Engineering, 02.01.2022 16:10 whitakers87
Select the correct answer.
In the context of mechanical systems, what does the term efficiency mean?
A. the factor by which a machine multiplies a force
B. the ratio of a machine’s power to the force of its input
C. the rate at which a machine performs work
D. the rate at which a machine consumes energy
E. the ratio of the work output of a machine to the work input
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 18:10
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
Answers: 1
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Engineering, 04.07.2019 19:10
The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]
Answers: 3
You know the right answer?
Select the correct answer.
In the context of mechanical systems, what does the term efficiency mea...
Questions
History, 25.02.2022 19:30
Social Studies, 25.02.2022 19:30
Mathematics, 25.02.2022 19:40
Social Studies, 25.02.2022 19:40
Mathematics, 25.02.2022 19:40
