2N + 2

Although she.... apart of the excavation team, she was not allowed to actively.... in the field.

A

is, working

B

was, work

C

was, working

D

in, worked

In congested areas where excavation is expensive and inconvenient 'draw in system' of laying of underground cables is often adopted.

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