Intrebari interviu BOSCH post tehnic

1. La ce tensiune critica va incepe materia sa curga?
(a)debit
(b)tensiune maxima de curgere
(c) tensiune de incercare
(d) nici un raspuns de mai sus

2. Care este gradul maxim de libertate in spatiu?

3. What bearing will take axial and radial loads?
(a) thrust bearing
(b) deep groove
(c) taper roller
(d) roller

4. Care este volumul de apa per metru cub de aer?

(a) volum specific
(b) gravitate specifica
(c) presiune de vapori
(d) nici un raspuns de mai sus

5. Un fluid curge printr-un trunchi de con. Care este natura graficului cu viteza Vs si arie c/s?

{flow = velocity X c/s area}

(a) parabola
(b) hiperbola
(c) y=mx+c
(d) x=x.

6. Fluidul dintr-o teava nu-si schimba profilul odata cu modificarea lungimii tevii. Explica tipul de curgere.

a)Laminar
b)Turbulent
c)Profil complet dezvoltat
d)Curgere uniforma

7. Ce nu poate fi inlaturat de la aliajele de Fe, in timpul alierii?
a) Co
b) N
c) Si
d) As

8. Doua franghii ard la o rata neuniforma, timp de jumatate de ora fiecare. Ce timp nu poate fi masurat?

a) 1 H
b) 45 min
c)15 min
d)nici unul

9. Lim n->0 (1+ 1/n)^n =
a) 1
b)0
c)e
d)infinit

10. Cum se modifica vascozitatea odata cu cresterea temperaturii?

a) scade
b) creste
c) nu se modifica
d) intai scade, apoi creste

11. Care este directia de frictiune pentru rotile unei biciclete?

 a) in sensul miscarii
b) in sensul opus miscarii
c) in sesul opus miscarii din fata si vice versa
d) in sensul opus miscarii din spate si vice versa

12. Gravitatea specifica a unui fluid:

a) densitatea fluidului la 0`c / densitatea apei la o`c.

b) densitatea fluidului la 0`c / densitatea apei la T`c.
c) densitatea fluidului la T`c / densitatea apei la o`c.
d) densitatea fluidului la T`c / densitatea apei la T`c.


13. Exista 10 monede, dintre care una este defecta si doua

10 coins, 1 defected coin and 2 weighs. Find min weighs required to detect faulty coin.
a) 2
b)3
c)4
d)5

14. 9 persoane trebuie sa ajunga la un meeting la ora 10 AM, insa toti ajung la ora 9.48 AM. Fiecare persoana necesita 2 minute pentru a face cunostinta cu alta persoana. Cu cat se decaleaza ora de incepere a meetingului programat la ora 10 AM?

a) 1 H
b) 6 min
c) 2 H
d) 2 min

15. Persoana A isi termina munca in 10 ore, iar persoana B in 15 ore. Cate ore lucreaza in acelasi timp?

a) 6 h
b) 8 h
c) 10 h
d) nici un raspuns de mai sus

16. O minge cade de la inaltimea H si se misca cu 80% din inaltime de fiecare data. Car este distanta totala acoperita?

a) 4H
b) 5H
c) 7H
d) 9H

INTREBARI IN ENGLEZA

1. At what critical stress the material will start to flow?
(a)yield
(b)ultimate tensile stress
(c) proof stress
(d) none o the above

2. What is the maximum degree of freedom in space?


3. What bearing will take axial and radial loads?
(a) thrust bearing
(b) deep groove
(c) taper roller
(d) roller

4. Which is the volume of water per cubic meter of air?
(a)specific volume
(b) specific gravity
(c) vapour pressure
(d) none of above

5. A fluid is flowing through a frustum of cone. What is the nature of graph of velocity Vs. c/s area. {flow = velocity X c/s area}
(a) parabola
(b) hyperbola
(c) y=mx+c
(d) x=x.

6. Fluid in a pipe having no change in profile with change in length of pipe. Explain type of flow.
a)Laminar
b)Turbulent
c)fully developed profile
d)steady flow


7. Which can't be removed during alloying from Fe alloys?
a) co
b) N
c) Si
d) As

8.There are two ropes burning non uniformly (rate) and clock half an hour each. Which can't be clocked ?
a) 1 Hr.
b) 45 min
c)15 min
d)none

9. Lim n->0 (1+ 1/n)^n =
a) 1
b)0
c)e
d)infinity

10.Time dependent increase in length at steady temp. is called:
a) super plasticity
b) creep
c) fatigue
d) none

11. Viscosity changes with increasing temp:
a) decreases
b) increases
c) same
d) first decreases and then increases.

12. Direction of friction in bicycle tyres:
a) along motion
b) opp. motion
c) Front opp. motion and vice versa
d) rear opp. motion and vice versa

13. Specific  gravity of a fluid:
a) density of fluid at 0`c / density of water at o`c.
b) density of fluid at 0`c / density of water at T`c.
c) density of fluid at T`c / density of water at o`c.
d) density of fluid at T`c / density of water at T`c.

14. Lateral strain / longitudinal strain:
a) Poission's Ratio
b) Bulk Modulus
c) Modulus Of Elasticity
d) None

15. 10 coins, 1 defected coin and 2 weighs. Find min weighs required to detect faulty coin.
a) 2
b)3
c)4
d)5

16. 9 members in meeting scheduled at 10:00 A.M. , all reach at 9:48 A.M. . A member requires 2 min to introduce with another. Find meeting delay with scheduled time of 10:00 A.M..
a) 1 Hr.
b) 6 min
c) ...
d) At scheduled time

17. A completes job in 10 hr. and B completes in 15 hr.. Find when both work together.
a) 6 hr.
b) 8 hr
c) 10 hr
d) none

18. A ball is dropped from H height and moves 80% of height each time. Total distance covered:
a) 4H
b) 5H
c) 7H
d) 9H