Mechanical Engineering

Question: Incorrect steering axis inclination (S.A.I.) causes
[A].

tendency to assume toe-out orientation

[B].

generation of a braking effect at tight corners

[C].

poor recovery of the steering wheel after making a turn

[D].

the vehicle to pull to the side of lesser inclination

Answer: Option C

Explanation:

No answer description available for this question.

Question: The caster is called positive when the top of the king pin is inclined to the
[A].

rear of the vehicle

[B].

front of the vehicle

[C].

left of the vehicle

[D].

right of the vehicle

Answer: Option A

Explanation:

No answer description available for this question.

Question: The basic purpose of providing caster angle on wheels is to
[A].

prevent uneven tyre wear

[B].

maintain directional control

[C].

bring the road contact of the tyre under the point of load

[D].

compensate for wear in the steering linkage

Answer: Option B

Explanation:

No answer description available for this question.

Question: Caster is a
[A].

forward tilt of the kingpin

[B].

backward tilt of the kingpin

[C].

either ‘a’ or ‘b’

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: If a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is
[A].

175

[B].

65

[C].

14

[D].

82

Answer: Option B

Explanation:

No answer description available for this question.

Question: The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of
[A].

section width to section height

[B].

section height to section width

[C].

wheel diameter to section height

[D].

wheel diameter to section width

Answer: Option B

Explanation:

No answer description available for this question.

Question: In comparison with a radial tyre, one advantage of a bias-ply tyre is
[A].

longer life

[B].

lower rolling resistance

[C].

smoother ride at low speeds

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: The basic purpose of tyre rotation on automobiles is to
[A].

avoid ply separation

[B].

equalize wear

[C].

get better ride

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: An over-inflated tyre will wear the tread most near the
[A].

edges

[B].

corners

[C].

centre

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: An under-inflated tyre will wear the tread most
[A].

near the centre

[B].

near the edges

[C].

in the lateral direction

[D].

in the cross direction

Answer: Option B

Explanation:

No answer description available for this question.