Answer:
C. they need on the job experience I think
Answer:
Specific gravity is 0.5 so option (a) is correct option
Explanation:
We have given mass of substance m =10 kg
Volume 
Density of substance is given by 
Specific gravity is given by 
So option (a) is correct option
The statements regarding the refrigeration system as expressed by the technicians are correct. Hence, the correct statement is Option c.
<h3>What is a refrigeration system?</h3>
Refrigeration systems are a crucial process in the industry and home applications as they carry out cooling or keep the room temperature at a preferred value.
The missing information in the question is:
A.technician A only
B.technician B only
C.both A and B
D.neither A or B
Hence, The statements regarding the refrigeration system as expressed by the technicians are correct. the correct statement is Option c.
Learn more about Refrigeration systems:
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Answer:
water based and solvent based
Explanation:
i need 20 characters to give you this answer, but I'm guessing water displaces grease and solvents chemically react with the grease like a detergent