Which part is the heart of the automobile?
A. cylinder
B. piston
C. engine
D. valve
查看答案
Which one implies the corect order of the four strokes?
A. intake, exhaust, power, and compression
B. intake, power, compression, and exhaust
C. intake, power, exhaust, and comression
D. intake, compression, power, and exhaust
Which one implies the function of an engine?
A. convert fuel into air
B. convert fuel into motion
C. convert fuel into heat
D. convert fuel into water
Torque isforce.
A. side-to-side
B. rotary
C. back-and-forth
D. up-and-down
Which component doesnt belong to ABS?
A. ECU
B. speed sensor
C. brake line
D. valve
微信支付 
支付宝支付