is Compression ratio decreased when a large volume of combustion chamber deposits accumulate in the engine?

A refrigerator has a COP of 1.5. That is, the refrigerator removes 1.5 kWh of energy from the refrigerated space for each 1 kWh of electricity it consumes. Is this a violation of the first law of thermodynamics? explain.

function summedValue = SummationWithLoop (userNum) % Summation of all values from 1 to userNum summedValue = 0; i = 1; % Write a while loop that assigns summedValue with the % sum of all values from 1 to userNum end

2. What is the importance of the Belt Tensioner?

The interactions between a closed system and its surroundings include energy transfer by heat, boundary work and flow work. a) True b) False

Technician A says that the micrometer operates on a simple principle: The spindle has 20 threads per inch, so one revolution of the thimble will advance or retract the spindle 1/20 of an inch.

Work done by a system during a process can be considered as a property of the system. a) True b) False

When the compression process is non-quasi-equilibrium, the molecules before the piston face cannot escape fast enough, forming a high-pressure region in front of the piston. It takes more work to move the piston against this high-pressure region.

hypothetical A-B alloy of composition 40 wt% B-60 wt% A at some temperature is found to consist of mass fractions of 0.66 and 0.34 for the α and β phases, respectively.

10. Which of these requires a wheel alignment after replacement? A. Struts B. Shocks C. Both

What is the definition of diameter pitch?