Correct answer
A. Poly tetra-fluoro-ethylene (P.T.F.E.)
Explanation
The correct answer is Poly tetra-fluoro-ethylene (P.T.F.E.).
Identify the false statement?
Gun powder uses________?
A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit E. to deliver water at a flow rate of 0.001 m3/s? The Fanning friction factor, f is 0.0062?
Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ________ ppm?
Cold chisel & hammers are made of________?
Which of the following is the most widely used disinfectant in water treatment?