Quiz 44 [Civil express]

BOD of safe drinking water should be

• Nil

• 10ppm

• 20ppm

• 40ppm

STOP sign comes under

• Regulatory sign

• Cautionary sign

• Informative sign

• None of these

Surge tanks are used for to guard against

• Sliding

• Crushing

• Water hammer

• All the above

A window that projects outside the external walls of a room is

• Gable window

• Sash window

• Dormer window

• Bay window

The value of dismantled material is

• Scrap value

• Rateable value

• Salvage value

• Market value

Group B buildings are

• Residential

• Institutional

• Assembly

• Educational

Flash back and back fire occurs in .....Welding

• Electric arc welding

• Gas welding

• Resistance welding

• TIG welding

Which one of the following is used for closing a pipe line which has internal thread?

• Plug

• Reducer

• Cap

• Coupling

Process which is adopted to make the steel soft called

• Normalizing

• Annealing

• Tempering

• Hardening

____nuts are used in light duty assembly which require frequent removal of fixing

• Hexagonal

• Castle

• Wing

• Square