Factors such as brake shoe orientation, pin location, and direction of rotation determine whether a particular brake shoe is con
1 answer:
Answer:
Self energizing brake shoe produces more Torque
Explanation:
Attached below is the sketches of the various cases
<u>The cases are :</u>
case 1 ; deenergizing
case 2 ; self energizing
case 3 ; produces high braking torque
For a brake to be self energizing when the Frictional torque and braking torque are in the same direction
<em>summary from equation 3 </em>
when: b > uc the brake is controllable
b = uc It is self locking
b < uc The brake is uncontrollable
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Answer:
Explanation:
Work, U, is equal to the force times the distance:
U = F · r
Force needed to lift the weight, is equal to the weight: F = W = m · g
so:
U = m · g · r
= 20.4kg · 9.81 · 1.50m
= 35.316
= 35.316 W
Solution :
Given :
Water have quality x = 0.7 (dryness fraction) at around pressure of 200 kPa
The phase diagram is provided below.
a). The phase is a standard mixture.
b). At pressure, p = 200 kPa, T =
Temperature = 120.21°C
c). Specific volume
d). Specific energy ()
e). Specific enthalpy
At
f). Enthalpy at m = 0.5 kg
= 1022.91 kJ
