Thread Content
148. The clearance between the crosshead and the slide of a piston compressor should be measured using ( ), and this clearance should be even on both sides. A. Feeler gauge B. Outside diameter micrometer C. Block gauge. Answer to question 147: A. March 28, 2020. 147. The overall construction schedule can be represented by a Gantt chart or by (A). A. Network diagram B. Network for a single project C. Network for a partial project. Answer to question 146 dated March 27, 2020: B. 146. **Standards specify that standard tolerances are divided into (B) grades, denoted by the Latin letter “IT”. A、14 B、20 C、18. The answer to question 145 on March 26, 2020 is C. During the load testing of a centrifugal compressor unit, the bearing temperature should not exceed (C)°C: A、50 B、120 C、70. The answer to question 144 on March 25, 2020 is B. The vibration level of the unit must not exceed (B) mm. A、0.08 B、0.05 C、0.03 The answer to question 143 on March 24, 2020 is A. The purpose of tempering is to eliminate (A) after quenching. A. Brittleness and internal stress B. Hardness and strength C. Strength. The answer to question 142 on March 23, 2020 is B. For domestic compressors used in winter, lubricating oil of grade (B) should be used. A. Engine oil No. 30 B. Compressor oil No. 13 C. Compressor oil No. 19 (The answers will be released the day before they are officially announced; those who get it right before the announcement will receive 10 wealth points, those who get it right after the announcement will receive 5 wealth points, and those who participate will receive 3 wealth points.) I’ve been a bit busy lately, so I’m slower at posting questions and providing feedback on scores. But no matter how busy or late it gets, I will still post and respond to everyone. Thank you all for your continued support!