Engineering, 26.08.2021 23:20 donaldpartee1
Which of the following is often used as an actuator to control other actuators when the computer needs to control a high-current load?
a. oxygen sensor
b. relay
c. crankshaft sensor
d. momentary contact switch
Answers: 3
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
Answers: 2
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 18:20
Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg
Answers: 2
Engineering, 04.07.2019 19:20
Acompressor compresses a gas, a pump compresses a liquid. for a given pressure ratio, why does it take more work to compress a gas in a compressor than a liquid in a pump? a)- for a given pressure ratio the average specific volume for a gas is much higher than the average specific volume for a liquid. b)- there is no difference. the only difference is the amount of heat generated (not work) c)- for a given pressure ratio the average volurge for a gas is much higher than the average volume for a liquid. d)-there is no difference
Answers: 3
Which of the following is often used as an actuator to control other actuators when the computer nee...
Mathematics, 30.03.2021 22:10
Social Studies, 30.03.2021 22:10
Mathematics, 30.03.2021 22:10
Mathematics, 30.03.2021 22:10
Physics, 30.03.2021 22:10
Business, 30.03.2021 22:10
Mathematics, 30.03.2021 22:10
Mathematics, 30.03.2021 22:10
History, 30.03.2021 22:10
History, 30.03.2021 22:10
Mathematics, 30.03.2021 22:10
Computers and Technology, 30.03.2021 22:10