263
3.Hozirgi vaqtda temperaturani necha xil o‟lchov
shkalasi mavjud ;
!A) 2 xil; V) 3 xil; S) 4 xil; D) 1 xil; Ye) 5 xil.
4. Ishlab chiqarish sarf o‟lchagichlarning necha turi ishlatiladi?
A) 3 ta; !V) 4 ta; S) 5 ta; D) 2 ta; Ye) 6 ta.
5. Absolyut va ortiqcha bosimni qaysi asbob o‟lchaydi:
A) Barometr; V) Manometr; S) Vakuummetr;
D) Monovakuummetr; Ye) Naporometr.
6. Elektr qarshiligining termik koeffisienti:
A) R
Q
= R
O
[1+
m
(
-
0
)] ; !B)
m
= R
Q
–R
O
/R
O
(
-
0
);
C)
Q
=V
O
(1+
); D)
=V
O
- V
O
; E) R
O
(T)=R
T
R
sh
/R
T
+R
Sh
.
7. Quyidagi ifodalarning qaysi birlari oqimning siqilish koeffisienti formulalari?
1.
=S
2
/S
0
; 2. v
1
S
1
=v
2
S
2
; 3. S
0
=
d
2
/4; 4. S
1
=
D
2
/4;
5. M=(d/D)
2
;
6.
=
/
2
2
m
1
; 7. Q
v
=S
2
O
2
;
A)1, 3, 6; V) 2, 4, 7; S) 5, 6, 7; D) 5, 6; !E)1, 5.
8. Quyidagi ifodalarning qaysi birilari gazlar uchun sarfnihisoblash formulasi?
/
2
S
q
.
1
0
v
;
2
S
q
.
2
0
m
;
2
S
q
.
3
0
m
;
/
2
S
q
.
4
0
v
;
2
2
m
1
/
.
5
;
m
v
v
.
6
2
1
.
A) 1, 3 ; !V) 2, 4 ; S) 5, 6; D) 1, 3, 5; Ye) 2, 4, 6.
9. Avtomatik rostlash sistemasi (ARS) deb:
A) Roslovchi parametrning o‟zgarmas bo‟lishini ta‟minlaydigan qurilma.
V)Roslovchi parametrning berilgan qonunga muvofiq o‟zgarishini ta‟minlaydigan qurilmaga.
!S)Roslovchi parametrning o‟zgarmas bo‟lishini yoki berilgan qonunga muvofiq o‟zgarishini
ta‟minlaydigan qurilma.
D)Texnologik jarayonni o‟zgarmas bo‟lishini ta‟minlaydigan sistema .
Ye) Texnologik jarayonni berilgan qonunga muvofiq o‟zgarishini ta‟minlaydigan sistema.
10.
Ushbu rasmda avtomatika X
k
X
12
elementlari qanday ulangan?
A) ketma-ket;
X
k
X
k
X
22
X
2
!V) paralel;
S) teskari bog‟lanish;
D) aralash; . . . . . . . . . . . . . .
Ye) A – D javoblar ichida
to‟g‟ri javob yo‟q. X
k
X
n2
11. Ushbu ifodalarning qaysi biri paralel ulangan elementlarning
ekvivalent signal uzatish
koeffisienti?
!A)
n
1
1
k
К
i
; V)
n
1
1
k
К
i
; S) K=k
1
/(1
k
1
k
2
);
D) X
r
= K∙X
k
Ye) A-D javoblar ichida to‟g‟ri javob yo‟q.
2
1
n
265
17. ARS ning xarakteristik tenglamasi 3-tartibli bo‟lsa
(Q
0
P
3
+Q
1
P
2
+Q
2
P + Q
3
=0) sistemaning turg‟unligi uchun:
!A) Q
0
0, Q
1
0, Q
2
0 , Q
3
0 va Q
1
Q
2
- Q
0
Q
3
0;
V) Q
0
<0, Q
1
<0, Q
2
<0 , Q
3
<0 va Q
1
Q
2
- Q
0
Q
3
0;
D) Q
0
<0, Q
1
<0, Q
2
<0 , Q
3
<0 va Q
1
Q
2
- Q
0
Q
3
<0;
S) Q
0
0, Q
1
0, Q
2
0 , Q
3
0 va Q
1
Q
2
- Q
0
Q
3
<0;
Ye) Q
0
0, Q
1
0, Q
2
0 , Q
3
0 va Q
1
Q
2
- Q
0
Q
3
=0 bo‟lishi zarur va yetarli.
18. Regulyatorning roslash qonunlari necha guruhga bo‟linadi?
A) 3 ta;
V) 4 ta;
!S) 5 ta;
D) 6 ta;
Ye) 7 ta.
19. PI-regulyator qanday qonunga muvofiq ishlaydigan regulyator?
A)
proporsionallik;
V) integrallash;
S)
uzliksiz;
D) diferensiallash;
!E) proporsionallikhamda integrallash.
20. Quyidagi rasmlarning qaysi birida sistemaga ta‟sir qiluvchi garmonik signal to‟g‟ri ko‟rsatilgan?
A) a;
V) b;
!S) v; D) g;
E) d.
21. Inersiyasiz zvenoning signal uzatish funksiyasi quyidagi ifodalarning qaysi birida to‟g‟ri
keltirilgan?
!A)
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