Pressure can be transferred effectively/does not evaporate easily/prevent from rusting/will not trap air
Long
Ability to reset
Less effort needed to press the small piston
Apply released valve between small and main reservoir
Liquid can flows into small reservoir
Density of liquid
Low
Lighter mass/weight
Amount of liquid
Full
Pressure can be transmitted immediately/effectively
Type of material of the fluid transmission pipe
Strong/steel
Hydraulic brake Aspect
Strong/does not break easily/non corrosive/prevent leakage/does not rust easily/ Rate of oxidation is slow/can last longer
Suitability
Reason
Specific heat capacity of brake disc
Friction between pads and discs will cause an increase in temperature but the increase will be slow. Does not melt easily if there is an increase in temperature.
High
Melting point of brake disc
High
Compression of brake fluid
Difficult
Pressure will be transmitted uniformly in all directions/ flows easily
Hardness of brake pads
High degrees
Can withstand great force / does not break easily
Material of brake fluid
Oil/incompressible
No air bubble
Characteristic of brake fluid
High boiling point/low density/high viscosity
Does not change to gas state/lighter mass/less friction/does not evaporate easily
Size of master piston
Small
Higher pressure produced/small force used
Size of slave piston
Big
Produce bigger force
Type of material of the fluid transmission pipe
Strong/steel
Strong/does not break easily/non corrosive/prevent leakage/does not rust easily/ Rate of oxidation is slow/can last longer
Reason Can withstand great force/high water pressure Lighter mass/weight Safe in fresh water and salt water Can carry more goods/higher buoyant force/To increase the capacity Reduce water resistance Ability to withstand shock waves/collisions Cheapter/higher power/bigger capacity
Distance of Plimsoll line from the sea surface
Higher/far
Size of propeller (for boat) Size of oil tanker
Bigger More partition to store oil
Ship base cross section area
Wide
Can carry more load/can displace more water/higher upthrust To produce greater thrust forward To reduce the effect of inertia Ship can float/prevent from overturn/ship more stable
Submarine Aspect
Suggestion
Reason
Thickness of the wall
Thick wall
Water pressure increase with depth
Material of the wall
High density material
Increase mass / can submerge easily
Material of the wall
Strong material
Does not break easily
Shape of the submarine
Aerodynamic shape
Reduce water resistance
Able to submerge
Ballast tank
To increase or reduce weight
Sonar transmitter and receiver
To estimate distance and depth
Equipment to detect underwater obstacles and depth Volume of ballast tank
High/Big
Number of air tanks cylinder carried
More
Maximum water pressure
Can withstand higher maximum water pressure
Hot air balloon Characteristic
To produce bigger buoyant force/easy to rise/can carry greater weight inside Can stay longer time under the water/can rise and submerge many times/more air supply for respiration of crews Safe when the submarine submerge very deep in the sea/The body will not break due to high water pressure
Suitability
Reason
Volume of balloon (envelope)
Big
Produced bigger buoyant force/displaced more volume of air
Material for the balloon
Strong, e.g. synthetic nylon/low density
Material for the basket
Low density/Rattan
Temperature of air inside
High
Strong/Does not break/tear easily/air proof material/lighter mass/weight Lighter/smaller mass/increase the impact time, reduce impulsive force Reduce air density/reduce the mass of air in the balloon/increase upward resultant force/can carry more load
Shape of balloon
Aerodynamic
To reduce water resistance
Density of filled gas in the balloon
Low
Lighter mass/weight
Mass of radiosonde instrument
Low
To produce a bigger upward resultant force
The number of the burners
Many
To produce bigger flame/heat up the gas in the balloon faster
Hydraulic brake. Aspect Suitability Reason. Specific heat capacity of. brake disc High Friction between pads and discs will cause an increase in. temperature but ...
K & K Lab.. New York. .... Capsaicin added Capsaicin found % Recovery. 20 a/ml. 19.8 pg/ml. 99.0. 18.0 ... To determine the percent recovery,. 500 pg of pure ...
is exerted on them and the yarns try to straighten out . Like bias, this phenomenon. is impossible to completely avoid but can be minimized through careful ...
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Page 1 of 1. What is the Title? âSpider towing a fried eggâ. N. 96 D. 210 O. 1800. A. 225 E. 31.50 P. 27. W. 1200 R. 36 S. 840. T. 421.60 F. 1270. I. 943 G. 3780.
