Men,Sarimsaqov Zaynobiddin Asliddinovich (F. I. Sh) Qo`lda yoyli payvandlash fanidan 150 ta

99. Payvandlangan valiklarni kaysi asbob bilan tozalanadi?
A) shlak ajratuvchi bolga, metall chutka;
B) bolga, egov; C) metall chutka, zubila;
D) shlak ajratuvchi bolga, supuruvchi chutka.
100. Valikni oxirini notugri yakunlagandagi nuksonlarni aytib bering?
A) darz;
B) teshilgan joy (svish);
C) krater;
D) mayda teshiklar (porы).
101. Vertikal xolatda eritib payvandlash usullarini aytib bering?
A) yukoridan pastga va pastdan yukoriga;
B) yukoridan pastga va chapdan ungga;
C) ungdan chapga va pastdan yukoriga;
D) chapdan ungga va pastdan yukoriga.
102. Vertikal xolatda tok kuchini tanlash formulasini ayting?
A) J=K^.d;
B) J=K^.d-15%;
C) J=K^.d-20%;
D) J=K^.d+20%.
103. YOyni yonish kuchlanishini aytib bering?
A) 70 V;
B) 70 V dan yukori;
C) 36 V gacha;
D) 36 V dan yukori.
104. Transformatorning salt yurishi kuchlanishini aytib bering?
A) 60-80 V;
B) 80-100 V;
C) 36-60 V;
D) 12-36 V.
105. Dumalok sterjen atrofiga eritib koplangan valik turini ayting?
A) gorizotal;
B) vertikal;
C) tugri chizikli;
D) xalkasimon.
106. Payvandlash ulanishlarining nomlarini ayting?

A) uchma – uch, shipli, «T» xarfiga uxshash.

B) kundalang, gorizontal, «T» xarfiga uxshash.
C) uchma – uch, ketma – ket, burchakli, kundalang, «T» xarfiga uxshash.
D) «T» xarfiga uxshash, vertikal, gorizontal.

107. Elektrod markasi qanday tanlanadi?

A) metallning qalinligiga qarab.

B) tok kuchiga qarab.
C) payvandlash chokining uzunligiga qarab.
D) metallning tarkibiga qarab.

108. Valiklarni eritib yopishtirishda tebratuvchi xarakatlarning nomlarini toping.

A) zigzag, uchburchak.

B) zigzag, yarimoy.
C) speralli, sakkiz.
D) uchburchak, sakkiz, yarimoy.