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德尔福面经

(2009-05-13 12:47:35)
标签:

德尔福

面经

校园

分类: 名企面经

公司介绍
  德尔福公司原为通用汽车公司的零部件子公司。1999年5月28日,德尔福正式与通用汽车公司分离,成为一家完全独立的、公开在纽约证券交易所上市的公司。独立后的德尔福财富全球500强最新排名为第166位,是全球规模最大的汽车零部件供应商。德尔福公司的总部位于美国密歇根州特洛伊市,并在法国巴黎、日本东京、巴西圣保罗设有地区性总部。德尔福全球现约有18万4千名员工,在全球40个国家有167个独资制造企业,42个合资企业,53个客户服务中心和营业处,及33个技术中心。2004年德尔福全球销售额突破了287亿美元,位居全球汽车零部件行业领先地位。

德尔福中国

  德尔福1993年进入中国,并立足在中国长期发展。目前,德尔福在华企业的投资已超过5亿美元,设有十四家合资和独资企业,包括一家控股公司、一家全球研发中心、一家技术服务中心、一家贸易公司和十家制造型企业,在华员工总数超过8000人。德尔福的在华正式运营的企业都已通过ISO9001和QS9000质量认证。
  德尔福遵循积极引进先进技术实现本地化的原则,向中国的汽车工业提供广泛多样的产品和系统。目前在中国生产和销售的40多个系列产品中包括:动力总成系统、电子/电气系统、电子系统、安全系统、转向系统、热交换系统等。这些产品大都实现了本地化生产。

德尔福新进员工培训计划

  对于没有工作背景的“新人”,在他们最初的两个星期内,德尔福会安排超过100个小时的“入职培训”,内容包括公司文化、产品、业务的介绍,帮助他们尽快融入公司。
  对于汽车行业的工作,德尔福的另外一个特点,就是“师傅带徒弟”。在新人进入公司之后,德尔福会安排他跟随经验丰富的员工进行工作,基本是一对一,随时解决他工作中的难题。
  新员工在德尔福都有三个月试用期,我们每个月会对他的工作进行考核,如果第一个月的考核结果不理想,会对他进行提醒和建议,第二个月也是如此,到了第三个月之后,如果还没有什么起色,那就只能离开了。

德尔福上海研究院薪酬,2007-10

最新整理,汽车行业待遇详细统计,面试前要必备的宝典。下面情况仅限于小硕的入门工资:
上汽研究院 3500
同济同捷 4000
延峰伟世通 3500(基本工资)+2500(效益工资)+年终奖
北汽福田:2200+提供住宿
北京吉普:2500+提供住宿
北京现代:2800
比亚迪:4000+提供住宿
奥杰科技(苏州):4000
德尔福上海研究院:5000(基本工资)+其余不详
泛亚:七万--八万/一年
一汽大众:4000+提供住
上海汇众:3500
HOLLEYWELL上海研发中心:5000(基本工资)
武汉神龙汽车:3000
三一重工上海研究院:5000--5500
长安福特:小硕<3000/月,无住房!
郑州宇通客车硕士:每月3000+年终奖(2000) ,本科:每月1500, 博士:10万
南汽大概本科2000
上汽奇瑞本科月薪1500(转正后)+住房(个人补贴30元/月)+年终奖 试用期1200见习期一年。

德尔福笔试

卷子好象共有三种,电子,机械和软件,我们这个教室学自动化的全做的是Mechanical Engineering的,可完了听系上在另外一个教室的同学说他们做的5a880faf6f©应届生求职网YingJieSheng.COM©c350ade2a4是软件的,看来不完全对口的做什么就没准了……到清华应该会换题的,只是给大家看看方向做个参考:
1,Briefly describe what is blanking(cutting),forming,coining and embossing in stamping process.
2,What is metal clading? 3,What is the purpose of adding glass fiber to thermoplastic material?
4,In contrast with metal and thermoplastic material,which has a higher coefficient of thermal expansion(CTE).
5,The most suitable material for a integral hinge design(typical plastic thickness=0.25 to 0.5mm at hinge)
6,Can a bending load makes both compressive and tensile stress in a member?
7,What is the design criteria used in plastics catch/snap?
8,What is FEA?
9,Why is natural frequency important in vibration analysis?
10,What is the deflection equation of a cantilever beam fixed at one edge?
考软件的同学说是一些汇编,单片机,C,等等,对于我们专业来说还要更对口更简单些
全英文笔试题
 德尔福集团是全球最大的汽车系统和零部件生产制造商, 为客户提供品种齐全的汽车系统, 零部件和模块。今天成电的就业办老师介绍说,德尔福是汽车界的华为,从来不在媒体上打广告。大家看看从美国空运过来的笔试题目。
1、Name 3 Vehicle Buses.
2、Name 2 possible sources of Electromagnetic interference on Electronics Circuit ASM.
3、Wavelength for 12MHz frequency signal is____
4、Name 2 important considerations for car radio performance related to audio signal processing under multipath condition?
5、What is the typical FM receiver RF signal strength to achieve 30dB S/N for car radio?
6、When a radio is tuned to 98.1 MHz & with a LO of 108.8 MHz, what is the image frequency?
7、For a system with a matched impedance, what is the Reflection Coefficient and SWR?
8、Which property of the output capacitor is the primary cause of Low Drop Out (LDO) regulator loop instability?
a) Equivalent series resistance(ESR)
b) Effective series inductance(ESL)
c) Capacitance value
d) Dielectric material
9、The switching regulator is capable of:
a) Higher power conversion efficiency
b) Providing an output voltage that is higher than the input
c) Generating an output boltage oppsite in polarity to the input
d) All of the above
10、A linear regulator op*(没抄清楚)
Vin(max)=10v,Vout(min)=4.8v,Iout(max)=2.5mA,Iq(max)=2.5mA,Ta(max)=8.5摄氏度,The regulator is available in 3 packages.Each package has the following thermal characteristics:
Package Rja(摄食度/W) Rjc(摄食度/W)
TO220 50 35
SO14 125 30
D1P8 100 52
Choose the most suitable package to handle the power dissipation requirement without a heat sink and why.
 德尔福机械类试题:
1,Briefly describe what is blanking(cutting),forming,coining and embossing in stamping process.
2,What is metal clading?
3,What is the purpose of adding glass fiber to thermoplastic material?
4,In contrast with metal and thermoplastic material,which has a higher coefficient of thermal expansion(CTE).
5,The most suitable material for a integral hinge design(typical plastic thickness=0.25 to 0.5mm at hinge)
6,Can a bending load makes both compressive and tensile stress in a member?
7,What is the design criteria used in plastics catch/snap?
8,What is FEA?
9,Why is natural frequency important in vibration analysis?
10,What is the deflection equation of a cantilever beam fixed at one edge?
德尔福软件方向的笔试题
1.How do you code an infinite loop in C?
2. Volatile:
a) What does the keyword volatile mean? Give an example
b) Can a parameter be both const and volatile? Give an example
c) Can a pointer be volatile? Give an example
3. What are the values of a, b, and c after the following instructions:
int a=5, b=7, c;
c = a+++b;
4, What do the following declarations mean?
a) const int a;
b) int const a;
c) const int *a;
d) int * const a;
e) int const * a const;
5. Which of the following statements describe the use of the keyword static?
a) Within the body of a function: A static variable maintains its value between function revocations
b) Within a module: A static variable is accessible by all functions within that module
c) Within a module: A static function can only be called by other functions within that module
6. Embedded systems always require the user to manipulate bits in registers or variables. Given an integer variable a, write two code fragments.
The first should set bit 5 of a. The second shnuld clear bit 5 of a. In both cases, the remaining bits should be unmodified.
7. What does the following function return?
char foo(void)
{
unsigned int a = 6;
iht b = -20;
char c;
(a+b > 6) ? (c=1): (c=0);
return c;
}
8. What values are printed when the following C program is executed?
int i = 8;
void main(void)
(
9. What will be the output of the following C code?
main()
{
int k, num= 30;
k =(num > 5 ? (num <=10 ? 100:200): 500);
printf("%d", k);
}
10. What will the following C code do?
int *ptr;
ptr =(int *)Ox67a9;
ptr = Oxaa55;
11. What will be the output of the follow C code?
define product(x) (x*x)
main()
{
int i = 3, j, k;
j = product(i++);
k = product(++i);
printf("%d %d",j,k);
}
12. Simplify the following Boolean expression!((i ==12) || (j > 15))
13. How many flip-flop circuits are needed to divide by 16?
14. Provides 3 properties that make an OS, a RTOS?
15. What is pre-emption?
16. Assume the BC register value is 8538H, and the DE register value is 62A5H.Find the value of register BC after the following assembly operations:
MOV A,C
SUB E
MOV C,A
MOV A,B
SBB D
MOV B,A
17.In the Assembly code shown below
LOOP: MVI C,78H
DCR C
JNZ LOOP
HLT
How many times is the DCR C Operation executed?
18.Describe the most efficient way(in term of execution time and code size) to divide a number by 4 in assembly language
19.what value is stored in m in the following assembly language code fragment if n=7?
LDAA #n
LABEL1: CMPA #5
BHI L3
BEQ L2
DECA
BRA L1
LABEL2: CLRA
LABEL3: STAA #m
20. What is the state of a process if a resource is not available?
define a 365*24*60*60
21. Using the #define statement, how would you declare a manifest constant that returns the number of seconds in a year? Disregard leap years in your answer.
22. Interrupts are an important part of embedded systems. Consequently, many compiler vendors offer an extension to standard C to support interrupts.Typically, the keyword is __interrupt. The followingroutine (ISR). Point out problems in the code.__interrupt double compute_area (double radius)
{
double area = PI * radius * radius;
printf("\nArea = %f", area);
return area;

德尔福笔试心得

在作德尔福的笔试卷子时,我就是因为专业问题要用英语回答而提前离场的,而坚持到最后的师兄终于获得了offer。专业知识准备更加复杂,对于研发技术岗的笔试要求都比较高,我在这个方面基本没有准备,自信的认为自己凭借先前的积累可以应付一二,哪知第一次笔试后彻底失去信心,于是打算复习模电数电和其他知识。然而,模拟电路直到考完所有笔试后才勉强看完一遍,而此时前面看过的早已忘记,这也是我准备过的唯一的专业知识,其他的到现在也没有开始。对于这些笔试,细节很重要,即便你每天都在使用,但是却不一定能够答题,因此,提前一段时间复习一遍才能轻松的应付笔试,避免首轮就被淘汰。对于笔试中的逻辑测试和智力测试,本来于我们而言都不是什么问题,但是却有熟练程度的差别,像威盛那道猫捉老鼠的题我想了整个考试时间的三分之一,而如果知道思路的话却用不了两分钟。这些东西不需要特别的准备,因为你也不知道他究竟会出现什么类型,但是却又不能过于大意,我最初也不以为然,但每次考完的差距却让自己不得不多加训练,于是到网上搜索各种各样的智力测试,在饭后茶余和同学一起思考,然后找到规律,应付考试。对于一些性格测试,我始终持怀疑态度,我认为他们不在于选拔人才,而在于抽签式的过滤掉过多的应聘者,其中的规律,我始终不得而知。

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