Automotive Engine Design Mock Test 2

10%

Question 1 of 10

1. When the thickness of the piston head is 5mm, the thickness of the ribs is 1.6 to 2.5mm.

False

True

Question 1 of 10

Question 2 of 10

2. In the formula P_c=d_cl_c(p_b)_c, what is the unit of l_c?

N-mm

Question 2 of 10

Question 3 of 10

3. The spout is attached to which end of the connecting rod?

Shank

Big end

Wrist pin

Small end

Question 3 of 10

Question 4 of 10

4. Connecting rod is subjected to which type of force during buckling?

Axial strain

Compressive force

Shear stress

Tensile force

Question 4 of 10

Question 5 of 10

5. Find the radius of gyration when the thickness of the web is 15mm?

17.6mm

19.7mm

28.6mm

26.7mm

Question 5 of 10

Question 6 of 10

6. What is the basic function of the connecting rod?

To transmit rotary motion from the piston to the crankshaft

To transmit force from piston to crankshaft

To transmit oscillation from piston to crankshaft

To transmit force from piston to piston pin

Question 6 of 10

Question 7 of 10

7. Find the range of axial thickness of the piston ring, when b=7.5mm?

5.25 to 7.5mm

5.78 to 8.4mm

3.5 to 4mm

4.6 to 3mm

Question 7 of 10

Question 8 of 10

8. Calculate the amount of heat conducted through piston head, when C=0.05, HCV=47×10³ KJ/Kg, m=0.25 Kg/Kw/s, BP=8W?

4700KJ

4500KJ

470KJ

450KJ

Question 8 of 10

Question 9 of 10

9. What is the height of the connecting rod at the middle section when t=25mm?

125mm

225mm

95mm

150mm

Question 9 of 10

Question 10 of 10

10. Calculate the mean diameter of the piston boss for grey cast iron piston, when d_o=50mm?

30mm

60mm

50mm

70mm

Question 10 of 10