A.±0.5%
B.±1.5%
C.±2.5%
D.±5%
Answer: B
parsing: The accuracy of a flowmeter complying with GB/T 13466 standard is ±1.5%.
A. Produce lubricating oil B. No lubricating oil C. Need to replace lubricating oil frequently D. High noise answer: B. No production of lubricating oil
A. Price and brand B. Performance, price and brand C. Service quality and reputation D. Production date and transportation method Answer: C. Service quality and credibility
A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: B. Thousands to tens of thousands of yuan
A. Color difference B. Orange peel phenomenon C. Fisheye defect D. Hanging answer: C analysis: Oil residue will cause “fish eye” defects on the surface of the car paint, seriously affecting the coating quality.
A. Small flow B. Low power C. Not suitable for occasions with small gas volume and too high pressure ratio D. Complex structure answer: C. Not suitable for occasions with small gas volume and too high pressure ratio