MEng 154 lecture 5

The absolute viscosity of the fluid divided by its density expressed in the same terms of units is also called

• centistokes

• kinematic viscosity

• petroff's equation

• light petroleum oil

It improves red hardness of steel.

(a)  

Rivet holes are usually made how many times in inches larger in diameter than its nominal diameter?

• 1/32

• 1/16

• 1/10

• 1/4

The deterioration of organic coating characterized as completely:

• fritting

• checking

• rusting

• chalking

Identify:

• bench yoke vise

• tri-stand vise

• bearing puller

• trident puller

Czaud quotes for steel showing sn/su ratios, often called endurance ratio, from

• 0.23 to 0.65

• 0.63 to 0.93

• 0.34 to 0.87

• 0.34 to 0.45

The top surface joining two sides of thread in screw.

(a)  

The length of the teeth along the axial plane.

• tooth thickness

• clearance

• face width

• flank

Mirror finish has surfaces fineness of (a)   rms.

The permissible variation of the manufactured or machined dimensions is called:

(a)