A.Silica only
B.CaCO3
C.CaCO3 + Chochilin
D.Silica + CaCO3
Related Mcqs:
- Shell of Pila has:
- Central axis of shell of Pila is called:
- Skeleton of horny corals is made by:
- Diatom frustule/ shell is made of_____________??
- Shell moulding is a process in which
- The principal ingredients of moulding sands are
- A cannon of barrel length 2 m fires a shell of weight 6 kg with a muzzle velocity of 50 m/sec. The force exerted by the gases on the shell would be approximately
- A gun fires shell with a muzzle velocity of 600 m/sec. The angle of inclination of the gun so that the shell hits a target at a distance of 32 km at level 100 m higher than the gun would be approximately?
- A thin cylinder contains fluid at a pressure of 30 kg kg/cm2, the internal diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have a minimum wall thickness of
- A thin cylinder contains fluid at a pressure of 30 kg/cm2, the inside diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have minimum wall thickness of
