ASME ASME Mechanical Power Transmission

Question 1

Which ASME standard covers the design of spur and helical gears for general industrial use?

Accepted Answer

ASME B6.1

Answer

ASME B18.1

Answer

ASME B29.1

Answer

ASME B16.5

Question 2

In mechanical power transmission, what is the 'pitch circle' of a gear?

Accepted Answer

The circle passing through the teeth contact point during meshing

Answer

The outer circle defined by the tooth tips

Answer

The root circle at the base of the gear teeth

Answer

The addendum circle minus the clearance

Question 3

What is the 'diametral pitch' of a gear?

Accepted Answer

The number of teeth per inch of pitch diameter

Answer

The center-to-center distance between meshing gears

Answer

The distance between adjacent tooth flanks

Answer

The ratio of pitch circle to outside circle diameter

Question 4

For two gears to mesh correctly, which parameter must be equal for both gears?

Accepted Answer

Pressure angle and diametral pitch (or module)

Answer

Number of teeth

Answer

Face width

Answer

Addendum and root circle diameters

Question 5

In AGMA/ASME gear design, what does the 'service factor' (KS or Ko) account for?

Accepted Answer

Overloads and shock loads beyond the nominal transmitted power

Answer

The material hardness of the gear material

Answer

The duty cycle percentage over 24 hours

Answer

The gear mesh efficiency losses

Question 6

Which type of gear arrangement can transmit power between non-parallel, non-intersecting shafts?

Accepted Answer

Worm gears

Answer

Spur gears

Answer

Bevel gears

Answer

Helical gears