Insulation

Question 1

Insulation process below -101C (-150F)

Answer 1

cryogenic

Question 2

insulation process between -101C and 815C

-150F and 1500F

Answer 2

thermal

Question 3

insulation process above 815C (1500F)

Answer 3

refractory

Question 4

insulation process for keeping gases in the liquid state because they are gaseous at normal atmospheric pressure

Answer 4

cryogenic

Question 5

2 ways to achieve cryogenic temperatures

Answer 5

rapid evaporation of liquids

expansion of confined gases at 150-200 atmospheres

Question 6

2 insulations for cryogenic

Answer 6

cellular glass

super insulation

Question 7

3 categories of thermal insulation

Answer 7

fibrous
cellular
granular

Question 8

thermal insulation made from long, small diameter fibres that divide air into tiny compartments

Answer 8

fibrous

Question 9

thermal insulation uses principles of dividing the air pockets into tiny compartments

Answer 9

cellular

Question 10

thermal insulation made of small pieces of material with hollow spaces

Answer 10

granular

Question 11

4 refractory insulation methods

Answer 11

castable
bricks
gunnite
ramming

Question 12

refractory method similar to spray on concrete

Answer 12

gunnite

Question 13

refractory method with thick plasticine consistency installed with pneumatic air hammer

Answer 13

ramming

Question 14

refers to the resistance to heat flow through the unit of area

Answer 14

thermal resistance (R)

Question 15

refers to total rate of heat flow through a one inch thick section

Answer 15

thermal conductivity (K)

Question 16

refers to the total rate of heat flow for the actual thickness of the insulating material

Answer 16

thermal conductance (C)

Question 17

type of properties
capillarity
appearance
breaking strength
compressive strength
vibration
coefficient of expansion
shrinkage
sound absorbtion

Answer 17

mechanical

Question 18

type of properties
alkalinity or acidity
chemical reaction
toxicity
chemical resistance
combustibility
ultraviolet light
resistance to bacteria

Answer 18

chemical

Question 19

maximum safe working decibel

Answer 19

70

Question 20

decibel level to cause immediate nerve destruction

Answer 20

150

Question 21

used to protect insulation

Answer 21

cladding

Question 22

minimum overlap of cladding

Answer 22

3 inch

Question 23

condensation is prevented by keeping insulation above or below the dew point of ambient air

Answer 23

above