Rajasthan Technical Education Second Year Paper 2016 – Testing of Polymers

Rajasthan Technical Education Second Year Paper 2016 – Testing of Polymers

Viscometer is used to measure the following
(a) melting point
(b) boiling point
(c) viscosity
(d) glass transition temperature

The ability of a polymer to with stand shock is called
(a) Tensile strength
(b) Burst strength
(c) Impact strength
(d) Tear strength

Hazemeter is used to determine
(a) Volume resistivity
(b) Surface resistivity
(c) Abrasion resistance
(d) Light transmittance

Refractive index of plastic film is measured by following
(a) Izod impact tester
(b) Abrasion tester
(c) Abbe refractometer
(d) Melting point apparatus

Melting point of plastics is measured by following
(a) Melting point apparatus
(b) Rheometer
(c) Melt flow index tester
(d) Abrasion tester

The ability of a plastic material to withstand tensile force is called
(a) Impact strength
(b) Tensile strength
(c) Abrasion strength
(d) Electric Resistance

The unit of Shore-A hardness is
(a) Poise
(b) Cadila
(c) gm per cubic cm
(d) No unit

The method specified by ASTM D 790 is
(a) Flexural strength test
(b) Izod impact test
(c) Melt flow test
(d) Hardness test

The temperature below which a polymer is hard and above which it is soft is called
(a) Flow temperature
(b) Freezing point
(c) Boiling point
(d) glass transition temperature

The test which measures the loss of light transmission through smoke is
(a) Light transmittance test
(b) Abrasion resistance test
(c) Smoke density test
(d) Impact test

The test specified by ASTM D 495 is
(a) Arc resistance test
(b) Electrical resistance test
(c) Cup flow test
(d) Impact test

Fisher – Johns melting point apparatus measures
(a) Shore – A hardness
(b) Shore – D hardness
(c) Melt flow index
(d) Melting point

Percent water absorption by polyethylene is
(a) 0.010
(b) 0.10
(c) 1.00
(d) 2.05

Abbe refractometer measures
(a) refractive index
(b) hardness
(c) melt flow index
(d) melting point