Automobile Engineering Interview Questions
Questions Answers Views Company eMail

The permanent reduction provided by the final drive in car is a) 4:1 b) 6:1 c) 8:1 d) 10:1

Backbone, Bosch, MAHINDRA, Uniparts Group,

857

The permanent reduction provided by the final drive in heavy vehicle is a) 4:1 b) 6:1 c) 8:1 d) 10:1

Backbone, Bosch, MAHINDRA, Uniparts Group,

885

Single reduction is used in final drive when it is about a) 6:1 b) 8:1 c) 10:1 d) 12:1

Backbone, Bosch, MAHINDRA, Uniparts Group,

933

The function of Differential is a) To prevent wheel skidding b) To reduce the speed of the inner wheels during turning c) To keep the speed of all the wheels same when going straight ahead d) all of the above

Backbone, Bosch, MAHINDRA, Uniparts Group,

999

The crown wheel of the final drive is connected to a) Cage b) Spider c) Cross pin d) Axle half shaft

Backbone, Bosch, MAHINDRA, Uniparts Group,

974

In a vehicle, which is going straight ahead at N rpm, if the left wheel rotates forward at n rpm, then the resultant speed of the right wheel will be a) N+n b) N-n c) N/n d) Nn

Backbone, Bosch, MAHINDRA, Uniparts Group,

967

What is the main task of batter in an automobile?

John Deere,

552

Which mechanism is used in automobile gearing?

GM General Motors,

661

What Is Hess's Law? State its implications.

Ashok Leyland,

612

Describe Hooke's Coupling and its uses.

Ashok Leyland,

656

What is Kirchhoff's Law ?

Ashok Leyland,

590

Define Poisson's ratio.

Ashok Leyland,

586

Define Hook's law.

Ashok Leyland,

601

What is Brinell's hardness test ?

Ashok Leyland,

599

What do you understand by Newtonian Fluid? Where is it used?

Ashok Leyland,

557


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Un-Answered Questions { Automobile Engineering }

In a vehicle, which is going straight ahead at N rpm, if the left wheel rotates forward at n rpm, then the resultant speed of the right wheel will be a) N+n b) N-n c) N/n d) Nn

967


If the tractive effort is the highest for a given velocity, then the vehicle must be in a) Top gear b) Third gear c) Second gear d) First gear

1506


What is engine efficiency?

591


Explain terminal engine meltdown?

624


Define Poisson's ratio.

586






What is the allowable -ve crankcase pressure (vacuum) in the gas engine of 1.5 mw?

522


The main advantage of single plate clutch over cone clutch is a) Easier gear changing b) Less binding of contact surfaces c) Less pedal movement d) all of the above

1232


What is an injector pressure in heavy vehicles?

582


Why oil with petrol can be used in two stroke engines but not in four stroke engines (two wheelers)?

575


What is kingpin offset? State some of its application.

755


Why rear wheels are bigger in vehicles?

667


Which instrument is used for measuring high temperatures?

580


How bhp is measured?

565


What is Kirchhoff's Law ?

590


What are rolling bearings ?

625