App Logo

No.1 PSC Learning App

1M+ Downloads
The minimum depth of concrete at the crown of a jack arch floor should be :

A100mm

B150mm

C180mm

D200mm

Answer:

B. 150mm


Related Questions:

Filling up cracks or drilled holes using cement mortar or cement concrete under pressure is called:
A covering of concrete placed on the exposed top of an external wall is known as
The slump recommended for concrete in Mass concrete :
The steel used in reinforced cement concrete work is
Which of the following materials used for DPC?