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Free download in PDF Automobile Engineering MCQs & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
81
Two of the three connecting rod bearing loads that increase as engine speeds increase are
[A]
Centrifugal and inertia loads
[B]
Torsional and pressure loads
[C]
Pressure and inertia loads
[D]
Pressure and centrifugal loads
Answer: Centrifugal and inertia loads
82
The central part of the axle beam is offset downwards to
[A]
Give improved resistance to end thrusts during cornering
[B]
Give better bending strength
[C]
Give improved torsional strength during brake application
[D]
Clear the engine sump and lower vehicle centre of gravity
Answer: Clear the engine sump and lower vehicle centre of gravity
83
X – member of a car frame ensures improved
[A]
Resistance to side force due to transverse wind load
[B]
Resistance of weaving and torsional strength of front end of frame
[C]
Bending strength of side members
[D]
Resistance to vertical shock loads acting simultaneously on both front wheels
Answer: Resistance to side force due to transverse wind load
84
The engine is usually supported by the frame
[A]
Four or five
[B]
One or two
[C]
Three or four
[D]
One or two
85
Parts of the shock absorber include
[A]
Valves
[B]
Pistons
[C]
Coupler
[D]
Valve springs
86
The unsprung mass in a vehicle system is mainly composed of
[A]
The frame assembly
[B]
Gear box and propeller shaft
[C]
Axle and the parts attached to it
[D]
Engine and associated parts
Answer: Axle and the parts attached to it
87
The crankshafts are usually forged to get
[A]
Minimum friction effects
[B]
A good mechanical design
[C]
Good grain structure
[D]
Improved corrosion structure
Answer: A good mechanical design
88
The substance added to the oil which helps to keep the engine clean is called
[A]
Detergent
[B]
Soap
[C]
Thickening agent
[D]
Grease
89
The pipes used in diesel engines from pump to nozzle is made up of
[A]
PVC
[B]
Rubber
[C]
Steel
[D]
Copper
90
As the battery is discharged, the active materials in both negative and positive plates are changed to
[A]
Lead sulphate
[B]
Lead oxide
[C]
Sulphuric acid
[D]
Spongy lead
91
The automobile chassis consists of the engine, frame, power train, wheels, steering and …………..
[A]
Braking system
[B]
Wind shield
[C]
The doors
[D]
Luggage boot
92
The rear end suspension arrangement in which rear end torque is absorbed by the spring is called the
[A]
Torque tube drive
[B]
Hotchkiss drive
[C]
Hooks drive
[D]
Differential drive
93
On rebound, in the direct acting shock absorber, fluid flows out of the upper part of the cylinder and also ………..
[A]
Out of the reservoir
[B]
Into the dust shield
[C]
Out of the dust shield
[D]
Into the reservoir
Answer: Out of the reservoir
94
The weight or pressure required to deflect a spring in mm is called the spring
[A]
Rate
[B]
Rebound
[C]
Weight
[D]
Deflection
95
Leaf spring for vehicles are nipped to
[A]
Ensure that all leaves are uniformly stressed during loading
[B]
Improve the load carrying capacity of spring
[C]
To increase the interleaf friction
[D]
To vary the effective length of the spring
Answer: Ensure that all leaves are uniformly stressed during loading
96
The device that permits variation in the distance between the spring eyes of a leaf spring as the spring flexes is called
[A]
Spring shackle
[B]
Spring leaf
[C]
Spring U – bolt
[D]
Spring hanger
97
When the direct acting shock absorber is compressed or telescoped fluid passes through the piston orifices into the upper part of the cylinder and also
[A]
Into the reservoir
[B]
Out of the reservoir
[C]
Out of the dust shield
[D]
Into the dust shield
Answer: Into the reservoir
98
The clips placed at intervals along some leaf spring to prevent spring leaf separation on rebound, are called
[A]
Rebound clips
[B]
Relief clips
[C]
Separation clips
[D]
Interval clips
99
In a vehicle with torque tube drive, the rear suspension spring
[A]
Takes up driving thrust and torque reaction
[B]
Supports load and takes up end thrust
[C]
Takes up braking thrust and torque reaction
[D]
Takes up end thrust and torque reaction
Answer: Supports load and takes up end thrust
100
With a leaf spring type of suspension, interference between steering and suspension system can be reduced to minimum when
[A]
Front end of the spring is pin joined and the rear end is shackled
[B]
Front end of the spring is shackled and rear end is pin jointed
[C]
Both end of the spring are shackled
[D]
Both ends of the springs are pin jointed
Answer: Front end of the spring is shackled and rear end is pin jointed
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