First coat of bituminous painting shall be with stone ballast no.3 and stone grit of 20 mm gauge at 220 kg of asphalt and 1.35 cu m of stone grit per 100 sq. m.

Related MCQs

• Stone grits used for 1st coat and 2nd surface painting may be precoated in advance with advance with bitumen.
• Hard, rough and durable granite stone ballast                    gauge, shall be used.
• Subgrade shall be well consolidated and compacted each with a camber of 1 in 60.
• Laying and consolidation shall be done during dry season.
• Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm². The diameter of shaft and width of key can be taken as 40mm and 10mm respectively.
• Calculate minimum wall thickness given a cylindrical prestressed water tank of internal diameter 30m over a depth of 7.5m and the permissible compressive stress at transfer is 13n/mm2 and the maximum compressive stress under working pressure is 1n/mm2 and the loss ratio is 0.75?
• These are important roads within a district connecting areas of production with markets and connecting them with the State Highways & National Highways and are maintained by the State PWD?
• A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal.
• Maximum shear stress in transverse fillet weld of leg h and length l is
• Woodruff key permits            movement b/w shaft and the hub.