
北区高端产品竞赛
Quiz
•
Chemistry
•
1st Grade
•
Hard

Ling Xu
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
1. Tellus S3 VE的性能优势包括:
A. 卓越的低温冷启动性能
B. 剪切稳定性好,粘度稳定,保证高压油泵的稳定润滑
C. 采用GTL基础油,TOST寿命长
D. 表面性能好(抗泡/空气释放等),提升液压系统工作效率
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
2. 以下关于导热油S4 XC和S2 XC的描述,正确的是:
A. S4 XC的闪点、自燃点高,因此最高使用的油体温度可达320℃,高于S2 XC的300℃
B. S4 XC的挥发损失小于S2 XC
C. S4 XC相比S2热稳定性好,不容易造成系统结焦
D. S4 XC具有更高的比热容和导热系数,传热效率高
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
3. Tonna S3 M 作为一款多用途产品,不能满足以下哪项规格认证?
A. ISO CKC(中负荷齿轮油)
B. ISO HM(抗磨液压油)
C. ISO HG(液压导轨油)
D. ISO TSA(A级汽轮机油)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
4. 工程机械液压系统的油温和压力范围一般在什么范围?
A. <60℃,13.7~31.4MPa
B. 80~100℃,20.6~41.2MPa
C. 80~100℃,13.7~31.4MPa
D. <60℃,20.6~41.2MPa
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
5. 佳度S5 V100 2的最低使用温度是?
A. -50℃
B. -40℃
C. -30℃
D. -20℃
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
6. 关于佳度S3 V220C 2和佳度S2 V220 2的差异,以下描述正确的是?
A. S3采用全合成基础油,S2采用矿物基础油
B. S3采用复合锂皂基,S2采用普通锂皂基
C. S3和S2均采用矿物基础油
D. S3相比S2具有明显更加优异的低温性能
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
7. 以下哪些属于化工行业的主要合成油应用点?
A. 罗茨风机
B. 反应釜搅拌减速机
C. 立磨减速机及轴承
D. 隔膜泵曲轴箱及齿轮箱
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