W/S Calculation & science Estimation & Costing

What is the weight of the iron ball has volume of 250 cc and density 7.5gm/cc

• 1750 gram

• 1875gram

• 1975gram

• 1785gram

What is the relative permittivity of rubber?

• Between 2 and 3

• Between 5 and 6

• Between 8 and 10

• Between 12 and 14

What percentage of water absorbed by a good building stone ?

• Less than 10%

• Less than 20%

• Less than 8%

• Less than 5%

Which specification is other than general specification ?

• Brief specification

• Bulk specification

• Detailed specification

• Main specification

What cables are used for 132KV lines ?

• High tension

• Super tension

• Extra high tension

• Extra super voltage

Which of the impurity in cast iron makes it hard and brittle ?

• Silicon

• Sulphur

• Manganese

• Phosphorous

What describes the detailed specifications for the item of work ?

• Quality, quantity,workmanship, method of execution

• Colour

• Tax ,,transport overhead expenses

• Maintenance, stock, cost

Which IE rules are to be verified on completion of wiring on any new installation ?

• IE rules 1956

• IE rules 1960

• IE rules 1961

• IE rules 1967

Which one is the most reliable estimate ?

• Preliminary estimate

• Plinth area estimate

• Cube rate estimate

• Detailed estimate

What is the minimum permissible area of conductors (U/G cable) for 3 and half cores cable ?

• 25 sq.mm

• 50 sq.mm

• 5 sq.mm

• 100 sq.mm