AEES 2022 PRT 

EVS Previous Year Paper 

with Solution Part 6

Ques 51    The study of phenomena at very low temperatures is called:

                (a) heat transfer

                (b) morphology

                (c) crystallography

                (d) cryogenics

Ans- (d) cryogenics

 

Ques 52    A type of polymer that is biodegeradable has been in the news lately. The ingredient that makes it biodegradable is:

                (a) vegetable oil

                (b) petroleum

                (c) cornstarch

                (d) leather

Ans- (c) cornstarch

Ques 53    If a metal can be drawn into wires relatively easily it is called:

                (a) malleable

                (b) ductile

                (c) extractive

                (d) tactile

Ans- (b) ductile

 

Ques 54    Sea water(i.e, salt water) freezes at:

                (a) the same temperature as fresh water

                (b) at a slightly higher temperature than fresh water

                (c) at a slightly lower temperature than fresh water

                (d) seawater does not freeze

Ans- (c) at a slightly lower temperature than fresh water

Ques 55    Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross-sectional area decreases, the velocity of the fluid:

                (a) increases

                (b) decreases

                (c) stays the same

                (d) none

Ans- (a) increases