A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it

A Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
B Allows the steering wheel to be turned by a greater amount when steering
C Makes the steering more responsive
D Reduces the amount of kickback for large steering angles

Correct Answer: Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion


A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
Bissoy MCQ
#Mechanical Engineering #Automobile Engineering

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The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
A whole of the mechanism in the Ackerman steering gear is on the back of the front wheels and (
B the Ackerman steering gear consists of turning pairs
C the Ackerman steering gear is most economical
D both (a) and (b)
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A $$\sin \alpha = \frac{{\text{b}}}{{\text{c}}}$$
B $$\cos \alpha = \frac{{\text{c}}}{{\text{b}}}$$
C $$\tan \alpha = \frac{{\text{c}}}{{2{\text{b}}}}$$
D $$\cot \alpha = \frac{{\text{c}}}{{2{\text{b}}}}$$
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A Five
B Six
C Seven
D Eight
If a purple fabric is on rack three and a brown fabric is on rack four , the green fabric must be on which of the following racks?
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The component that connects the steering rack to the knuckles is
A Tie rod
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D Spline
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A 12
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C 25
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A Belt driven by camshaft
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A Upper bracket
B Lower bracket
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When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel and $$\varphi $$ = Pressure angle)
A $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\cos \varphi }}{2}$$
B $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\sin \varphi }}{2}$$
C $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\cos \varphi }}{2}$$
D $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\sin \varphi }}{2}$$

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