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Robert Bosch Placement paper Set 2

Posted on :21-03-2016
Q1. A ball dropped from H height and moves 80% of height each time. Total distance covered 

a) 4H 
b) 5H 
c) 7H 
d) 9H 


Q2. A cantilever beam loaded at free end find reinforcement place 

a) AT neutral axis 
b) above neutral axis 
c) below neutral axis 
d) above and below neutral axis 


Q3. punching a sheet of D diameter and T thickness and S ultimate tensile stress 

a) 3.14 DTS 
b) 3.14TS X D^2 
c) 6.28 DTS 
d) 6.28 TS x D^2 


Q4. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?) 


Q5. The relationship b/w Gain & Bandwidth? 

a) Independent of each other 
b) Gain decreases as bandwidth decreases 
c) Gain increases as bandwidth increases till some extent after which stability decreases 


Q6. In “ON CHIP” decoding memory can be decoded to 

a) 2^n 
b) 2^n +1 
c) 2^n -1
d) some other choice 

ANS:


Q7. For a 4 bit succe D/A with 16v o/p the resolution is 

a) 10v 
b) 1v 
c) 1.6v 
d) 16v 

ANS: b 


Q8. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in w 

a) 550 
b) 500 
c) 600 
d) Data insufficient 

ANS: b 

Q9. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit? 


Q10. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is 


Q11. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T) 

ANS: –c i= (Vs/R)exp(-t/ T) 


Q12. SCR s are connected in series to get 

a) high current rating 
b) voltage regulation 
c) high v rating 
d) some other 

ANS: c 


Q13. Which one of the following is used for high speed power application? 

a) BJT 
b) MOSFET 
c) IGBT 
d) TRIAC 


Q14. One question related with SCR timing dia 

Q15. SCR is used for 

a) To achieve optimum (or maximum …not sure) dv/dt 
b) For high current ratings 
c) To achieve high voltage 
d) Some other choice 


Q16. State in which o/p collector current of transistor remains constant in spite of increase in base current is
 
a) Q point 
b) Saturation 
c) Cut off 


Q17. What is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf. 

a) 20.5 MHz 
b) 2.65 KHz 
c) 20.5 KHz 
d) none 


Q18. for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritary 

a) 3.076mA 
b) 3.76mA 

Q19. Two ques on control system like the system will be stable when the roots are 

a) real & +ve 
b) real & -ve 

Q20. The ques on Niquest plot 

Q21. 0ne ques on root locus 

Q22. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate 

Q23. Question related with serial in parallel out shift register…What is output sequence? 

ANS: 1010 


Q24. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f? 


Q25. What is the output?

#define A 10+10 
main () 
int a; 
a=A*A; 
); 


Q26. What is the output?

main(){ 
int n=0; 
while(n>32767) 
pf(“%d”,n); 
n++ 

Q27.

if (fun ()) 
X++; 
X gets incremented if and only if 

a) fun () returns 0 
b) fun () return 1 
c) fun () return -1 
d) return a value other than 0 

ANS:


Q28.  In dynamic memory 

a) Power dissipation is less than that of static memory 
b) Clock is needed 
c) Refreshing is required 
d) All the above 


Q29.  Short, int and long integers have how many bytes? 

a) 2,2,4 
b) Machine dependant 
c) 2,4,8 
d) Some other choice 

ANS: b 


Q30.  A (n) is ———–filter combination of 

a) Passive 
b) Active 
c) AMPLIFIER 
d) BOOSTER 

Q31.  According to ohms law the current density is proportional to 

a) current 
b) di/ds 
c) applied emf 


Q32.  Two more question on gravity ie body is projected then find the time of fall and 81 Structure comparison is done 


Q33. The system in which communication occurs in both ways but not simultaneously in both ways is 


Q34. What is the output?

main () 
int a=5, b=6; 
int i=0; 
i=a>b? a:b; 
printf (“%d”, i); 

a) 0 
b) 1 
c) 6 
d) 5 

Q35.  

int fun (char c) 
int i; 
static int y ;} 

a) c, i are stored in stack and y stored in data segment 
b) c stored in stack and i,y are stored in data segment 
c) c is stored in text segment, y in data and i in stack 


Q36. How would you insert pre-written code into a current program?
 
a) #read 
b) #get 
c) #include 
d) #pre 

ANS: c 


Q37. Structure may contain 

a) any other structure 
b) any other structure expect themselves 
c) any other structure except themselves and pointed to themselves 
d) none of the above
 

Q38. One ques from pointer declaration 

Section II (Aptitude) 

Q39. If a>4,b<-1 then which of the following is true 

a) 2a+b<0 
b) 4a<3b 
c) a>4b 
d) None of the above


Q40. In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the games 


Q41. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30 women work together 


Q42. Find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24 feet 


Q43. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true 


Q44.  Sum of squares of two numbers is 404 and sum of two numbers is 22.Thenbproduct of two Numbers? 


Q45. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in w


Q46. State in which o/p collector current of transistor remains constant in spite of increase in base current is

  
   






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