23) Which type of fire extinguisher must NOT be used in case of electrical base fire

Halon extinguisher

Carbn Tetra Chloride extinguisher

Foam extinguisher

Dry powder extinguisher

Answer is:

Foam extinguisher

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

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24) The magnitude of electric shock on human body depends upon

the line voltage

the line current

the line current and line voltage

current flowing through the human body

Answer is:

current flowing through the human body

25) The size of the teeth of a hacksaw blade is directly related to its pitch. How is the pitch specified?

For the whole length of the hacksaw blade

Per length of 100 mm

Per length of 25 mm

Per length of 10 mm

Answer is:

Per length of 25 mm

26) Which is the correct angle (with the cable surface) at which the knife blade should be kept while stripping a cable?

More than 60 degree

Less than 20 degree

About 45 degree

Between 20 and 45 degree

Answer is:

Between 20 and 45 degree

27) A thrite type lightning arrester

Blocks the surge voltage appearing in a line

Absorbs the surge voltage appearing in a line

Offers a low resistance path to the surge

Returns surge back to the source

Answer is:

Offers a low resistance path to the surge

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

For more MCQ's Click Here

23) Which type of fire extinguisher must NOT be used in case of electrical base fire

Foam extinguisher

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

Related ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

24) The magnitude of electric shock on human body depends upon

current flowing through the human body

25) The size of the teeth of a hacksaw blade is directly related to its pitch. How is the pitch specified?

Per length of 25 mm

26) Which is the correct angle (with the cable surface) at which the knife blade should be kept while stripping a cable?

Between 20 and 45 degree

27) A thrite type lightning arrester

Offers a low resistance path to the surge

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key