# Automobile Engineering Quiz Questions and Answers

This Question bank set of Automobile Engineering Interview Questions and Answers for freshers focuses on “Performance of an Automobile”. Automobile Engineering is a branch study of engineering which teaches manufacturing, designing, mechanical mechanisms as well operations of automobiles.

Automobile Engineering is an introduction to vehicle engineering which deals with motorcycles, cars, buses, trucks, etc. Automobile Engineering includes branch study of mechanical, electronic, software and safety elements.

### Automobile Engineering Practice Test: Question Set – 15

Question 1. The painting of automobiles is done to _________________

(A) Prevent rust from growing on the body

(B) Improve its external appearance

(C) Retain the characteristics of steel for long

(D) All of these

Question 2. The calorific value of petrol is about

(A) 36.5-38.5 MJ/kg

(B) 39.4-42.5 MJ/kg

(C) 42.7-43.5 MJ/kg

(D) 45.5-47 MJ/kg

Question 3. The coefficient of friction for the clutch facing is approximately?

(A) 0.1

(B) 0.4

(C) 0.8

(D) 1.2

Question 4. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be ___

(A) R

(B) 2R

(C) 4R

(D) 4R²

Question 5. The stroke of an engine is the ________________.

(A) Volume of the cylinder

(B) Length of the connecting rod

(C) Internal diameter of the cylinder

(D) Distance between T.D.C. and B.D.C.

Question 6. The braking control type traction control system (TCS) generally operates in the speed range of _________ .

(A) Less than 20 kmph

(B) Less than 40 kmph

(C) Less than 60 kmph

(D) More than 60 kmph

Question 7. The function of a first compression ring (top ring) is that it.

(A) Increases the combustion temperature

(B) Creates swirl

(C) Maintains a seal and prevents the fuel leakage

(D) Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber

Question 8. The component that connects the steering rack to the knuckles is _________________.

(A) Tie rod

(B) Sector gear

(C) Pivot

(D) Spline

Question 9. The cetane number of a Diesel fuel is a measure of ___________________

(A) Volatility

(B) Viscosity

(C) Ignition quality

(D) Delay period

Question 10. In petrol engines, during suction stroke, _________ is drawn in the cylinder.

(A) Air and fuel

(B) Only fuel

(C) Only air

(D) None of these

Question 11. The main feature of Macpherson strut suspension is that ______________________.

(A) The vertical size of the suspension can be made more compact

(B) Non vertical external forces are supported by the suspension arms

(C) The unsprung mass in lighter

(D) The assembly is slightly more complicated in design

Question 12. The capacity of a battery is usually expressed in terms of

(A) Volts

(B) Amperes

(C) Weight

(D) Ampere hours

Question 13. The most commonly used power plant in automobiles is

(A) Gas turbine

(B) I.C. engine

(C) Battery

(D) None of these

Question 14. In a square type engine

(A) Geometrical shape is square

(B) Diameter and length of piston are same

(C) Two cylinders are placed horizontal and two vertical

(D) Stroke length and cylinder bore are same