_______________ rubber is generally used for making ‘O’ rings used for vacuum sealings?

Related Mcqs:

Pick out the correct combination about the role of various additives used in polymers ?

A. Plasticiser: increases the polymer strength B. Heat stabiliser: increases the maximum service temperature C. Fillers: Does not affect the property of polymer but increases its weight D. Lubricants: increases the flexibility of polymers...

_______________ test can be termed as the semi-destructive test?

A. Impact B. Torsion C. Hardness D. Charpy...

Minimum number of members required to form a Public Limited Joint Stock Com-pany is___________________?

A. 7 B. 10 C. 12 D. 17...

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?

A. 7 and 30 B. 10 and 50 C. 2 and 50 D. 13 and 55...

Regeneration of molecular sieve requires it to be heated to a temperature of about __________________ °C?

A. 80-120 B. 200-300 C. 600-800 D. 1000-1100...