Which of the following used in modern car?
A. Rack and pin
B. Worm and roller
C. Recirculating ball and nut
D. Worm and nut
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The ratio of angle turned by steering wheel to corresponding turning angle of the stub axle is called as . . . . . . . .
A. Steering ratio
B. Movement ratio
C. Slip angle ratio
D. Thrust angle ratio
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The correct steering formula is-
A. cot ϕ − cot θ = l b
B. cot θ − cot ϕ = b 1
C. 2 cot ϕ = cot θ l
D. 2 cot θ = l cot ϕ
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Three basic types of springs used in automotive suspension systems are
A. Coil, leaf and torsion bar
B. Coil, torsion bar and air
C. Leaf, air and gas
D. All of the above
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Which one of the following statements is correct with regard to the features of doublewishbone suspension?
A. The shock absorber assembly supports vertical external forces
B. A large amount of freedom is available when setting geometry and precise settings can be made for driving comfort and steerability
C. The overall height of the suspension assembly is raised
D. None of the above
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Bouncing is a . . . . . . . . movement of the complete body
A. Horizontal
B. Vertical
C. Torsional
D. Both horizontal and vertical
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The following are the reasons for hard steering
1. Excessive castor may be there
2. Incorrect wheel alignment
3. Tyre pressure may be too high
4. Steering-gear may be adjusted too tightly
A. All are correct
B. 1, 2 & 4 are correct
C. 2, 3 & 4 are correct
D. 1, 2 & 3 are correct
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For fiat 1100 what is the value of king pin inclination?
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A damper is also known as
A. Torsion bar
B. Spring
C. Independent suspension
D. Shock absorber
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One purpose of a recirculating ball type steering gear is to reduce the
A. Operating friction
B. Operating cost
C. Toe-out during turns
D. Number of parts
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The values of wheel lock angle and the steering lock angle respectively are about
A. 46° and 43°
B. 20° and 23°
C. 23° and 20°
D. 43° and 46°
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Front wheel alignment is adjusted by altering
A. Angle of track arm
B. Length of track arm
C. Distance between king pins
D. Position of the drag link
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For jeep CJ-3 B the value of steering ratio is-
A. 14 : 5
B. 14 : 1
C. 10 : 1
D. None
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The effect of excess camber is
A. High steering alignment torque
B. Hard steering
C. Too much traction
D. Uneven tyre wear
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The angle between the wheel inclination and the path taken by the wheel is called-
A. Slip angle
B. Steering angle
C. Drum angle
D. None
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For Hindustan Ambassador Mark II, the type of steering is-
A. Worm and Roller
B. Rack and pinion
C. Cam
D. Recirculating ball
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In the direct acting shock absorber, on rebound stroke, fluid flows out of the upper part of the cylinder and also
A. Out of the dust shield
B. Into the dust shield
C. Out of the reservoir
D. Into the reservoir
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For correct steering which of the following formula is correct-
Where b = distance between the pivots of front axles.
l = wheel base.
A. Tan α = 2 l b
B. Tan α = 2 l b
C. l = 2 Tan α
D. None of these
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Front wheel of positive caster is
A. Toe-out
B. Toe-in
C. Toe-cup
D. Toe-hub
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The spring weight term used in automobile refer to
A. The weight of the part of vehicle springs
B. The weight of front, rear axle and tyres
C. The weight of the part of vehicle supported on the springs
D. The weight of the front and rear springs
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