Exam. 1-A

Automotive Design

1st semester 1428-1429

Student Name:

Student No. 101-      -

 

1- A) Define the following عرف التالي:

a- Allowable stress:

 

b- Safety factor:

c- Ultimate strength of material (σu):

 

d- Coefficient of friction (m):

 

e- Second moment of area (I):

 

1- B) Complete the following table أكمل الجدول التالي

Friction clutch

1

2

3

Types:

 

 

 

 

Usage in the car:

 

 

 

 

Advantages:

 

 

 

 

 

1- C) What is the functions of the automobile clutch? (ما وظيفة قابض السيارة؟)

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-

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D) Find Ix for the beam shown, where all dimensions in cm and t is constant and = 1 cm :

 

 

 

 

 

 

 

 

 

 

 

4- A) Find the stresses on the half axle due to loads shown below أوجد الإجهادات في المحور:

 

 

 

 

 

 

 

 

 

 


Load

Type of stress on the shaft at ‘A’

Equation

 

 

W

Wheel load

 

Bending

 

Shear

 

 

 

F

Side force

 

Tension

 

Bending

 

 

T

Torque

Torsion

 

 

B) Find the force on the ball bearing at ‘A’ (radial load) due to W only.