C a u 156: Trong may phat dien .j,,. ,t
A . phan cam la bo phan d u n g yen, phan l i n g la bo phan chuyen dong. B. phan cam la bo phan chuyen dong, phan ling la bo phan dirng yen. B. phan cam la bo phan chuyen dong, phan ling la bo phan dirng yen. C. ca phan cam va phan u n g co the cung d i i n g yen, hoac cung chuyen dong,
n h u n g bo gop dien thi nhat djnh phai chuyen dong.
D. tuy thuoc cau tao cua may, phan cam cung n h u phan l i n g co the la bo phan d i i n g yen hoac la bo phan chuyen dong.
C a u 157: M o t nha may cong nghiep d u n g dien nang de chay cac dgng cọ He so cong suát ciia nha may do Nha nuoc quy d j n h phai Ion han 0,85 nham muc dich chinh la de
A . nha may san xuát nhieu dung cụ
B. dong C O chay ben hon. , ' ' "'' C. nha may sii d u n g nhieu dien nang. ' D. bot hao p h i dien nang tren d u o n g day dan dien den nha maỵ
C a u 158: M o t n h a m a y c o n g n g h i e p d i i n g d i e n n a n g d e c h a y cac d o n g cọ H o so c o n g suat c u a n h a m a y d o N h a n u o c q u y d j n h p h a i I o n h o n 0,85 nhan-, m u c d i c h c h i n h la d e A . n h a m a y san x u a t n h i e u d u n g c u . B. d p n g CO c h a y b e n h a n . . , f ; ; K - v i r , > ••^•^y• ; ' •; C. n h a m a y sir d u n g n h i e u d i e n n a n g . D . b a t h a o p h i d i e n n a n g tren d u o n g d a y d a n d i e n d e n n h a m a y . C a u 159: T a g o i d o n g c a sif d u n g tir t r u o n g q u a y la k h o n g d o n g b e v i A . r o t o q u a y k h o n g d o n g d e u k h i n h a n h k h i c h a m .
B. r o t o q u a y v o i tan so n h o h a n tan so q u a y cua t u t r u a n g . - . V , C. r o t o q u a y v a i t a n so I a n h o n tan so q u a y c u a t u t r u a n g . ^ ^ ^ C. r o t o q u a y v a i t a n so I a n h o n tan so q u a y c u a t u t r u a n g . ^ ^ ^ D . r o t o q u a y n g u g c chieu q u a y cua t u t r u a n g . , - . , f , , , Cau 160: T r o n g d o n g c o k h o n g d o n g b o ba p h a , n h a n d j n h n a o sau d a y 1^ d u n g ? A . K h i b o a t d o n g d j n h m u c t h i roto l u o n k i o n q u a y d e u . B. T o e d o g o c c u a r o t o b a n g tan so g o c ciia t u t r u o n g q u a y .
C. R o t o k h o n g q u a y d e u , toe d o goc t r u n g b i n h n h o h a n t a n so goc cua tu t r u a n g q u a y . n ' ^ n "']-^: ' • ' - t )
D . T o e d o g o c CO t h e I a n h a n h a y n h o h o n m o t each b a t k i , p l i u t h u o c vac c o n g suat cua d o n g CỌ .ị:;Hhi)iii u y u yytnuc ^inx} fimt;^ c o n g suat cua d o n g CỌ .ị:;Hhi)iii u y u yytnuc ^inx} fimt;^
Cau 161: D o n g c a n a o t r o n g cac t h i e t b j sau d a y la d o n g c o k h o n g d o n g b o ?
A . xe d i e n . B. m o t o c u a d a u d i a D V D . C. q u a t d i e n g i a d i n h . D . tau d i e n . C. q u a t d i e n g i a d i n h . D . tau d i e n .
T r o n g m a c h d i e n x o a y chieu ba pha, t a i m a c h i n h sao, k h i m p t pha t i e u thu d i e n b i c h a p t h i c u o n g d o d o n g d i e n t r o n g hai p h a e o n lai ' Rnoíf :t»c; A . d e u t a n g l e n . ' i B. d e u k h o n g t h a y d o i . i q C. p h a n a o eo t o n g t r a n h o h o n t h i c u o n g d o d o n g d i e n t a n g ! e n v a nguoi^ D . d e u g i a m x u o n g . Cau 162: T r o n g m a n g d i e n 3 p h a t a i d o i x u n g , k h i c u o n g d o d c n g d i e n qi^''^ m o t p h a la c u e d a i t h i d o n g d i e n q u a h a i p h a k i a n h u t h e naỏ A . C o c u a n g d o b a n g 1/3 c u o n g d o cue d a i , c u n g chieu v o i d o n g t r e n . B. C o c u a n g d o b S n g 1/2 e u a n g d p cue d a i , c u n g c h i e u v o i d o n g t r e n . C. C o c u o n g d o b a n g 1/3 c u o n g d o c u e d a i , n g u o e chieu v o i d o n g t r e n . D . C o c u o n g d p b a n g 1/2 c u o n g d p c u e d a i , n g u p c chieu v a i d o n g t r e n .
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Cty TNIIH nrv DVVHKhang Vift
au 163: V i e c tao ra d o n g d i e n x o a y chieu 3 p h a co u u d i e m n a o t r o n g so cac
dac d i e m sau h o n h a n d o n g x o a y chieu 1 p h a .
A . T i e t k i e m d u o n g d a y t r o n g k h i tai d i e n . - i A rr-..%.«?i t-'f.-v'.-t J u B. K h o n g c a n bp g o p k h i chétao may p h a t d i e n . O c rrir.! o > i j -.(fi • . ' B. K h o n g c a n bp g o p k h i chétao may p h a t d i e n . O c rrir.! o > i j -.(fi • . '
C. T a o dupe tu truong quaỵ mki e,> mm (tou > xx
