Answer:
Ask. Identifying and Researching a Need.
Imagine. Developing Possible Solutions.
Plan. Making a prototype.
Create. Testing and evaluating.
Improve. Modifying and Retesting the Solution
Explanation:
went though pltw
Answer:
E
Explanation:
The vander waals equation
=nRT
The factor n^2a/V^2 accounts for the attractive forces between the gases molecules whereas nb accounts for the decrease in volume occupied by the gas. Therefore, correct option would be E. None of the above have BOTH of the two factors accurately stated
Answer: D) Speeds
Explanation:
Servomotor is an electromechanical device that contain feedback mechanism.
In servomotor, torque curve basically depicts that a motor can produce the amount of torque accordingly to the operating speed.
Servomotor are able to hold the heavier loads that is why it has ability to produced high torque in all range of speeds.
Answer: Isentropic process is the process in fluids which have a constant entropy.
Explanation: The isentropic process is considered as the ideal thermodynamical process and has both adiabatic as well as reversible processes in internal form.This process supports no transfer of heat and no transformation of matter .The entropy of the provided mass also remains unchanged or consistent.These processes are usually carried out on material on the efficient device.
Answer: The exit temperature of the gas in deg C is 
.
Explanation:
The given data is as follows.
= 1000 J/kg K, R = 500 J/kg K = 0.5 kJ/kg K (as 1 kJ = 1000 J)
= 100 kPa, 
We know that for an ideal gas the mass flow rate will be calculated as follows.
or, m = 
= 
= 10 kg/s
Now, according to the steady flow energy equation:
= 5 K
= 5 K + 300 K
= 305 K
= (305 K - 273 K)
=
Therefore, we can conclude that the exit temperature of the gas in deg C is .
