The thermosetting plastic – McqOptions

MCQOPTIONS

1.	The thermosetting plastic
A.	becomes rigid when moulded at suitable pressure and temperature
B.	at 127¬∞C to 177¬∞C permanently set and further application of heat does not soften it
C.	charrs at 343¬∞C
D.	All the above.
Answer» E.

Discussion

No Comment Found

Related MCQs

Cast steel is manufactured by
The weight of 1 m of brick earth, is about
Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:
Dolomite is a lime stone which contains carbonate of magnesia upto
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is
The weight of 1 m3 of brick earth, is about
Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below:
Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is
The initial setting time for ordinary Portland cement as per IS specifications should not be less than