www.McqFinder.in

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
ITI
Electrician
Electrician Set-1
Conductors and Insulation
24

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

24) Normally metals are good conductor of electricity. Which is the good conductor in terms of conductivity ?

Copper

Aluminium

Silver

Brass

Answer is:

Silver

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here

Related Conductors and Insulation MCQ - Electrician (Set-1) with Answers

25) We find, for a required current carrying capacity, aluminium conductor is larger in cross sectional area than copper. The reason for this is

aluminium gets heated up more than copper

resistivity of aluminium is greater than copper

aluminium is mechanically weaker than copper

aluminium is cheaper than copper

Answer is:

resistivity of aluminium is greater than copper

26) 7/1.40 is the specification of the one stranded conductor. What does the denominator indicate in the above specification ?

Diameter of the conductor in mm

Radius of the conductor in mm

Area of the conductor in square mm

Diameter of the conductor in inch

Answer is:

Diameter of the conductor in mm

27) The material that have only few electrons and are incapable of flowing current is

porcelain

silver

gold

copper

Answer is:

porcelain

28) Which one of the following materials is the insulating material ?

Water

Carbon

Mica

Copper

Answer is:

Mica

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here